Method and scannable temporary abutment for preparing dental prosthesis

Abstract

A method for preparing a dental prosthesis is disclosed. The method includes performing a first scan on a plurality of scannable temporary abutments including respective scannable members disposed on respective dental implants. The method includes performing a second scan on a transition prosthesis disposed on a plurality of scannable temporary abutments including respective scannable members. The method includes generating a model of the final prosthesis using computer-aided design (CAD) software based on the first scan and the second scan.

Description

Technical Field

[0001] The present disclosure relates to the field of restorative dentistry. The present disclosure relates to a method for preparing a dental prosthesis and a related scannable temporary abutment. Background Art

[0002] Edentulism or edentulism is a public health problem worldwide. Edentulism occurs due to biological disease processes such as caries, periodontal disease, trauma, and oral cancer. Edentulism is associated with a variety of comorbidities that can significantly affect an individual. With increasing life expectancy, the prevalence of this condition is likely to continue to remain high in the future. Full-arch implant prostheses have been widely used in restorative dentistry to restore the smile of edentulous and / or semi-edentulous patients.

[0003] Digital technology has been introduced into restorative dentistry to provide accurate digital implant impressions. During fixed implant restorations and prior to fabrication of prosthetic prototypes, full arch impressions can be performed using digital scanning. That is, multiple intraoral scans can be performed to determine the three-dimensional implant position and contours of a transitional prosthesis. However, superimposing multiple data sets generated by multiple scans to generate a model of a transitional prosthesis is a significant challenge. This is attributed to the lack of stable intraoral landmarks when performing the scans. Certain techniques have been described in an effort to overcome this obstacle, including the use of self-adhesive fiducial markers, scanbars, and / or surgical anchor pins.

[0004] However, the proposed technique is cumbersome. It requires a lot of intraoral scanning and intervention for the patient, as fiducial markers and / or surgical pins need to be placed, then multiple scans need to be performed to obtain a good digital image of the patient's mouth, and finally the fiducial markers and / or surgical pins need to be removed and the transitional prosthesis inserted. The self-adhesive fiducial markers are simply placed on the soft tissue without anchoring; therefore, they may move between scans, resulting in images that cannot be easily used / causing inaccuracies, forcing the dentist to re-scan and increasing the time the patient must spend in the dental chair. Since surgical pins have a reflective surface, surgical pins are not easily recognized by the scanner, thereby increasing the number of scans required to obtain a usable image. This is time consuming and uncomfortable for edentulous and / or semi-edentulous patients.

[0005] Other methods for performing intraoral scanning to generate a model of the mandible of an edentulous patient are also known. For example, Marini et al. (Journal of Photonics, 2021, 0, 1) describe a method in which a first soft tissue scan is performed using a scanning body including a long scannable screw mounted on a scanning rod, which is configured to receive the screw. After the first scan is completed, the long scannable screw and the scanning rod are removed. Then, a temporary abutment is installed, and then a transitional denture is installed and fixed to the temporary abutment with a long scannable screw, and a second scan is performed on the transitional denture. After the second scan has been performed, the scannable screw is removed and replaced with a conventional prosthetic screw, after which the patient can leave with the transitional prosthesis. Each removal and insertion of a device, such as a scanning body, a temporary abutment, and a prosthetic screw, requires intraoral intervention on the patient, which can be time-consuming, uncomfortable for the patient, and can damage the unhealed surface of the patient's soft tissue, requiring a longer healing time before the final prosthesis is provided. Summary of the invention

[0006] Therefore, there is a need for a method and apparatus for preparing dental prostheses that can mitigate, alleviate or solve existing disadvantages, provide a less time consuming and more accurate method of preparing dental prostheses while increasing patient comfort and reducing the time the patient spends in the dental chair.

[0007] A method for preparing a dental prosthesis is disclosed. The method includes arranging a plurality of temporary abutments including corresponding scannable components on corresponding dental implants. The method includes performing a first scan on the plurality of temporary abutments including corresponding scannable components. The method includes arranging a transitional prosthesis on the dental implant using the plurality of temporary abutments including corresponding scannable components. The method includes performing a second scan on the transitional prosthesis arranged on the plurality of temporary abutments including corresponding scannable components. The method includes generating a model of a final prosthesis using computer-aided design (CAD) software based on the first scan and the second scan.

[0008] A scannable temporary abutment for determining the position of a dental implant is disclosed. The scannable temporary abutment comprises a temporary abutment and a scannable member, and the scannable temporary abutment is configured to be mounted to the dental implant.

[0009] A kit is disclosed that includes a scannable member and a screw for securing the scannable member to a temporary abutment.

[0010] An advantage of the present disclosure is that the accuracy and speed of the scanning method can be increased while reducing the patient's dental chair time. By arranging a scannable temporary abutment on a dental implant, such as a temporary abutment including a scannable member, a scan can be performed on the same temporary abutment as the temporary abutment used to fix the transitional prosthesis to the dental implant. Therefore, additional fiducial markers, scan rods and / or surgical anchor pins are no longer required, and the patient's soft tissue is less stressed, thereby providing faster healing of the soft tissue. Therefore, after the scan has been performed, the additional step of replacing the fiducial markers, scan rods and / or surgical anchor pins with temporary abutments can be eliminated, thereby reducing the number of steps of the entire method. By using a scannable temporary abutment, the scannable member can be removed after the scan has been performed, and the transitional prosthesis can remain on the dental implant. This reduces the number of intraoral interventions required to prepare the dental prosthesis, and reduces any damage to the patient's soft tissue caused by installing and removing components during scanning. In addition, a scanner (e.g., a scanning device) used to perform the scan is sometimes distracted by soft tissue during edentulous and / or semi-edentulous scanning, and errors in image stitching can occur during scanning. The present disclosure can overcome this problem because the scanner can be guided by the morphology of the teeth of the transitional prosthesis, so the images can be stitched faster, with higher accuracy and less deviation. Therefore, additional scanning and / or additional post-processing of the scanned images can be reduced or no longer required, which further reduces the time required to prepare the model of the transitional prosthesis and prepare the final dental prosthesis. In addition, the use of temporary dentures in the method allows for better preparation and adaptation of the final prosthesis. The temporary dentures can be used to evaluate aesthetics and phonetics. In cases where the temporary dentures do not adapt well to the tissue or the required aesthetic or occlusal modifications are small, these problems can be addressed directly at the dental chair with the prototype, and the modified prototype can then be rescanned as a reference for manufacturing the final prosthesis. The time efficiency of the method has economic benefits for all parties involved (i.e., patients, dentists, dental clinicians and clinical laboratories). BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The above and other features and advantages of the present disclosure will become readily apparent to those skilled in the art through the following detailed description of embodiments of the present disclosure with reference to the accompanying drawings, in which:

[0012] Figure 1A is a flow chart illustrating an exemplary method of preparing a dental prosthesis according to the present disclosure,

[0013] Figure 1B shows an exemplary first scan using a scannable temporary abutment according to the present disclosure,

[0014] Figure 1C shows an exemplary second scan using a scannable temporary abutment according to the present disclosure,

[0015] FIG. 2A to FIG. 2C shows an exemplary scannable member according to one or more first embodiments of the present disclosure,

[0016] FIG. 3A to FIG. 3E shows an exemplary scannable member according to one or more second embodiments of the present disclosure,

[0017] FIG. 4A to FIG. 4E shows an exemplary scannable member according to one or more third embodiments of the present disclosure,

[0018] FIG. 5A to FIG. 5F shows an exemplary scannable member according to one or more fourth embodiments of the present disclosure,

[0019] FIG. 6A to FIG. 6D An exemplary scannable temporary abutment according to one or more first embodiments of the present disclosure is shown,

[0020] FIG. 7A to FIG. 7C An exemplary kit including a scannable member and a screw according to the present disclosure is shown,

[0021] FIG. 8A to FIG. 8B A scannable member configured to be clamped onto an abutment according to one or more embodiments of the present disclosure is shown.

[0022] Fig. 9 shows a body of a scannable member configured to be releasably secured to a base of the scannable member according to one or more embodiments of the present disclosure,

[0023] FIG. 10A to FIG. 10C shows a scannable component according to one or more embodiments of the present disclosure,

[0024] FIG. 11A to FIG. 11C shows a scannable component according to one or more embodiments of the present disclosure,

[0025] Fig.12 is a block diagram illustrating an exemplary scanner according to the present disclosure, and

[0026] Fig.13 is a block diagram illustrating an exemplary computer-controlled manufacturing tool according to the present disclosure. DETAILED DESCRIPTION

[0027] In the following, various embodiments and details will be described with reference to the relevant drawings. It should be noted that the drawings may be drawn to scale, or may not be drawn to scale, and in all drawings, elements of similar structure or function are represented by the same reference numerals. It should also be noted that the drawings are intended only to facilitate the description of the embodiments. It is not intended to be an exhaustive description of the present disclosure or to limit the scope of the present disclosure. In addition, the illustrated embodiments do not need to have all the aspects or advantages shown. The aspects or advantages described in conjunction with a specific embodiment are not necessarily limited to that embodiment, and may be practiced in any other embodiment even if not shown or not so explicitly described.

[0028] The present disclosure provides a method for improving the quality of a model and the comfort of a patient during the process. A method for preparing a dental prosthesis is disclosed. The method can be performed by a dental prosthesis manufacturing system. The dental prosthesis manufacturing system can include a scanner (e.g., an intraoral scanner) and a computer-controlled manufacturing tool (e.g., a 3D printer, a lathe, and / or a casting machine). The scanner can include a memory circuit, a processor circuit, an imaging circuit, and an interface. The computer-controlled manufacturing tool can include a memory circuit, a processor circuit, and an interface. The method includes arranging a plurality of scannable temporary abutments (e.g., a plurality of temporary abutments including corresponding scannable components) on corresponding dental implants. A dental implant is a medical device that is surgically implanted into the mandible of an edentulous and / or semi-edentulous person (e.g., a person who is missing one or more teeth) to restore the person's chewing ability or appearance. Dental implants provide support for artificial teeth (e.g., prostheses, crowns, bridges, or dentures). The temporary abutments are configured to fix a transitional prosthesis to the dental implant. A temporary abutment may be considered an abutment that is configured to secure a transitional prosthesis to a dental implant for only a limited period of time until the final prosthesis is ready to be mounted on the patient's jaw. In other words, a temporary abutment is not configured to be permanently secured to a dental implant. A temporary abutment is configured to remain in the mouth of an edentulous and / or semi-edentulous patient while a transitional prosthesis is in place. A transitional prosthesis may be considered a prosthesis that is a temporary prosthesis that is configured to be arranged on a dental implant for only a limited period of time, for example until the final prosthesis has been produced.

[0029] In one or more exemplary methods, the step of arranging a plurality of temporary abutments including corresponding scannable members includes arranging the plurality of temporary abutments on corresponding dental implants, and then arranging the plurality of scannable members on the corresponding temporary abutments. In one or more exemplary methods, the step of arranging a plurality of temporary abutments including corresponding scannable members includes arranging the scannable members on corresponding temporary abutments among the plurality of temporary abutments. In one or more exemplary methods, the step of arranging the scannable members on corresponding temporary abutments among the plurality of temporary abutments includes screwing the scannable members onto the corresponding temporary abutments. In one or more embodiments, the scannable member may include a first mating surface configured to mate with a second mating surface of the temporary abutment. The first mating surface may be a first thread, such as an internal thread or an external thread, configured to be screwed into a corresponding second thread in the temporary abutment. The second mating surface may be a second thread. In one or more embodiments, the scannable member may be configured to receive a screw. The screw may be configured to be screwed into the temporary abutment. The scannable member may, for example, include a through hole (e.g., an inner cavity) for receiving the screw. The screw may be a prosthetic screw configured to fix the transitional prosthesis to the dental implant without interfering with the patient wearing the transitional prosthesis. The prosthetic screw may be configured so that when the temporary abutment is fixed to the dental implant using the screw, the prosthetic screw does not protrude outside the temporary abutment.

[0030] In one or more exemplary methods, the step of placing each scannable member on a corresponding temporary abutment of the plurality of temporary abutments includes clamping the scannable member to the corresponding temporary abutment.

[0031] In one or more exemplary methods, the scannable member can be an integral part of a temporary abutment. Thus, the method can include arranging a plurality of temporary abutments having an integral scannable member on respective dental implants. In one or more exemplary methods, the dental implant can be a dental implant implanted in a patient's mouth.

[0032] The method includes performing a first scan on a plurality of temporary abutments including corresponding scannable components. The first scan is performed to obtain information related to one or more dental implants, such as reference coordinates of one or more dental implants, which can be provided to computer-aided design (CAD) and / or computer-aided manufacturing (CAM) software. The first scan can be a three-dimensional (3D) scan. The first scan can be performed using an intraoral scanner. The intraoral scanner can scan a plurality of scannable components to generate information indicating the position of one or more dental implants in the mouth of an edentulous and / or semi-edentulous patient. During the first scan, a first data set is provided. The first data set can indicate one or more implant reference coordinates and the morphology of the jaw of an edentulous and / or semi-edentulous patient, such as the morphology of the maxilla and / or mandible of an edentulous and / or semi-edentulous patient.

[0033] In one or more exemplary methods, performing a first scan includes obtaining first scan data, such as a first data set, indicating a plurality of scannable temporary abutments arranged on respective dental implants and including respective scannable components. The first scan data can be obtained using a scanner, such as a scanning device. In one or more embodiments, a scanner, such as a scanning device, includes a memory circuit, a processor circuit, an imaging circuit, and an interface. The scanner can be configured to perform any of the methods disclosed herein. In other words, the scanner can be configured to perform a first scan, such as can be configured to obtain first scan data indicating a plurality of scannable temporary abutments, such as using an imaging circuit and / or a memory circuit, the plurality of scannable temporary abutments including respective scannable components arranged on respective dental implants.

[0034] In one or more exemplary methods, the method includes arranging a transitional prosthesis on a dental implant using a plurality of temporary abutments including corresponding scannable components. Advantageously, it is not necessary to remove a plurality of temporary abutments to arrange the transitional prosthesis. A transitional prosthesis is a temporary dental appliance that replaces one or more missing teeth or covers a tooth defect. In other words, a transitional prosthesis can be a set of replacement teeth. A transitional prosthesis is a prosthesis that can be used temporarily by a patient until a final prosthesis (e.g., a permanent prosthesis) has been produced, which provides a better fit and increased comfort than a transitional prosthesis. The transitional prosthesis is constructed to be worn for a limited time, for example, to bridge the interval between the removal of the patient's actual teeth until the final prosthesis is completed. The final prosthesis has better durability and is constructed to be worn for several years. The transitional prosthesis and / or the temporary prosthesis can be one or more of an implant, a crown, a bridge, a denture, and a veneer. In one or more exemplary prostheses, the transitional prosthesis can be removable or permanently fixed in the mouth of an edentulous and / or semi-edentulous patient. In one or more exemplary methods, arranging the transitional prosthesis on the dental implant includes inserting a plurality of temporary abutments into the transitional prosthesis. The plurality of temporary abutments may be inserted into the transitional prosthesis by bonding and / or gluing or otherwise attaching the temporary abutments to the transitional prosthesis.

[0035] By providing a transitional prosthesis, such as a temporary denture, the transitional prosthesis can be arranged on a dental implant, the transitional prosthesis having a preformed hole that is large enough and positioned so that the transitional prosthesis can be inserted into the top of multiple temporary abutments. The transitional prosthesis may include a hole for each temporary abutment. In one or more exemplary methods, the position of the hole in the transitional prosthesis can be determined based on information indicating the position of one or more dental implants obtained from a first scan (e.g., implant reference coordinates). In one or more exemplary methods, the position of the hole can be obtained from a mold made before the implant is inserted into the patient's mouth. Thereafter, the temporary abutment and the transitional prosthesis are mounted together, and the hole can be closed with an adhesive, most preferably with a temporary adhesive, such as glue, or a cement, such as a temporary cement.

[0036] In one or more exemplary methods, the step of arranging the transitional prosthesis on the dental implant may include removing the scannable member and / or the temporary abutment from the dental implant after the first scan has been performed. Thereafter, the temporary abutment may be fixed to the transitional prosthesis by inserting the temporary abutment into the preformed hole of the transitional prosthesis and fixing the temporary abutment to the transitional prosthesis using, for example, an adhesive (such as glue or cement, preferably a temporary glue or cement). The transitional prosthesis may have a preformed hole that is large enough to receive the temporary abutment. The position of the hole in the transitional prosthesis may be determined based on information indicating the position of one or more dental implants obtained from the first scan (e.g., implant reference coordinates). In one or more exemplary methods, the position of the hole may be obtained from a mold made before the implant is inserted into the patient's mouth. Thereafter, the hole of the transitional prosthesis may be closed with an adhesive (e.g., glue or cement). After the temporary abutment has been fixed to the transitional prosthesis, the transitional prosthesis may be fixed to the dental implant using the temporary abutment and, for example, a fastening device (e.g., a dental screw).

[0037] The method includes performing a second scan on a transitional prosthesis arranged on a plurality of temporary abutments including corresponding scannable components to obtain implant reference coordinates about the morphology of the transitional prosthesis. The second scan has the advantage of increasing the number of data points collected by the scanner during the first scan, and will be used as a reference scan for the model of the final prosthesis. In fact, during the first scan in the mouth of an edentulous and / or semi-edentulous patient, the scanner will mainly map soft tissues because it is difficult for the scanner to collect data points of soft tissues, and will collect data points related to a plurality of temporary abutments including corresponding scannable components to obtain implant reference coordinates. During the second scan, a second data set is generated, which will be a reference for designing a model of the final prosthesis. The second data set includes data indicating a plurality of temporary abutments including corresponding scannable components to obtain implant reference coordinates and the appearance of the temporary dentures, thereby providing an accurate model for the final prosthesis. The second data set may indicate one or more implant reference coordinates and the morphology of the transitional prosthesis, such as the morphology of the maxillary and / or mandibular transitional prosthesis. By using the same type of temporary abutments for the first scan and the second scan, the risk that the scannable component is not arranged in the same position in the first scan and the second scan can be reduced and / or eliminated. Additionally, all data points collected will aid in the design of the final prosthesis and eliminate any misalignments or problems noted when scanning the provisional prosthesis to provide the patient with a high quality final prosthesis without the need for additional intraoral scans or extra oral scans.

[0038] In one or more exemplary methods, performing a second scan includes obtaining second scan data, such as a second data set, indicating transitional prostheses arranged on a plurality of temporary abutments including corresponding scannable components. The second scan data can be obtained using a scanner, such as a scanning device. The scanner can be configured to perform a second scan, such as can be configured to obtain second scan data indicating transitional prostheses arranged on a plurality of temporary abutments including corresponding scannable components, such as using imaging circuits and / or memory circuits.

[0039] The method includes generating a model of the final prosthesis based on a first scan (e.g., based on the first scan data or a first data set) and a second scan (e.g., based on the second scan data or a second data set). In one or more exemplary methods, the model of the final prosthesis can be generated using computer-aided design (CAD) software. The CAD software can be embodied in the form of an executable logic routine (e.g., a line of code, a software program, etc.), which is stored on a non-transitory computer-readable medium (e.g., a memory circuit of a scanner) and executed by a processor circuit of the scanner. In one or more exemplary methods, generating the model includes aligning the position of each scannable component from the first scan with the position of each corresponding scannable component from the second scan. In other words, generating the model can include superimposing the corresponding scannable components from the first scan and the second scan. The model may include information required for producing a high-precision dental prosthesis that is particularly suitable for the intraoral morphology of edentulous and / or semi-edentulous patients, such as information about the position of implants and / or existing prostheses (e.g., transitional prostheses), and if possible, information related to soft tissue. Therefore, a final prosthesis that accurately fits the patient's intraoral morphology can be provided (and subsequently attached to a dental implant) without having to perform multiple trial fittings to test and adapt the fit of the dental prosthesis. Therefore, the risk of having to remake the dental prosthesis can be reduced. In addition, since the fit of the dental prosthesis can be more accurate, the wearing comfort of edentulous and / or semi-edentulous patients can be increased. In one or more exemplary methods, the scanner can be configured to generate a model of the final prosthesis based on the first scan data or the first data set and the second scan data or the second data set, for example, it can be configured to execute CAD software, for example, using a processor circuit to generate the final model. In one or more exemplary methods, the scanner is configured to superimpose scan data from the first scan and the second scan indicating corresponding scannable components.

[0040] In one or more exemplary methods, the method includes producing a final prosthesis, such as a final denture, based on a digital model of the final prosthesis. The final prosthesis can be produced by one or more techniques known to those skilled in the art, such as milling, casting, additive manufacturing such as 3D printing, lathe machining and casting. In one or more exemplary methods, producing the final prosthesis includes, for example, sending manufacturing instructions for manufacturing the final prosthesis to a computer-controlled manufacturing tool, such as a 3D printer, a lathe and / or a casting machine, via an interface of a scanner. The manufacturing instructions may include data indicating the model of the final prosthesis. The computer-controlled manufacturing tool may be configured to receive manufacturing data from a scanner, for example, via an interface of the computer-controlled manufacturing tool, and, for example, store the manufacturing instructions in a memory circuit of the computer-controlled manufacturing tool. In one or more exemplary methods, the computer-controlled manufacturing tool may be configured to execute manufacturing instructions for producing (e.g., manufacturing) the final prosthesis, for example, by a processor circuit of the computer-controlled manufacturing tool.

[0041] In one or more exemplary methods, the method includes removing (e.g., separating) each scannable member from a corresponding temporary abutment in a plurality of temporary abutments. In one or more exemplary methods, for example, when the scannable member is screwed onto the temporary abutment, removing includes unscrewing each scannable member from a corresponding temporary abutment in a plurality of temporary abutments. In one or more exemplary methods, for example, when the scannable member is clamped onto the temporary abutment, removing includes loosening each scannable member from a corresponding temporary abutment in a plurality of temporary abutments. In one or more exemplary methods, for example, when the scannable member is integral with the temporary abutment, removing includes machining the scannable member of the corresponding temporary abutment. The scannable member can be machined away from the corresponding temporary abutment by cutting and / or grinding the scannable member of the corresponding temporary abutment.

[0042] A scannable temporary abutment for determining the position of a dental implant is disclosed, the scannable temporary abutment comprising a temporary abutment and a scannable component. The temporary abutment is an abutment for making a transitional prosthesis. The temporary abutment may be a temporary abutment known to those skilled in the art, for example, the temporary abutment may be cylindrical. The transitional prosthesis may be bonded or glued (for example, with temporary glue or cement) to the temporary abutment, or the temporary abutment may be incorporated into the transitional prosthesis. The scannable component is a component designed to provide accurate scanning results. In other words, the scannable component is constructed to be detectable by a scanner, such as a scanning device (such as an intraoral scanner or a dental scanning rod), and the scanning device is capable of matching the parameters of the digital scannable component with the physical component with high accuracy. The parameter may be one or more of the height, width, length and shape of the scannable component. Using different devices to install the scannable screws (such as a scanning rod and a temporary abutment) for different scans, as is done in known systems, may introduce errors between scans. For example, the scannable screw may not be at the same height relative to the dental implant in the scans, because the height will depend on how far the scannable screw is screwed into / on the scanbar in the first scan and how far it is screwed into / on the temporary abutment in the second scan. The height may also depend on the dimensions in the scanbar and temporary abutment used in the entire workflow, such as the depth of the screw channel. Changes in height may also introduce differences in the landscaping and stitching of the scans. Differences in the abutments used, such as differences between the scanbar and the temporary abutment, may also introduce differences in the angles of the abutments relative to the dental implant, which may also produce mapping differences. The scannable temporary abutment according to one or more embodiments disclosed herein has the advantage that the scannable member can be easily positioned, removed and repositioned on top of the temporary abutment or integrated into the temporary abutment. In addition, compared to known systems in which both the scanbar and the scannable member (e.g., the scannable screw) must be moved between scans, the position and height of the scannable member will be fixed by the temporary abutment, thereby improving the matching and superposition of the two scans. The scannable temporary abutment according to the present disclosure is constructed for both scanning when the transitional prosthesis is not arranged on the dental implant and scanning when the transitional prosthesis is arranged on the dental implant, thereby reducing the risk that the scannable component is not arranged at the same height and / or angle relative to the dental implant in the two scans. The scannable temporary abutment according to the present disclosure is constructed to be mounted to a dental implant. The dental implant can be a dental implant implanted in the mouth (e.g., in the jawbone) of an edentulous and / or semi-edentulous patient. The scannable temporary abutment can be regarded as a temporary abutment including or constructed to receive a scannable component. Scannable can be regarded as detectable by a scanner, such as an intraoral scanner, for generating a data set for CAD modeling of the scannable component and / or the temporary abutment.

[0043] In one or more exemplary scannable temporary abutments, the scannable member has a substantially cylindrical shape and / or a cylindrical shape. Substantially cylindrical can be considered as the main shape of the cylindrical scannable member, but may include one or more cutouts or protrusions. The scannable member may include a top surface, a bottom surface, and a side surface. The side surface may connect the top surface and the bottom surface. The bottom surface may be a bottom surface. When the scannable member is arranged to the dental implant via the temporary abutment, the top surface may be the surface facing away from the dental implant. When the scannable member is arranged to the dental implant via the temporary abutment, the bottom surface may be the surface facing the dental implant.

[0044] In one or more exemplary scannable temporary abutments, the scannable member includes a position indicator configured to be detectable by a scanner, such as an intraoral scanner. The position indicator may be a surface that is different from an adjacent surface. The position indicator may be a planar surface, such as a facet. The planar surface may extend from the top surface of the scannable member to the side surface of the scannable member at a first angle to the longitudinal axis of the scannable member. By adding the position indicator to the scannable member, the shape of the scannable member may be rendered asymmetric, which may increase the detectability of the scannable member by the scanner compared to a solution using a scannable screw. The scanner may be configured to sense and / or detect an angle on the position indicator, and the angle may be used as a coordinate to align the scanned data set. The side surface of the scannable member may be an envelope surface of the scannable member, such as an envelope surface of a cylindrical scannable member. The position indicator is a planar surface of the scannable member that is inclined relative to the side surface, such as a facet, such as having a normal axis arranged at a first angle to the longitudinal axis, the longitudinal axis being, for example, the longitudinal center axis of the scannable member. The first angle may be greater than 0° and less than 90°, such that the planar surface is parallel to neither the top surface nor the side surface.

[0045] In one or more exemplary scannable temporary abutments and / or scannable members, the position indicator is L-shaped. The position indicator can be a cutout in the body of the scannable member so that a surface (e.g., a first surface) of the position indicator is parallel to the longitudinal axis of the scannable member. In one or more embodiments, a second surface of the position indicator can be substantially perpendicular to the first surface, e.g., substantially perpendicular to the longitudinal axis of the scannable member.

[0046] In one or more exemplary scannable members, the surface of the scannable member can be processed to reduce the reflectivity of the surface, such as the light reflectivity of the surface. For example, the surface of the scannable member can be processed by etching, such as using an etching method. Therefore, in one or more exemplary scannable members, the scannable member includes an etched surface. The surface of the scannable member can be etched to increase the roughness of the surface. By increasing the roughness of the scannable member, the scannability of the scannable member can be increased because the processed surface can be less reflective than the unprocessed surface. Therefore, the reflected light from the scanner can be reduced, otherwise the reflected light may negatively affect the scanning result and may prevent the scanner from providing an accurate image of the scanned object. Scannability can be regarded as the degree to which the scannable member is detected by the scanner. A device with poor scannability may not be detected by the scanner, or may provide poor scanning results, for example, by introducing interference into the scanner during scanning, resulting in poor image quality. A device with good scannability can be easily detected by the scanner, or can provide good scanning results, such as good image quality.

[0047] In one or more exemplary scannable temporary abutments, the temporary abutment and / or the scannable member may be made of metal, metal alloy, composite and / or polymer. In one or more exemplary scannable temporary abutments, the temporary abutment and / or the scannable member may be made of, for example, polyetheretherketone (PEEK) or polyvinyl alcohol (PVA).

[0048] In one or more exemplary scannable temporary abutments, the temporary abutment and / or the scannable member may be made of metal or metal alloy, for example, the temporary abutment and / or the scannable member may be made of titanium and / or a titanium alloy. In one or more exemplary temporary abutments, the titanium may be surface treated to increase the roughness of the surface. The advantage of treating the surface of the scannable temporary abutment and / or the scannable member is that the roughness of the surface is increased, so the reflectivity of the surface can be made smaller, which can increase the scannability. By increasing the roughness of the surface, the reflected light from the scanner can be reduced, which otherwise may negatively affect the scanning results and may prevent the scanner from providing an accurate image of the scanned object. If the metal surface is smooth, the scanner may not be able to produce an accurate image of the scanned object because the light from the scanner may be reflected back to the scanner on the metal surface, which may blur the scanning results. Non-metallic materials (e.g., composites and / or polymers) have the benefit of low surface reflectivity and / or non-reflectivity, and because less light is reflected back to the scanner, the scannability of the temporary abutment and / or the scannable member can be improved.

[0049] In one or more exemplary scannable temporary abutments, the scannable member includes a base, such as a base portion, configured to be clipped onto the temporary abutment. In one or more exemplary scannable temporary abutments, the base of the scannable member may be configured to receive the temporary abutment. The base of the scannable member may include a hollow portion, such as a cavity, and may be clipped onto the temporary abutment by receiving the temporary abutment in the hollow portion.

[0050] The outer diameter of the scannable member may be in the range of 4.0 mm - 4.8 mm, for example in the range of 4.2 mm - 4.6 mm.The length of the scannable member (for example the extension in the longitudinal direction of the scannable member) may be in the range of 2.4 mm - 5.2 mm.

[0051] In one or more exemplary scannable members, the scannable member may include a first protrusion configured to engage with a temporary abutment, which may also be referred to as a clamping protrusion. The first protrusion may be configured to be inserted into a cavity, such as a through hole in the top of a temporary abutment. The first protrusion may be arranged on a base of the scannable member, such as a base portion, and may extend in the longitudinal direction of the scannable member. The first protrusion may be hollow or solid. The size and shape of the first protrusion may be selected so that the first protrusion is supported by one or more side walls of the cavity, such as radial support, and the cavity is, for example, a through hole of a temporary abutment. The outer diameter of the first protrusion may, for example, be equal to the inner diameter of the cavity (such as a through hole). In one or more exemplary scannable members, the scannable member may include a plurality of protrusions configured to engage with a temporary abutment, such as a first protrusion and a second protrusion. In other words, the scannable member may include one or more protrusions configured to engage with an abutment, such as one or more clamping protrusions. The second protrusion may have the same or similar properties as the first protrusion, such as size and shape. The one or more protrusions (eg the first protrusion and / or the second protrusion) may extend in a radial direction around at least a portion of the periphery of the base of the scannable member. In other words, the protrusions may be radial protrusions.

[0052] In one or more exemplary scannable components, the base may include a groove for receiving a base clamping protrusion, such as a main body clamping groove or a main body connection groove. The main body can be releasably connected to the base by inserting the main body into the base until the base clamping protrusion engages the main body clamping groove. In one or more exemplary scannable components, the base of the scannable component may include an insert, which is arranged on the inner surface of the base and is configured to engage with the main body of the scannable component. The insert may be a substrate, such as a substrate made of a polymer, which includes a groove for receiving the base clamping protrusion of the main body. The base clamping protrusion may be hollow or solid. The size and shape of the base clamping protrusion may be selected so that the base clamping protrusion is supported by one or more side walls of the base. The outer diameter of the base clamping protrusion may, for example, be equal to the inner diameter of the base.

[0053] In one or more exemplary scannable members, the scannable member may include a tool receptacle, such as a screw channel, disposed on the top surface of the body of the scannable member. The tool receptacle may be configured to receive a tool, such as a screwdriver, to facilitate connection of the scannable member to the abutment, such as for inserting the scannable member into the cavity of the abutment. The tool receptacle may have a star shape (e.g., a plum blossom shape), a hexagonal shape, a Philips shape, a groove socket shape, a wing shape (e.g., a tri-wing shape), a square shape, and / or a clutch shape.

[0054] In one or more exemplary scannable temporary abutments, the base of the scannable member includes a plurality of sheets or wings configured to engage with the temporary abutment. The scannable member may, for example, include two, three, four or five sheets. A plurality of sheets may extend in a longitudinal direction from the base of the scannable member. A plurality of sheets may be configured to be inserted into a cavity, for example, into a through hole in the top of a temporary abutment. A plurality of sheets may be configured to apply a force in a radial direction of the temporary abutment when inserted into the cavity of the temporary abutment, for fixing the scannable member to the temporary abutment. A plurality of sheets may be evenly distributed on the base of the scannable member. In one or more exemplary scannable temporary abutments, each of a plurality of sheets may be arranged on a first protrusion of the scannable member.

[0055] In one or more exemplary scannable temporary abutments, the temporary abutment and the scannable member can be configured to form a shape fit, such as a mechanical fit. The temporary abutment can, for example, include one or more notches arranged on the surface of the cavity. One or more notches can be configured to receive one or more protrusions arranged in the radially outward direction of the scannable member, such as arranged on a sheet of the scannable member. Therefore, by inserting the scannable member into the temporary abutment until the protrusion of the scannable member engages with the notch of the temporary abutment, the scannable member can be clamped onto the temporary abutment. Accordingly, in one or more exemplary scannable temporary abutments, the temporary abutment can include a protrusion, and the scannable member can include a notch. The protrusions and notches that engage with each other can further give the user of the scannable member (e.g., a dentist attaching the scannable member to the temporary abutment) tactile feedback indicating that the scannable member is properly placed on the temporary abutment. This can ensure that the scannable member is properly placed on the temporary abutment, and is therefore located in the same position for each scan. This ensures that the position of the scannable member is the same in each scan, and therefore ensures that images from multiple scans can be properly aligned to produce a model.

[0056] In one or more exemplary scannable temporary abutments, the base of the scannable member includes a magnet, such as a first magnet, which is configured to magnetically connect the scannable member to the temporary abutment. In one or more exemplary scannable temporary abutments, the temporary abutment can be made of a magnetic material that attracts the magnet of the scannable member. In one or more exemplary scannable temporary abutments, the temporary abutment can include a magnet, such as a second magnet, which has a magnetic pole opposite to the magnet arranged on the scannable member, thereby attracting the scanning body and fixing it to the temporary abutment. The scannable member can therefore be configured to be magnetically clamped to the temporary abutment, such as magnetically attracting and fixing the scannable member to the temporary abutment. The first magnet and / or the second magnet engaged with the magnetic material can give the user of the scannable member (e.g., a dentist) tactile feedback indicating that the scannable member is properly placed on the temporary abutment.

[0057] In one or more exemplary scannable temporary abutments, the scannable member is configured to be screwed onto the temporary abutment. In one or more embodiments, the scannable member may include a through hole configured to receive a screw for fixing the scannable member to the temporary abutment.

[0058] In one or more embodiments, the scannable member may include threads for threading the scannable member into the temporary abutment. The scannable member may, for example, include external threads, and the temporary abutment may include internal threads configured to receive the external threads of the scannable member. Accordingly, in one or more exemplary scannable temporary abutments, the scannable member may include internal threads, and the temporary abutment may include external threads configured to receive the internal threads of the scannable member.

[0059] In one or more exemplary scannable temporary abutments, the scannable temporary abutment (e.g., an assembly of a temporary abutment and a scannable member) has a length selected so that when a transitional prosthesis is fixed to a dental implant via the temporary abutment, the scannable member has a length approximately similar to the top of the tooth of the transitional prosthesis. In another embodiment, the length of the scannable temporary abutment can be selected so that when the transitional prosthesis is fixed to a dental implant via the temporary abutment, the scannable member protrudes above the transitional prosthesis. The length can be, for example, a length in the range of 5 mm-20 mm, for example, in the range of 8 mm-14 mm, for example, 10 mm-13 mm, for example, 11.5 mm.

[0060] A kit is disclosed that includes a scannable member and a screw for securing the scannable member to a temporary abutment.

[0061] The solution according to the present disclosure will be described in more detail below with reference to the accompanying drawings. For the sake of clarity, the accompanying drawings are schematic and simplified, and only show details that are helpful for understanding the present disclosure, while other details have been omitted. Throughout the text, the same figure numerals are used for the same or corresponding parts.

[0062] FIG1 is a flow chart showing an exemplary method for preparing a dental prosthesis according to the present disclosure. In one or more exemplary methods, the method includes arranging a plurality of scannable temporary abutments on corresponding dental implants S101, the scannable temporary abutments are, for example, a plurality of temporary abutments including corresponding scannable components. The scannable temporary abutments can be screwed onto the dental implant, and then the scannable components can be arranged on the temporary abutments.

[0063] In one or more exemplary methods, arranging a plurality of scannable temporary abutments including respective scannable members S101 may include arranging the scannable members on respective temporary abutments of the plurality of scannable temporary abutments S101A.

[0064] In one or more exemplary methods, for example, when the scannable member is configured to be screwed onto a scannable temporary abutment, arranging the scannable member onto a corresponding scannable temporary abutment among the plurality of temporary abutments S101A includes screwing the scannable member onto the corresponding scannable temporary abutment S101AA.

[0065] In one or more exemplary methods, for example, when the scannable member is configured to be clamped onto a scannable temporary abutment, arranging each scannable member on a corresponding scannable temporary abutment among a plurality of scannable temporary abutments S101A includes clamping the scannable member onto the corresponding scannable temporary abutment S101AB.

[0066] The method comprises performing a first scan S103 on a plurality of scannable temporary abutments 20 including respective scannable members 10 arranged on respective dental implants.

[0067] In one or more exemplary methods, performing a first scan S103 includes obtaining first scan data S103A indicating a plurality of scannable temporary abutments including respective scannable members disposed on respective dental implants. The first scan data may be obtained using a scanner 40 .

[0068] Reference Figure 1B An exemplary method for performing the first scan S103 is described in more detail. The first scan can be performed using a scanner (e.g., an intraoral scanner). The scanner 40 can scan multiple scannable components 10 to generate information indicating the position of one or more dental implants in the mouth of an edentulous and / or semi-edentulous patient. During the first scan, a first data set is generated. The first data set can indicate one or more implant reference coordinates and the morphology of the jaw of the edentulous and / or semi-edentulous patient, such as the morphology of the maxilla and / or mandible of the edentulous and / or semi-edentulous patient. The first scan can be performed without a prosthesis (e.g., a transitional prosthesis) being arranged in the patient's mouth. In one or more exemplary methods, the first scan can provide information about the patient's soft tissue. The method includes: arranging a transitional prosthesis on a dental implant using multiple temporary abutments including corresponding scannable components S105. After the first scan has been performed, the transitional prosthesis can be arranged on the dental implant to perform a second scan including the transitional prosthesis. In one or more exemplary methods, arranging the transitional prosthesis on the dental implant S105 may include embedding a plurality of temporary abutments into the transitional prosthesis S105A. The plurality of temporary abutments may be embedded into the transitional prosthesis by bonding and / or gluing (e.g., using temporary glue and / or temporary cement) the transitional prosthesis.

[0069] The method includes performing a second scan S107 on the transitional prosthesis arranged on the plurality of temporary abutments including corresponding scannable components.

[0070] In one or more exemplary methods, performing a second scan S107 includes obtaining second scan data S107A, such as a second data set indicating a transitional prosthesis disposed on a plurality of temporary abutments including corresponding scannable components. The second scan data may be obtained using a scanner such as a scanning device.

[0071] Reference Figure 1CAn exemplary method for performing the second scan S107 is described in more detail. The second scan can be performed using a scanner 40 (e.g., an intraoral scanner). The scanner 40 can scan the transitional prosthesis 50 and a plurality of scannable temporary abutments 20 including a scannable member 10 to generate information indicating the position of the transitional prosthesis 50 relative to one or more dental implants. During the second scan, a second data set is generated. The second data set can indicate one or more implant reference coordinates and the morphology of the transitional prosthesis 50, such as the morphology of the maxillary and / or mandibular transitional prosthesis.

[0072] In one or more exemplary methods, the method includes removing each scannable member from a corresponding temporary abutment in the plurality of temporary abutments S108. In one or more exemplary methods, removing each scannable member S108 includes unscrewing each scannable member from a corresponding temporary abutment in the plurality of temporary abutments S108A. This may be, for example, in the case where the scannable member has been screwed onto the temporary abutment.

[0073] In one or more exemplary methods, removing each scannable member S108 includes loosening each scannable member S108B from a corresponding temporary abutment of the plurality of temporary abutments. This may be, for example, when the scannable member has been clipped onto the temporary abutment.

[0074] In one or more exemplary methods, for example, when the scannable member is integrated with the temporary abutment, removing each scannable member S108 includes machining the scannable member S108C from the corresponding temporary abutment. Each scannable member can be machined away from the corresponding temporary abutment by cutting and / or grinding the scannable member from the temporary abutment. The scannable member can be machined away from the temporary abutment at a first distance from the top surface of the scannable member. The first distance can be selected so that the remaining length of the temporary abutment does not protrude above the dental prosthesis attached to the temporary abutment, for example, does not protrude beyond the dental prosthesis in the longitudinal direction of the temporary abutment. Machining S108C can be performed in or out of the mouth. In other words, in one or more exemplary methods, each scannable member can be machined away from the corresponding temporary abutment while the temporary abutment is arranged on the dental implant. In one or more embodiments, the scannable member can be machined away from the temporary abutment after the temporary abutment is removed from the dental implant.

[0075] The method includes: generating a model of the final prosthesis using CAD software based on the first scan and the second scan S109. In one or more exemplary methods, generating the model S109 includes: aligning the position of each scannable component from the first scan with the position of each corresponding scannable component from the second scan, so that the position of each corresponding scannable component and / or temporary abutment in the first scan overlaps with the corresponding (e.g., the same) scannable component and / or temporary abutment in the second scan. In other words, generating the model S109 may include: superimposing the corresponding scannable components from the first scan and the second scan.

[0076] In one or more exemplary methods, the method includes producing a final prosthesis based on a model of the final prosthesis S111. The final prosthesis can be produced using CAM software based on a model generated by CAD software. Producing the final prosthesis S111 can include one or more of milling, additive manufacturing such as 3D printing, lathe machining, and casting.

[0077] FIG. 2A to FIG. 2C A scannable member 10 configured to be disposed on a temporary abutment is shown according to one or more first embodiments of the present disclosure. FIG. 2A to FIG. 2C The scannable member 10 shown has a cylindrical shape. The exemplary scannable member 10 includes a top 11, a bottom 12A (e.g., a first bottom 12A), and a side surface 13. The bottom end can be arranged at the base 12 of the scannable member 10. The side surface 13 can connect the top 11 and the first bottom 12A. The size of the side surface 13 can change from the top 11 to the bottom 12A, so that the base 12 has a different diameter than the top 11. The top 11 can include the top surface of the scannable member 10, such as the surface facing away from the dental implant when the scannable member 10 is arranged to the dental implant via a temporary abutment. The top 11 is the end of the scannable member facing away from the dental implant when the scannable member 10 is arranged on the dental implant via a temporary abutment. The bottom 12A of the scannable member 10 can be a bottom surface, such as the surface facing the dental implant when the scannable member 10 is arranged on the dental implant via a temporary abutment.

[0078] Figure 2AA side view of a first exemplary scannable member 10 is shown. The first exemplary scannable member 10 may have a stepped shape in the longitudinal direction, in particular, the side surface 13 may have a stepped shape. The stepped shape here means that the diameter of the scannable member may change along the longitudinal direction of the scannable member. The first exemplary scannable member may have a length L, a first diameter D1 near the top 11, and a second diameter D2 near the bottom 12A. The first diameter D1 may be in the range of 4.0 mm-4.8 mm, for example, in the range of 4.2 mm-4.6 mm. The second diameter D2 may be in the range of 3.4 mm-3.8 mm, for example, 3.6 mm. The length L may be in the range of 2.4 mm-5.2 mm.

[0079] The side surface 13 of the scannable member 10 may therefore include a first portion 13A arranged at the top end 11 and a second portion 13B arranged at the bottom end 12A. The second portion 13B of the side surface 13 may be considered as the base 12 here. The first portion 13A and the second portion 13B of the side surface may be connected via a third portion 13C (e.g., an inclined portion). The third portion 13C may have a first diameter D1 at the end connected to the first portion 13A, and a second diameter D2 at the end connected to the second portion 13B. FIG. 2A to FIG. 2C The exemplary scannable member 10 shown may also include a position indicator 15, such as a chamfered surface ( FIG. 2A to FIG. 2C 10). In one or more exemplary scannable members, the position indicator 15 can be a chamfered surface extending from the top surface 11 of the scannable member 10 to the side surface 13 of the scannable member 10. The side surface 13 of the scannable member 10 can be an envelope surface of the scannable member 10, such as an envelope surface of a cylindrical scannable member 10. The chamfered surface 15 is a surface of the scannable member 10 that is inclined relative to the side surface 13, for example, arranged at an angle to the top surface 11 of the scannable member 10.

[0080] Figure 2B Shown along Figure 2AA cross-sectional view of an exemplary first scannable member 10 along the cutting line AA shown. The exemplary first scannable member is hollow, for example including a through hole 14 extending centrally through the scannable member 10 in the longitudinal direction of the scannable member 10. The through hole 14 can be configured to receive a screw for fixing the scannable member 10 to a temporary abutment. The bottom end 12A of the scannable member 10 can be configured to receive a temporary abutment. The diameter of the hollow portion of the scannable member (e.g., the through hole 14) at the bottom end 12A can be different from the diameter at the top end 11. By inserting the temporary abutment into the through hole at the bottom end 12A of the scannable member 10, the scannable member can be attached to the temporary abutment so that the scannable member is clamped onto the temporary abutment. Therefore, by receiving the temporary abutment in the hollow portion of the scannable member 10, the scannable member 10 can be clamped onto the temporary abutment.

[0081] Figure 2C Shows Figure 2A and Figure 2B A perspective view of an exemplary first scannable member 10 in FIG.

[0082] FIG. 3A to FIG. 3E A scannable member 10 configured to be disposed on a temporary abutment is shown according to one or more second embodiments of the present disclosure. FIG. 3A to FIG. 3E An exemplary scannable member 10 is shown, which includes a base, such as a bottom end 12A, configured to be clamped onto a temporary abutment. The bottom end 12A of the scannable member 10 may include a protrusion 16 protruding from the bottom end 12A of the scannable member 10 (e.g., the surface of the bottom end 12A). The base of the scannable member 10 includes a plurality of sheet members 17 configured to engage with the temporary abutment. The plurality of sheet members 17 may be arranged on the protrusion 16 or may form the protrusion 16. The scannable member 10 may include two, three, four, or five sheet members 17. The plurality of sheet members 17 may extend in a longitudinal direction from the bottom end 12A of the scannable member 10. The plurality of sheet members 17 may be configured to be inserted into a cavity in the top of the temporary abutment, such as when the temporary abutment is arranged on a dental implant, into a portion of the temporary abutment away from the dental implant. The cavity may be, for example, a through hole in the scannable temporary abutment. The plurality of sheet-like elements 17 can be configured to exert a force in the radial direction of the temporary abutment when inserted into the cavity of the temporary abutment for fixing the scannable member to the temporary abutment. The plurality of sheet-like elements can be spring-loaded, for example. The plurality of sheet-like elements 17 can be evenly distributed on the base of the scannable member 10, for example, arranged at an angular distance of 360° / N, where N is the number of sheet-like elements 17. FIG. 3A to FIG. 3EThe illustrated exemplary second scannable member 10 has a substantially cylindrical shape.The diameter D1 of the scannable member 10 may be in the range of 4.0 mm - 4.8 mm, for example in the range of 4.2 mm - 4.6 mm, and the length L may be in the range of 2.4 mm - 5.2 mm.

[0083] Figure 3A A side view of the scannable member 10 looking in the direction of the bottom end 12A of the scannable member 10 is shown. Figure 3A The exemplary scannable member 10 shown comprises four sheets arranged in a circular array. The sheets are arranged at an angular distance of 90° from each other, but other configurations may also be used. Figure 3B There is shown a side view of the scannable member 10 viewed in a direction perpendicular to the longitudinal axis of the scannable member 10. As can be seen, a flap 17 protrudes from the bottom end 12A of the scannable member 10. The flap may be arranged on a protrusion 16.

[0084] The scannable member 10 may be configured to form a form fit with the temporary abutment. The scannable member 10 may include one or more protrusions 17A, such as radial protrusions, arranged in a radially outward direction of the scannable member 10, such as arranged on a sheet of the scannable member 10, which is configured to engage with one or more recesses arranged on the surface of the cavity of the temporary abutment. Therefore, the scannable member can be clamped onto the temporary abutment by inserting the scannable member into the temporary abutment until the one or more radial protrusions 17A of the scannable member 10 engage with the recess of the temporary abutment. Figure 3C Shown along Figure 3B A cross-sectional view of an exemplary second scannable member 10 is shown along cutting line BB. The exemplary second scannable member is solid, for example having a solid core. Figure 3D A side view of the scannable member 10 viewed in the direction of the top surface 11 of the scannable member 10 is shown. Figure 3E Shows FIG. 3A to FIG. 3D A perspective view of an exemplary second scannable member 10 is shown.

[0085] FIG. 4A to FIG. 4E A scannable member 10 configured to be disposed on a temporary abutment is shown according to one or more third embodiments of the present disclosure. FIG. 4A to FIG. 4E The exemplary scannable member 10 shown is similar to FIG. 3A to FIG. 3EThe scannable member of one or more second embodiments shown is different in that the scannable member 10 includes a position indicator 15. According to one or more third exemplary scannable members, the position indicator 15 is a planar surface having a normal axis arranged at a first angle to the longitudinal axis (e.g., the longitudinal center axis) of the scannable member 10. The position indicator 15 is configured to be detectable by a scanner (e.g., an intraoral scanner). FIG. 4A to FIG. 4E In the exemplary scannable member shown, position indicator 15 extends from top surface 11 of scannable member 10 toward side surface 13 at a first angle to the longitudinal axis of scannable member 10. Thus, a plane extending along planar surface 15 will intersect the longitudinal axis and / or side surface 13. The first angle can be greater than 0° and less than 90°, such that the planar surface is neither parallel to top surface 11 nor to side surface 13. By providing a scannable member 10 with position indicator 15, the detectability of the scannable member 10 by a scanner, such as the detectability of the orientation of the scannable member 10, can be increased. By increasing the detectability of the scannable member 10, the image processing required to align the first scan and the second scan (e.g., superimpose the first scan and the second scan) to generate a model can be reduced.

[0086] FIG. 5A to FIG. 5F FIG. 2 shows a scannable temporary abutment 20 according to one or more embodiments of the present disclosure. The exemplary scannable temporary abutment 20 includes a scannable member 10. FIG. 5A to FIG. 5FIn the exemplary scannable temporary abutment shown, the scannable member 10 is integral with (e.g., integral with) the scannable temporary abutment 20. In one or more exemplary scannable temporary abutments, the scannable member may be detachable from the temporary abutment and may be configured to be clamped or screwed onto the temporary abutment. The scannable temporary abutment 20 has a base portion 21 including a bottom end 21A, a middle portion 22, and a top end 23. The middle portion 22 may be arranged between the top end 23 and the base portion 21. The middle portion 22 of the exemplary scannable temporary abutment 20 has a cylindrical shape. The base portion 21 of the scannable temporary abutment 20 is configured to be arranged on a dental implant. The scannable temporary abutment 20 may be configured to be fixed to a transitional prosthesis for fixing the transitional prosthesis to a dental implant. The scannable temporary abutment 20 may be fixed to the scannable temporary abutment by bonding and / or gluing the temporary abutment 20 to the transitional prosthesis 20. In order to ensure that the transitional prosthesis is securely fixed to the scannable temporary abutment 20, the middle portion of the temporary abutment may include one or more longitudinal fixing structures 24 for preventing the transitional prosthesis from sliding along the temporary abutment 20 in the longitudinal direction of the temporary abutment 20. The longitudinal fixing structures 24 may be recesses and / or protrusions, such as grooves or ridges, arranged on the outer surface of the middle portion. When the transitional prosthesis is adhered to the scannable temporary abutment, for example by bonding and / or gluing to the temporary abutment, an adhesive such as glue and / or cement may engage with the longitudinal fixing structures, thereby preventing the transitional prosthesis from moving in the longitudinal direction. Figure 5A , Figure 5C and Fig. 5F In the illustrated exemplary scannable temporary abutment 20, the longitudinal fixing structure 24 is a groove arranged around the periphery of the middle portion 22 of the scannable temporary abutment 20. The scannable member 10 may be arranged at the top of the scannable temporary abutment 20.

[0087] Figure 5D Shown along Figure 5B A cross-sectional view of an exemplary fourth scannable temporary abutment 20 along the cutting line DD shown. Figure 5DAs seen in FIG. 1 , the exemplary scannable temporary abutment 20 is hollow, for example, including a through hole 25. The through hole 25 may extend from the top end 11 of the scannable member 10 to the bottom end 21A of the scannable temporary abutment 20. The through hole 25 may be configured to receive a screw for fixing the scannable temporary abutment 20 to a dental implant. The through hole 25 may include: a first portion 25A having a first diameter, a second portion 25B having a second diameter, and a third portion 25C having a third diameter. The first portion 25A of the through hole 25 may be arranged at the base portion 21 of the temporary abutment 20 and may be configured to receive a dental implant. The third portion 25C of the through hole 25 may extend from the top end 11 of the scannable member 10 to the middle portion 22 of the scannable temporary abutment 20. The third portion 25C may be configured to receive a screw and a screwdriver for tightening the screw. The second portion 25B of the through hole 25 may be arranged between the first portion 25A and the third portion 25C of the through hole 25. The diameter of the second portion 25B of the through hole 25 may be smaller than the diameters of the first portion 25A and the third portion 25C of the through hole, so that a contact surface 26 for a screw inserted into the third portion 25C of the through hole 25 is generated by the material surrounding the second portion 25B of the through hole 25. When the screw is tightened into the dental implant, the screw applies a force on the contact surface 26, thereby fixing the scannable temporary abutment 20 to the dental implant.

[0088] The scannable temporary abutment 20 and the integral scannable member 10 may be made of metal or metal alloy, for example, titanium or titanium alloy. In one or more exemplary scannable temporary abutments, the titanium may be surface treated to increase the roughness. Increasing the roughness of the material may make the scannable temporary abutment 20 scannable and / or may increase the scannability of the scannable temporary abutment 20. By surface treating the scannable temporary abutment 20 and / or the scannable member 10, the metal surface may be made less reflective. The surface of the scannable temporary abutment 20 and / or the scannable member 10 may be treated to reduce the reflectivity of the surface, such as the light reflectivity of the surface. For example, the surface of the scannable temporary abutment 20 and / or the scannable member 10 may be treated by etching, for example, using an etching method. Therefore, in one or more exemplary scannable members, the scannable temporary abutment 20 and / or the scannable member 10 include an etched surface. Therefore, the reflected light from the scanner may be reduced, which may otherwise negatively affect the scanning result and may prevent the scanner from providing an accurate image of the scanned object. If the metal surface is smooth, the scanner may not be able to generate an accurate image of the scanned object because light from the scanner may reflect off the metal surface.

[0089] In one or more exemplary scannable temporary abutments, the length L of the scannable temporary abutment 20 (eg, the assembly of the temporary abutment 20 and the scannable member 10) may be STAIn the range of 5mm-14mm. The length of the scannable temporary abutment 20 can be selected so that when the transitional prosthesis is fixed to the dental implant via the temporary abutment, the scannable member 10 protrudes above the transitional prosthesis. The diameter D1 of the scannable member 10 can be in the range of 4.0mm-4.8mm, for example in the range of 4.2mm-4.6mm, and the length L can be in the range of 2.4mm-5.2mm. Although in FIG. 5A to FIG. 5F Although not disclosed in the specification, in one or more exemplary scannable temporary abutments 20, the integral scannable member 10 may also include: FIG. 4A to FIG. 4E The position indicator 15 disclosed in .

[0090] FIG. 6A to FIG. 6D A scannable temporary abutment 20 is shown in accordance with one or more embodiments of the present disclosure. FIG. 6A to FIG. 6D The exemplary scannable temporary abutment 20 shown corresponds to FIG. 5A to FIG. 5F The scannable temporary abutment 20 is shown, except that the scannable member is not an integral part of the scannable temporary abutment 20 . FIG. 6A to FIG. 6D The top 23 of the exemplary scannable temporary abutment 20 is alternatively configured to receive and / or secure FIG. 2A to FIG. 4E Any of the exemplary scannable members shown. The exemplary scannable temporary abutment 20 may be configured to receive and / or fix the scannable member 10 by clamping or screwing the scannable member 10 to the scannable temporary abutment 20. The scannable member 10 may be inserted into the third portion 25C of the through hole 25 of the scannable temporary abutment 20 and may be fixed by a screw and / or by a form-fitting manner, such as by a first protrusion and / or a plurality of sheet-like members engaged with the interior of the through hole 25. In one or more exemplary scannable temporary abutments, the inner surface of the through hole 25 includes a thread configured to engage with a screw for fixing the scannable member 10 to the scannable temporary abutment 20 and / or to a thread arranged on the scannable member 10. The scannable member 10 may, for example, include an external thread, and the scannable temporary abutment 20 may include an internal thread configured to receive the external thread of the scannable member 10. Correspondingly, in one or more exemplary scannable temporary abutments 20 , the scannable member 10 may include internal threads, and the scannable temporary abutment 20 may include external threads configured to receive the internal threads of the scannable member 10 .

[0091] In one or more exemplary scannable temporary abutments, the scannable temporary abutment 20 includes a magnet configured to engage with a magnet disposed on the scannable member 10 for securing the scannable member 10 to the scannable temporary abutment 20. The magnet of the scannable temporary abutment 20 may have a magnetic pole opposite to that of the magnet disposed on the scannable member 10, thereby attracting and securing the scannable member 10 to the scannable temporary abutment 20.

[0092] FIG. 7A to FIG. 7C A kit is shown comprising a scannable member 10 and a screw 30. The scannable member 10 may be clipped onto the screw 30, for example onto the top of the screw 30. The scannable member 10 may be, for example, FIG. 2A to FIG. 2C , FIG. 3A to FIG. 3E and / or FIG. 4A to FIG. 4E The scannable member 10 shown. The through hole 14 extending through the center of the scannable member 10 can provide access for a screwdriver. The screwdriver can therefore access the screw 30, such as the screw head 31, via the hole at the top of the scannable member 10 for tightening the screw to the scannable temporary abutment 20 and / or loosening it. In one or more exemplary kits, the kit can also include the scannable temporary abutment 20.

[0093] FIG. 8A to FIG. 8B A scannable member 10 for determining the position of a dental implant is shown, configured to be clipped onto an abutment, in accordance with one or more embodiments of the present disclosure. FIG. 5A to FIG. 5B The scannable member shown includes a plurality of protrusions, such as a first protrusion 16A and a second protrusion 16B, which are configured to engage with an abutment. The first protrusion 16A and the second protrusion 16B may be referred to herein as clamping protrusions. The first protrusion 16A and the second protrusion 16B are configured to be inserted into a cavity, such as a through hole in an implant socket of an abutment. The first protrusion 16A and the second protrusion 16B are arranged on a base 12 of the scannable member 10, such as on a base portion of the scannable member 10. The size and shape of the plurality of protrusions may be selected so that the protrusions are supported by one or more side walls of the through hole of the abutment, such as radially. The outer diameter of the first protrusion 16A and the second protrusion 16B may be equal to the inner diameter of the through hole. Fig. 8A and Figure 8BIn the exemplary scannable member 10 shown, a plurality of protrusions (e.g., the first protrusion 16A and the second protrusion 16B) are formed as a sheet or wing. A plurality of protrusions (e.g., the first protrusion 16A and the second protrusion 16B) extend in a radial direction around at least a portion of the periphery of the base 12 of the scannable member 10. In other words, the protrusions can be radial protrusions. A plurality of protrusions 16A, 16B can be configured to apply force in a radial direction of the base 12 of the scannable member 10 when inserted into a cavity of a temporary abutment, such as when inserted into a through hole in an implant socket of a temporary abutment, for fixing the scannable member 10 to the abutment. A plurality of protrusions (e.g., the first protrusion 16A and the second protrusion 16B) can be rigid or flexible. The base 12 can be integral with the scannable member 10, or can be releasably connected to the body 11 of the scannable member 10. By releasably connecting the base 12 to the body 11, multiple bases 12 and / or bodies 11 can be combined to form different scannable temporary abutments 20 and / or scannable members 10, which represent, for example, dental implants configured to be connected to them for use.

[0094] Figure 8B A scannable member 10 is shown having a base 12 releasably connected to a body 11. The base 12 may include a first bottom end 12A configured to cooperate with an implant receptacle of a first dental prosthesis, and a second bottom end 12B configured to cooperate with the body 11 of the scannable member 10, for example, with the bottom end 11B of the body 11 of the scannable member 10. Figure 8B The exemplary base 12 in the embodiment includes an insert 14, which is arranged in the cavity, for example, arranged on the inner surface of the base 12, and is configured to engage with the body 11 of the scannable member 10. The cavity can be arranged on the second end 12B of the base 12, and can be configured to receive the body 11, for example, the bottom end 11B of the body 11. The insert 14 can be a substrate, for example, a substrate made of a polymer, which includes a groove for receiving the base clamping protrusion of the body. As can be seen in Figure 8B As seen in FIG. 1 , the scannable member may include a tool receptacle 17, such as a screw channel, disposed on the top surface 11A of the body 11 of the scannable member. The tool receptacle may be configured to receive a tool, such as a screwdriver, to facilitate connection of the scannable member to the abutment, such as for inserting the scannable member 10 into the cavity of the abutment. The tool receptacle may have a star shape (e.g., a plum blossom shape), a hexagonal shape, a Philips shape, a groove socket shape, a wing shape (e.g., a tri-wing shape), a square shape, and / or a clutch shape.

[0095] Fig. 9 The main body 11 of the scannable member 10 according to one or more embodiments of the present disclosure is shown. The main body 11 is configured to be used with a base, such as FIG. 5A to FIG. 5BThe main body 11 is configured to be connected to the base (eg FIG. 5A to FIG. 5B The base 12) in the housing can be releasably connected. Fig. 9 The exemplary scannable member of the present invention includes a base clamping protrusion 19 configured to engage with the base. The base clamping protrusion 19 is arranged on the bottom end 11B of the body 11 of the scannable member 10. The base clamping protrusion 19 extends in the radial direction of the body 11. The base clamping protrusion 19 can be arranged around at least a portion of the periphery of the body 11. In one or more exemplary bodies, for example, Fig. 9 In the exemplary body 11 shown, the base clamping protrusion 19 can be formed as a collar extending around the entire circumference of the body 11 at the bottom end 11A of the body 11. The base can include a corresponding groove for receiving the base clamping protrusion 19, such as a body clamping groove. The body 11 can be releasably connected to the base by inserting the body 11 into the base until the base clamping protrusion 19 engages the body clamping groove. The base clamping protrusion 19 can be hollow or solid. The size and shape of the base clamping protrusion 19 can be selected so that the base clamping protrusion 19 is supported by one or more side walls of the base 12. The outer diameter of the base clamping protrusion 19 can be, for example, equal to the inner diameter of the base 12.

[0096] FIG. 10A to FIG. 10C An exemplary scannable member 110 according to the present disclosure is shown. The scannable member 110 includes an exemplary body 111, an exemplary base 112, and a position indicator 15. The position indicator 15 may be a cutout, such as an L-shaped cutout, in the body 111 of the scannable member. Fig. 10A 1 is a top view viewed in the direction of the first bottom end 12A of the base of the scannable member 110 . Fig. 10B is a first side view of scannable member 10 viewed in a direction perpendicular to position indicator 15 . Fig. 10C is a second side view of scannable member 110 viewed in the direction of position indicator 15. In one or more embodiments, position indicator 15 can be a cutout in body 111 such that first surface 15A of position indicator 15 is parallel to longitudinal axis 8 of scannable member 110. Position indicator can also include second surface 15B that is disposed substantially perpendicular to first surface 15A and / or longitudinal axis 8 of scannable member 110. Exemplary scannable member 110 can be configured for use with a 4.6 mm diameter platform for dental implants. FIG. 10A to FIG. 10C The outer diameter φ of an exemplary scannable member 外 (For example, the outer diameter of the body 111) can be in the range of 4.0mm-5.0mm, for example, in the range of 4.2mm-4.7mm, for example, in the range of 4.45mm-4.55mm, for example, in the range of 4.49mm-4.51mm, for example, 4.5mm. FIG. 10A to FIG. 10C The length L of the exemplary body 111 is 主体 The positioning indicator 15 arranged in the body 111 may have a length L starting from the top end 11A. PI , the length is in the range of 4.8 mm-5.2 mm, for example, in the range of 4.9 mm-5.1 mm, for example, 4.97 mm-5.03 mm. The width W of the body 111 from the positioning indicator 15 along the direction perpendicular to the surface of the positioning indicator at the widest part of the body 111 is PI The length L of the base 12 may be in the range of 3.8 mm to 4.2 mm, for example, in the range of 3.9 mm to 4.1 mm, for example, in the range of 3.99 mm to 4.01 mm. 底座 It may be in the range of 1.8 mm-2.0 mm, for example, in the range of 1.85 mm-1.95 mm. The base 112 may include a first portion 107 and a second portion 109. The second portion 109 extends between the second end 12B of the base 112 and the first portion 107. The first portion 107 extends between the first bottom end 12A of the base 112 and the second portion 109. FIG. 10A to FIG. 10C In the exemplary base 112 shown, the second portion 109 has a substantially cylindrical shape, for example, with a peripheral surface substantially parallel to the longitudinal axis 8 of the scannable member 110. The first portion 107 has an inclined peripheral surface, which is inclined at an angle α1 relative to the longitudinal axis 8, which is in the range of 20 degrees to 24 degrees, for example, in the range of 21 degrees to 23 degrees, for example, in the range of 21.66 degrees to 22.34 degrees. Therefore, the base 112 can have a conical shape. The outer width W of the base 112 of the exemplary scannable member 110 is 底座_外 The inner width W of the base 112 of the exemplary scannable member 110 may be in the range of 3.8 mm to 4.2 mm, such as in the range of 3.9 mm to 4.1 mm, such as in the range of 3.98 mm to 4.02 mm. 底座_内 The base 112 of the exemplary scannable member 110 may also include a threaded hole 106 disposed on a first end 112A of the base 112 for receiving a screw for fixing the scannable member 110 to the abutment. The threaded hole 106 is disposed on the first bottom end 12A of the base 112. The threaded hole 106 may have a length Lth , for example, along the longitudinal axis 8 of the scannable member, which is in the range of 2.9 mm-3.1 mm, for example, in the range of 2.95 mm-3.05 mm. The thread of the threaded hole 106 may have a diameter M1.4. The total length L of the scannable member 110 is tot It may be in the range of 9.5 mm - 10.3 mm, such as in the range of 9.7 mm - 10.1 mm, such as in the range of 9.8 mm - 10 mm, such as 9.9 mm.

[0097] FIG. 11A to FIG. 11C An exemplary scannable member 210 according to the present disclosure is shown. The scannable member 210 includes an exemplary body 211, an exemplary base 212, and a position indicator 15. The position indicator 15 may correspond to FIG. 10A to FIG. 10C Position indicator shown. Fig.11A 1 is a top view viewed in the direction of the first bottom end 12A of the base 212 of the scannable member 10 . Fig. 11B is a first side view of scannable member 210 viewed in a direction perpendicular to position indicator 15 .

[0098] Fig. 11C 1 is a second side view of the scannable member 210 viewed in the direction of the position indicator 15. The exemplary scannable member 210 may be configured for use with a 4.8 mm diameter platform for a dental implant. The body 211 of the exemplary scannable member 210 corresponds to FIG. 10A to FIG. 10C The body 111 of the scannable member is shown. In other words, the size φ of the body 211 is 外 , L 主体 , W PI and L PI Can correspond to about FIG. 10A to FIG. 10C The body 210 may include a collar 213 disposed at a bottom end 211B of the body 211. The collar may provide a positioning surface for the scannable member in the longitudinal direction. When the scannable member 210 is correctly positioned in the abutment, the collar 213 may abut the surface of the abutment. The diameter φ of the collar 213 is 轴环 It may be in the range of 4.75 mm to 4.85 mm, for example, in the range of 4.78 mm to 4.82 mm. The length L of the collar 213 轴环It can be in the range of 0.4mm-0.6mm, for example in the range of 0.45mm-0.55mm, for example 0.5mm. However, the base 212 differs from the base 211 in that the first part 207 and the second part 209 of the base 212 are both inclined, so that they are arranged at corresponding angles α2 and α3 relative to the longitudinal axis 8 of the scannable member 210. The first part 207 is arranged at an angle α2 relative to the longitudinal axis 8, wherein the angle α2 is in the range of 40 degrees to 50 degrees, for example in the range of 42 degrees to 48 degrees, for example in the range of 44 degrees to 46 degrees, for example 45 degrees. Therefore, the base 212 can have a conical shape. The first part 207 can have a length L fs , for example, along the extension of the longitudinal axis 8, the length is in the range of 0.4 mm-0.6 mm, for example 0.5 mm. The second portion 209 may have a length L ss , for example, along the extension of the longitudinal axis 8, the length is in the range of 2.0 mm-2.3 mm, for example, in the range of 2.1 mm-2.2 mm, for example, in the range of 2.14 mm-2.16 mm. The second portion 209 is arranged at an angle α3 relative to the longitudinal axis 8, wherein the angle α3 is in the range of 20 degrees-23 degrees, for example, in the range of 21 degrees-22 degrees, for example, in the range of 21.4 degrees-21.6 degrees. The base 212 has an outer diameter φ at its widest part, here at the second end 12B of the base 212 底座_外 , the outer diameter is in the range of 3.8 mm-4.2 mm, for example in the range of 3.9 mm-4.1 mm, for example 4 mm. The base 212 has an inner diameter φ at its narrowest portion, here at the first end 212A of the base 212. 底座_内 The inner diameter is in the range of 3.8 mm to 4.2 mm, for example, in the range of 3.9 mm to 4.1 mm, for example, 4 mm. The total length L of the scannable member 210 is tot The base 212 of the exemplary scannable member 210 may also include a threaded hole 206 arranged to receive a screw for fixing the scannable member to the abutment. The threaded hole 206 is arranged on the first end 212A of the base 212. The threaded hole 206 may have a length L th , for example extending along the longitudinal axis 8 of the scannable member, the length is in the range of 2.1 mm - 2.3 mm, for example in the range of 2.15 mm - 2.25 mm, for example 2.2 mm. The thread of the threaded hole 116 may have a diameter of M1.4.

[0099] Fig.124 shows a block diagram of an exemplary scanner 400 (e.g., an intraoral scanner) according to the present disclosure. The scanner 400 includes a memory circuit 401, a processor circuit 402, an imaging circuit 403, and an interface 404. The interface 404 may be a wired interface or a wireless interface. The scanner 400 may be configured to perform Figure 1A In other words, the scanner 400 can be configured to prepare a dental prosthesis.

[0100] The scanner 400 is configured to perform a first scan of a plurality of scannable temporary abutments of respective scannable members disposed on respective dental implants.

[0101] The scanner 400 is configured to perform a second scan of the transitional prosthesis disposed on a plurality of scannable temporary abutments including corresponding scannable components.

[0102] The scanner 400 is configured to generate a model of the final prosthesis based on the first scan and the second scan using computer-aided design (CAD) software.

[0103] In one or more exemplary scanners, the interface 404 is configured for wired or wireless communication with a computer running CAD software or with a computer-controlled manufacturing tool used to produce the final prosthesis.

[0104] The scanner 400 is configured to send information allowing the computer-controlled manufacturing tool to produce the final prosthesis, such as manufacturing instructions for manufacturing the final prosthesis, to the computer-controlled manufacturing tool, such as via the interface 404. The manufacturing instructions may include data indicating a model of the final prosthesis.

[0105] Processor circuit 402 is optionally configured to perform Figure 1A The operations of the scanner 400 may be embodied in the form of an executable logic routine (e.g., lines of code, software program, etc.) stored on a non-transitory computer-readable medium (e.g., memory circuit 401) and executed by the processor circuit 402 and / or the imaging circuit 403.

[0106] Furthermore, the operations of the scanner 400 may be considered as methods that the scanner 400 is configured to perform. Also, although the functions and operations described may be implemented in software, such functions may also be performed via dedicated hardware or firmware, or some combination of hardware, firmware and / or software.

[0107] The memory circuit 401 may be one or more of a buffer, a flash memory, a hard drive, a removable medium, a volatile memory, a non-volatile memory, a random access memory (RAM), or other suitable devices. In a common arrangement, the memory circuit 401 may include a non-volatile memory for long-term data storage and a volatile memory used as a system memory for the processor circuit 402. The memory circuit 401 may exchange data with the processor circuit 402 via a data bus. There may also be control lines and an address bus ( Fig.12 Memory circuit 401 is considered a non-transitory computer-readable medium.

[0108] The memory circuit 401 may be configured to store the first scan data, the second scan data, the model of the final prosthesis, and / or manufacturing instructions in a portion of the memory.

[0109] Fig.13 A block diagram of an exemplary computer-controlled manufacturing tool 500, such as a 3D printer, lathe, and / or casting machine, according to the present disclosure is shown. The computer-controlled manufacturing tool 500 includes a memory circuit 501, a processor circuit 502, and an interface 503. The interface 503 may be a wired interface or a wireless interface. The computer-controlled manufacturing tool 500 may be configured to perform Figure 1A In other words, the computer-controlled manufacturing tool 500 can be configured to prepare a dental prosthesis.

[0110] The computer controlled manufacturing tool 500 is configured to produce a final prosthesis based on the model of the final prosthesis.

[0111] In one or more exemplary scanners, the interface 503 is configured for wired or wireless communication with a computer running CAD software or with a computer-controlled manufacturing tool used to produce the final prosthesis.

[0112] The computer controlled manufacturing tool 500 is configured to receive information allowing the computer controlled manufacturing tool 500 to produce the final prosthesis, such as manufacturing instructions for manufacturing the final prosthesis, from the scanner 400, such as via the interface 503. The manufacturing instructions may include data indicating a model of the final prosthesis.

[0113] Furthermore, the operations of the computer-controlled manufacturing tool 500 may be considered as methods that the computer-controlled manufacturing tool 500 is configured to perform. Also, although the functions and operations described may be implemented in software, such functions may also be performed via dedicated hardware or firmware, or some combination of hardware, firmware, and / or software.

[0114] The memory circuit 501 may be one or more of a buffer, a flash memory, a hard drive, a removable medium, a volatile memory, a non-volatile memory, a random access memory (RAM), or other suitable devices. In a common arrangement, the memory circuit 501 may include a non-volatile memory for long-term data storage and a volatile memory used as a system memory for the processor circuit 502. The memory circuit 501 may exchange data with the processor circuit 502 via a data bus. There may also be control lines and an address bus ( Fig.13 Memory circuit 501 is considered a non-transitory computer-readable medium.

[0115] The memory circuit 501 may be configured to store a model and / or manufacturing instructions for a final prosthesis in a portion of the memory.

[0116] Embodiments of the methods and products (methods, scannable temporary abutments and kits) according to the present disclosure are set out in the following clauses:

[0117] Clause 1A. A method for preparing a dental prosthesis, the method comprising:

[0118] - arranging a plurality of scannable temporary abutments including respective scannable members on respective dental implants (S101),

[0119] - performing a first scan on a plurality of scannable temporary abutments including corresponding scannable members (S103),

[0120] - arranging the transitional prosthesis on the dental implant using a plurality of scannable temporary abutments including corresponding scannable components (S105),

[0121] - performing a second scan of the transitional prosthesis arranged on a plurality of scannable temporary abutments comprising corresponding scannable components (S107), and

[0122] - Generate a model of the final prosthesis using computer-aided design (CAD) software based on the first scan and the second scan (S109).

[0123] Clause 1B. A method for preparing a dental prosthesis, the method comprising:

[0124] - performing a first scan (S103) of a plurality of scannable temporary abutments including respective scannable members arranged on respective dental implants,

[0125] - performing a second scan of the transitional prosthesis arranged on a plurality of scannable temporary abutments comprising corresponding scannable components (S107), and

[0126] - Generate a model of the final prosthesis using computer-aided design (CAD) software based on the first scan and the second scan (S109).

[0127] Clause 2. The method of clause 1B, wherein the method comprises:

[0128] - Arranging a plurality of scannable temporary abutments including respective scannable members on respective dental implants (S101).

[0129] Clause 3. A method according to clause 1B or 2, wherein the method comprises:

[0130] - Arranging the transitional prosthesis on the dental implant using a plurality of scannable temporary abutments comprising respective scannable components (S105).

[0131] Clause 4. A method according to any one of the preceding clauses, wherein the method comprises:

[0132] - Producing a final prosthesis based on the model of the final prosthesis (S111).

[0133] Clause 5. The method according to clause 1A or 2, wherein arranging a plurality of scannable temporary abutments including respective scannable members (S101) comprises arranging the scannable members on respective temporary abutments of the plurality of temporary abutments (S101A).

[0134] Clause 6. The method of clause 5, wherein arranging the scannable member on a corresponding temporary abutment of the plurality of temporary abutments (S101A) comprises screwing the scannable member onto the corresponding temporary abutment (S101AA).

[0135] Clause 7. The method of clause 5, wherein arranging each scannable member on a corresponding temporary abutment of the plurality of temporary abutments (S101A) comprises clamping the scannable member onto the corresponding temporary abutment (S101AB).

[0136] Clause 8. A method according to any one of the preceding clauses, wherein the method comprises:

[0137] - Removing each scannable member from a corresponding scannable temporary abutment of the plurality of scannable temporary abutments (S108).

[0138] Clause 9. The method of clause 8, wherein removing (S108) comprises unscrewing each scannable member (S108A) from a corresponding scannable temporary abutment of the plurality of scannable temporary abutments.

[0139] Clause 10. The method of clause 8, wherein removing (S108) comprises loosening each scannable member from a corresponding scannable temporary abutment of the plurality of scannable temporary abutments (S108B).

[0140] Clause 11. The method of clause 8, wherein the scannable member is integral with the scannable temporary abutment, and wherein removing (S108) comprises machining the scannable member of the corresponding scannable temporary abutment (S108C).

[0141] Clause 12. The method according to any of the preceding clauses, wherein arranging the transitional prosthesis on the dental implant (S105) comprises embedding a plurality of scannable temporary abutments into the transitional prosthesis (S105A).

[0142] Clause 13. The method of any of the preceding clauses, wherein generating the model (S109) comprises aligning the position of each scannable member from the first scan with the position of each corresponding scannable member from the second scan.

[0143] Clause 14. A scannable temporary abutment for determining a position of a dental implant, the scannable temporary abutment comprising a temporary abutment and a scannable member, the scannable temporary abutment being configured to be mounted to the dental implant.

[0144] Clause 15. The scannable temporary abutment of Clause 14, wherein the scannable member has a cylindrical shape.

[0145] Clause 16. A scannable temporary abutment according to clause 14 or 15, wherein the scannable member has a planar surface extending from a top surface of the scannable member to a side surface of the scannable member at a first angle to a longitudinal axis of the scannable member.

[0146] Clause 17. The scannable temporary abutment of any one of Clauses 14 to 16, wherein the scannable member comprises an etched surface.

[0147] Clause 18. The scannable temporary abutment of any one of Clauses 14 to 17, wherein the scannable member comprises a base configured to clip onto the temporary abutment.

[0148] Clause 19. The scannable temporary abutment of Clause 18, wherein the base of the scannable member is configured to receive the temporary abutment.

[0149] Clause 20. The scannable temporary abutment of clause 18 or 19, wherein the base of the scannable member comprises a plurality of sheet-like members configured to engage the temporary abutment.

[0150] Clause 21. The scannable temporary abutment of Clause 18, wherein the base of the scannable member comprises a magnet configured to magnetically connect the scannable member to the temporary abutment.

[0151] Clause 22. The scannable temporary abutment of any one of Clauses 14 to 17, wherein the scannable member is configured to be screwed onto the temporary abutment.

[0152] Clause 23. The scannable temporary abutment of Clause 22, wherein the scannable member includes a through hole configured to receive a screw for securing the scannable member to the temporary abutment.

[0153] Clause 24. The scannable temporary abutment of Clause 22, wherein the scannable member comprises threads for threading the scannable member into the temporary abutment.

[0154] Clause 25. The scannable temporary abutment according to any one of clauses 14 to 24, wherein the length of the temporary abutment is in the range of 5 mm - 14 mm.

[0155] Clause 26. A kit comprising a scannable member and a screw for securing the scannable member to a temporary abutment.

[0156] The use of the terms "first", "second", "third" and "fourth", "primary", "secondary", "tertiary", etc. does not imply any particular order, but is included to distinguish between individual elements. In addition, the use of the terms "first", "second", "third" and "fourth", "primary", "secondary", "tertiary", etc. does not indicate any order or importance, but rather the terms "first", "second", "third" and "fourth", "primary", "secondary", "tertiary", etc. are used to distinguish one element from another. It should be noted that the words "first", "second", "third" and "fourth", "primary", "secondary", "tertiary", etc. are used here and elsewhere for labeling purposes only and are not intended to represent any particular spatial or temporal ordering. In addition, the labeling of a first element does not imply the presence of a second element, and vice versa.

[0157] It can be understood that Figures 1 to Fig. 9 The features or operations shown with solid lines and some circuits, components, features or operations shown with dotted lines may be included. The operations included with solid lines are the features or operations included in the most extensive embodiments. The features or operations included with dotted lines are embodiments that may be included in the features or operations of the solid line embodiments, or are a part of the features or operations of the solid line embodiments, or are other features or operations that can be adopted outside the features or operations of the solid line embodiments. It should be understood that these operations do not need to be performed in the order presented. In addition, it should be understood that not all operations need to be performed. Exemplary operations can be performed in any order and in any combination. It should be understood that these operations do not need to be performed in the order presented. The features or operations included with dotted lines may be considered optional.

[0158] Other operations not described herein may be incorporated into the exemplary operations. For example, one or more additional operations may be performed before, after, simultaneously, or between any of the operations described.

[0159] Certain features discussed above as separate implementations may also be implemented in combination as a single implementation. Conversely, features described as single implementations may also be implemented in multiple implementations individually or in any suitable subcombination. Furthermore, although features may be described above as functioning in certain combinations, one or more features from a claimed combination may in some cases be deleted from that combination, and the combination may be claimed as any subcombination or variation of any subcombination.

[0160] It should be noted that the word "comprising" does not necessarily exclude the presence of other elements or steps than those listed.

[0161] It should be noted that the word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements.

[0162] It should also be noted that any reference signs do not limit the scope of the claims, that embodiments may be implemented at least in part by both hardware and software, and that several "devices", "units" or "means" may be represented by the same item of hardware.

[0163] As used herein, language of degree, for example, the terms "approximately," "about," "generally," and "substantially" as used herein represent values, amounts, or characteristics that are close to the value, amount, or characteristic that still performs the desired function or achieves the desired result. For example, the terms "approximately," "about," "roughly," and "substantially" may refer to an amount within less than or equal to 10%, within less than or equal to 5%, within less than or equal to 1%, within less than or equal to 0.1%, and within less than or equal to 0.01% of the amount. If the amount is 0 (e.g., nothing, none), the above range may be a specific range and not within a specific percentage of the value.

[0164] Although features have been shown and described, it will be understood that they are not intended to limit the claimed disclosure, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the scope of the claimed disclosure. Accordingly, the specification and drawings should be regarded as illustrative rather than restrictive. The claimed disclosure is intended to cover all alternatives, modifications and equivalents.

Claims

1. A method for preparing a dental prosthesis, the method comprising: - performing a first scan (S103) of a plurality of scannable temporary abutments including respective scannable members arranged on respective dental implants, - performing a second scan on the transitional prosthesis arranged on said plurality of scannable temporary abutments comprising respective scannable members (S107), and - Generating a model of the final prosthesis using computer-aided design (CAD) software based on the first scan and the second scan (S109).

2. The method according to claim 1, wherein: The method comprises: - arranging the plurality of scannable temporary abutments including respective scannable members on respective dental implants (S101).

3. The method according to claim 1 or 2, wherein: The method comprises: - arranging a transitional prosthesis on said dental implant using said plurality of scannable temporary abutments comprising respective scannable components (S105).

4. A method according to any one of the preceding claims, wherein: The method comprises: - producing the final prosthesis based on the model of the final prosthesis (S111).

5. The method according to claim 2, wherein: The placing (S101) includes placing the scannable member on a corresponding temporary abutment among the plurality of temporary abutments (S101A).

6. The method according to claim 5, wherein: Arranging the scannable member on a corresponding temporary abutment among the plurality of temporary abutments (S101A) comprises: - Screwing the scannable member onto the corresponding temporary abutment (S101AA).

7. The method according to claim 5, wherein: Arranging the scannable member on a corresponding temporary abutment among the plurality of temporary abutments (S101A) comprises: - Clamping the scannable member onto the corresponding temporary abutment (S101AB).

8. A method according to any one of the preceding claims, wherein: The method comprises: - removing each of the scannable members from a corresponding scannable temporary abutment of the plurality of scannable temporary abutments (S108).

9. The method according to claim 8, wherein: The removing (S108) includes unscrewing each of the scannable members (S108A) from a corresponding scannable temporary abutment of the plurality of scannable temporary abutments.

10. The method according to claim 8, wherein: The removing (S108) includes loosening each of the scannable members from a corresponding scannable temporary abutment of the plurality of scannable temporary abutments (S108B).

11. The method according to claim 8, wherein: The scannable member is integral with the scannable temporary abutment, and wherein removing (S108) includes machining the scannable member of the corresponding scannable temporary abutment (S108C).

12. A method according to any one of the preceding claims, wherein: Arranging the transitional prosthesis on the dental implant (S105) includes embedding the plurality of scannable temporary abutments into the transitional prosthesis (S105A).

13. A method according to any one of the preceding claims, wherein: Generating the model (S109) includes aligning the position of each scannable component from the first scan with the position of each corresponding scannable component from the second scan.

14. A scannable temporary abutment for determining a position of a dental implant, the scannable temporary abutment comprising a temporary abutment and a scannable member, the scannable temporary abutment being configured to be mounted to the dental implant.

15. The scannable temporary abutment according to claim 14, wherein: The scannable member has a cylindrical shape.

16. The scannable temporary abutment according to claim 14 or 15, wherein: The scannable member has a planar surface extending from a top surface of the scannable member to a side surface of the scannable member at a first angle to a longitudinal axis of the scannable member.

17. The scannable temporary abutment according to claim 14 or 15, wherein: The scannable member has a planar surface extending from a top surface of the scannable member parallel to a longitudinal axis of the scannable member.

18. The scannable temporary abutment according to any one of claims 14 to 17, wherein: The scannable member includes an etched surface.

19. The scannable temporary abutment according to any one of claims 14 to 18, wherein: The scannable member includes a base configured to be clipped onto the temporary abutment.

20. The scannable temporary abutment according to claim 19, wherein: The base of the scannable member includes a plurality of flaps configured to engage the temporary abutment.

21. The scannable temporary abutment according to claim 19, wherein: The base of the scannable member includes a magnet configured to magnetically connect the scannable member to the temporary abutment.

22. The scannable temporary abutment according to any one of claims 14 to 18, wherein: The scannable member is configured to be screwed onto the temporary abutment.

23. The scannable temporary abutment according to claim 22, wherein: The scannable member includes a through hole configured to receive a screw for securing the scannable member to the temporary abutment.

24. The scannable temporary abutment according to claim 22, wherein: The scannable member comprises threads for threading the scannable member into the temporary abutment.

25. A kit comprising a scannable member and a screw for securing the scannable member to a temporary abutment.

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