38 results about "Dental scanning" patented technology

Described herein are apparatuses and methods for confocal 3D scanning. The apparatus can comprise a spatial pattern disposed on a transparent base and a light source configured to provide illumination to the spatial pattern and an optical system comprising projection / imaging optics having one or more lenses and an optical axis. The projecting / imaging optics may be scanned to provide depth scanning by moving along the optical axis.

A method for creating a substantially accurate dental restoration from scanning a negative dental impression of a patient's teeth or a positive dental stone model of the patient's teeth includes applying a compensation rate to compensate for the shrunk or enlarged scan of the patients teeth, to the scan of the patient's teeth using the scanner to create a true dimension working file; the scan of the patient's teeth using a computer system to create a true dimension working file; or a shrunk restoration file of the restoration using a restoration fabricator. A restoration can be designed based on the scan of the patient's teeth and creating a restoration file. The restoration can be fabricated using a restoration fabricator.

A three-dimensional (3D) scanner device for generating a three dimensional (3D) surface model of shaped objects, such as dental structures, applicable for use in the field of dentistry, particularly to dental prosthetics manufacturing. Methods and systems relating to the device are also disclosed.

A three-dimensional (3D) scanner device for generating a three dimensional (3D) surface model of shaped objects, such as dental structures, applicable for use in the field of dentistry, particularly to dental prosthetics manufacturing is described. The scanning device can include a probe head having a particular configuration and utility. Methods and systems relating to the device and components thereof are also disclosed.

The invention provides a novel process for producing a coping and bridge of porcelain teeth. The process is characterized by comprising the steps of manufacturing a patient oral cavity plaster model, and manufacturing a blank by adopting a dental powder metallurgic material; performing 3D scanning to the oral cavity plaster model by utilizing a dental scanner to form a model file; processing the model file in a dental CAD (computer-aided design) software environment to form a dental form design file; milling and grinding the blank by adopting a numerical control processing center according to the dental form file to form the coping and bridge of a porcelain tooth; finally, performing high-temperature solid-phase sintering to form a final porcelain tooth. Compared with the prior art, the novel process provided by the invention has the advantages that the working efficiency is improved, the cost is reduced, energy is saved, and the environment is protected.

The invention relates to the technical field of artificial tooth implantation, and discloses a digital three-dimensional construction and manufacturing method of a personalized implant abutment, whichcomprises the following steps: s100, adjusting an implant interface by wearing a substitute of an implant; s200, designing a scanning rod three-dimensional diagram according to the adjusted plantinginterface, and exporting virtual scanning rod data according to the scanning rod three-dimensional diagram; s300, scanning the implant scanning rod physical model by adopting a dental scanner to obtain actual scanning rod data, and fitting the virtual scanning rod data with the actual scanning rod data to obtain the position of the implant and interface data; s400, designing a personalized map ofthe base station according to the gingival data and the occlusion relationship data in combination with the position of the implant and the interface data, and generating data of the personalized implant base station according to the personalized map of the base station; and S500, carrying out programming operation on the data of the personalized planting base station, controlling a machine tool to carry out processing by using the programming operation, and obtaining the personalized planting base station after the processing is completed. The individuation of the planting base station can berealized.

Dental scan abutment for being assembled and fixed to an implant, provided with an indicator of the radial angular position of the anti-rotation means of the implant. The abutment comprises:a main body provided with the indicator and with means for connection to the implant, andmeans for fixing to the implant formed by a fixing shaft and by an upper head, the lower end of the shaft being a threaded end provided with a thread cutting complementary to the internal cutting of the threaded hole of the implant. The main body is configured for housing and longitudinally displacing the fixing shaft therethrough, the threaded lower end of the shaft being able to be immersed in the interior of the main body or project from the lower section thereof, the complete removal of the fixing shaft by simple longitudinal displacement being prevented by mechanical stop.

Provided herein are apparatuses (e.g., systems) and methods for assisting in generating and segmenting a 3D dental model of a subject's dentition. A 3D dental model may be generated from a dental scan. The apparatuses described herein can determine if the subject has previously undergone a dental or orthodontic treatment, and the 3D dental model can be compared to prior 3D dental models from the previous treatment(s). In some examples, the 3D dental model can be updated or supplemented with data from the prior 3D dental models.

The present invention relates to a dental scanner holding apparatus and a dental scanner system including the same. The apparatus may include a holding unit configured to have a dental scanner held therein, a holding detection unit configured to detect whether the dental scanner has been held in the holding unit, a humidity detection unit configured to detect humidity within the holding unit, a control unit configured to generate a sterilization signal based on a result of the detection of the holding detection unit regarding whether the dental scanner has been held in the holding unit and to generate a dehumidification signal based on the humidity detected by the humidity detection unit, an ultraviolet sterilization unit configured to radiate ultraviolet rays into the holding unit in response to the sterilization signal, and a ventilation unit configured to send air into the holding unit in response to the dehumidification signal.

The invention provides a digital manufacturing method based on a Loactor planting base. The method comprises the steps that a planting work model of the oral cavity of a patient is obtained, scanningis conducted through a dental scanner, remaining tooth information, gum information, jaw tooth information and upper and lower tooth occlusion relation information of the oral cavity of the patient are determined, and scanning rod information of the dental scanner is determined; the remaining tooth information, the gum information, the jaw tooth information, the upper and lower tooth occlusion relation information and the scanning rod information are imported into computer-aided design software with Locator data, and complete design parameters of the Locator planting base are obtained; and thecomplete design parameters are imported into a machine tool, the machine tool is combined with the complete design parameters to conduct cutting machining on a pre-formed planting titanium column pre-configured on the machine tool, and the Locator planting base is obtained.

The invention discloses a digitized metal gingival wall lifting guide plate and a manufacturing method thereof. The technical problems of low operation efficiency and inaccurate assistance of an auxiliary tool in an existing gingival wall lifting surgery are solved. The manufacturing method comprises the following steps that 1, dentition data are obtained through dental scanning equipment, and jawbone data are obtained through dental CBCT equipment; 2, the dentition data and jawbone data are fitted to obtain defective subgingival data, and an anatomical shape of a tooth root is obtained, so that complete data of a defective tooth are obtained; 3, a virtual wax pattern is designed according to the complete data of the defective tooth; 4, on the basis of the virtual wax pattern, a retentionstructure is designed at the defect tooth; 5, a lifting plate is designed at the lower edge of the defective gingiva according to the virtual wax pattern and the anatomical shape of the tooth root; 6,the retention structure is connected with the lifting plate to form the gingival wall lifting guide plate; and 7, 3D printing is carried out on the gingival wall lifting guide plate according to gingival wall lifting guide plate information. The manufacturing method has the advantages of high operation efficiency, good repair effect and the like.

The invention discloses a dental three-dimensional scanner which comprises a base, a fixing frame is arranged on the base, the fixing frame is fixed to the base through a lifting mechanism, a fixing bracket is arranged on the fixing frame, the fixing bracket is sleeved with a horizontal sliding frame facilitating transverse movement, and a scanning head is connected to the outer end of the horizontal sliding frame and can freely rotate at the outer end of the horizontal sliding frame; the scanning head is spherical. According to the dental three-dimensional scanner, in working process, it is convenient to stretch the scanning head into the oral cavity of a patient, and adjust to achieve a suitable depth; the scanning head is spherical, scanning probes are uniformly arranged on the spherical surface of the scanning head, the scanning probes are used for three-dimensional scanning on teeth in the oral cavity; meanwhile, a rotating pull rope is manually pulled, the rotating pull rope drives the scanning head to rotate through a pulley, and the scanning probes on the scanning head can carry out all-around dental scanning on the teeth in the cavity and input the scanning result to a host so as to record and analyze the scanning result of the scanning probes.

The invention discloses a post core removal guiding guide plate and a preparation method therefor. The preparation method comprises the following steps: S1. carrying out CBCT photographing so as to acquire DICOM data on an oral cavity and a broken post of a sufferer, and acquiring a preoperative cast by dental scanning equipment; S2. subjecting the DICOM data and the preoperative cast acquired in the step S1 to fitting, selecting a target post core diameter and length according to a repair principle based on fitting data, and determining a three-dimensional position of the target post core in the DICOM data and the preoperative cast; S3. generating a post core removal guide plate based on the selected post core size and the three-dimensional position; and S4. subjecting the post core removal guide plate generated in the step S3 to 3D printing molding, thereby obtaining the post core removal guiding guide plate. By applying the guide plate disclosed by the invention to post core removal, the problems of the traditional post removal technology that the accuracy is insufficient, deviation from major axis is present, and injury to a tooth body is large can be solved, and the aim of protecting tooth body tissue while rapidly and accurately removing a post is achieved.

Provided herein are apparatuses and methods for generating a panoramic rendering of a subject's teeth. Methods and processes for imaging teeth of a subject using a dental scan are provided. Methods and processes for automatic 3D rendering of teeth of a subject using scanned images are also provided. Methods and apparatus for generating simulated panoramic views of a subject's dentition from various perspectives are also provided.

The invention provides a method for determining virtual articulation from dental scans. The method includes receiving digital 3D models of a person's maxillary and mandibular arches, and digital 3D models of a plurality of different bite poses of the arches. The digital 3D models of the maxillary and mandibular arches are registered with the bite poses to generate transforms defining spatial relationships between the arches for the bite poses. Based upon the digital 3D models and transforms, the method computes a pure rotation axis representation for each bite pose of the mandibular arch withrespect to the maxillary arch. The virtual articulation can be used in making restorations or for diagnostic purposes.

The invention relates to a multifunctional dental scanning system which comprises an emission component, a matching degree extraction device and a rephotographing starting device. The emission component comprises an X-ray tube, an emission dose detection device and an emission dose alarm device, the emission dose detection device is arranged near the X-ray tube, the distance between the emission dose detection device and the X-ray tube is equal to preset length, the emission dose detection device is used for detecting sensed ray radiation quantity and determining corresponding emission dose based on the ray radiation quantity, and the emission dose alarm device is used for transmitting dose standard exceeding signals when the emission dose exceeds limit standards. The matching degree extraction device is used for matching a tooth image pattern with a preset tooth profile to acquire corresponding matching percent, transmitting scanning success signals when the matching percent exceeds limit, otherwise, transmitting scanning failure signals. The rephotographing starting device is used for driving the X-ray tube to execute once more X-ray emission at the same position when receiving the scanning failure signals. By the aid of the multifunctional dental scanning system, functions of a dental scanning device are effectively expanded.

A digital workflow process and associated devices and tools for providing dental restorations and, more particularly, to precise and efficient reconstruction and replacement of teeth using novel digital workflows and improved dental scan bodies, abutments and other dental devices and tools to efficiently achieve a more precise fit and optimal form and function.

The invention relates to a dental scanning rod. The scanning rod is cooperatively connected to an implant placed in the gum and includes a first connecting rod and a second connecting rod; the lower end of the first connecting rod is inserted in the implant, and the second connecting rod is connected between the first connecting rod and the implant and fixedly connects the first connecting rod andthe implant; and the upper end of the first connecting rod is provided with a pointing plate. The beneficial effects of the scanning rod are as follows: through the arrangement of the pointing plate,a first point surface and a second point surface on the first connecting rod, a scanner can clearly scan the position and direction of the scanning rod, so that the position of the implant can be accurately obtained, and the accuracy of implanting teeth can be enhanced; and through the fixation of the first connecting rod on the implant by the second connecting rod, and through the arrangement ofthe pointing plate and an installation port on the first connecting rod, the installation and dismounting of the first and second connecting rods can be more convenient, and tooth implanting efficiency can be enhanced.

The invention provides a digital design and processing method for placing side ball attachments on two sides of a planting rod, and the digital design and processing method comprises the steps: 1, obtaining the three-dimensional size data of a finished side ball, and creating the STL data of the side ball attachments; 2, installing the STL data into an attachment database; 3, scanning by using a dental scanner to obtain tooth information on the implantation work model; 4, generating appearance structure and size data of the implant rod according to the tooth information; 5, calling out side ball STL data, placing the side ball STL data on the two sides of the planting rod respectively and adjusting the side ball STL data to the positions matched with the planting rod to form the planting rod and a side ball attachment body; 6, combining the implant rod and the side ball attachment by using dental software to generate integral STL data; and 7, using CAM software for calculating the overall STL data, and using a machine tool for cutting and forming, so as to complete finished product machining of the side face ball attachment bodies placed on the two sides of the implant.

The present application relates to a dental scanning method, comprising: scanning a dental model according to a preset scanning path to generate a first mesh model; inputting the first mesh model into a preset dental identification model for identification, and obtaining Dental data; searching the dental data for a tooth cavity according to a preset cavity finding algorithm to obtain tooth cavity data; supplementary scanning the dental model according to the tooth cavity data to generate a dental jaw mesh model. The dental scanning method provided by the embodiments of the present application solves the problems of low efficiency and difficult operation of the dental model by intelligently scanning the dental model, and improves the quality of the dental jaw mesh model.

The invention relates to the technical field of dental scanning equipment, in particular to a dental image scanner and an information cloud management system thereof. The interior of the oral cavity of a patient is scanned through a scanning assembly in a shell, image collection is performed on the interior of the oral cavity of the patient, the shell is made to rotate on supports through an adjusting assembly, and therefore, the position, entering the interior of the oral cavity of the patient, of the scanning assembly is adjusted; and the whole equipment can be rotated leftwards and rightwards to be adjusted, the interior of the oral cavity of the patient can be comprehensively scanned, related symptoms of dental performance of the patient can be comprehensively known, and therefore, accurate treatment is performed on the dental portion of the patient.

The invention discloses a dental scanning body comparison mechanism, and particularly relates to the related technical field of dentistry. The dental scanning body comparison mechanism comprises a fixed base, a scanning positioning block and an alcohol treatment mechanism, a bunching mechanism is fixedly mounted on the other side of the upper part of the outer wall of the fixed base, and a bottom supporting block matched with the fixed base is mounted on the upper part of the inner wall of the fixed base. By arranging the wire bunching mechanism, wire ends used by an instrument can be well and correspondingly carded, and a telescopic block is moved to drive a limiting block to correspondingly move on a sliding groove, so that the height of the device can be well and correspondingly adjusted; a second threaded shaft is rotated to drive a second fixing block on a connecting shaft to rotate, so that corresponding rotation adjustment can be well performed on the device and a corresponding to-be-scanned position, and meanwhile, a rolling mechanism is arranged in a matched manner, so that parallel adjustment can be directly performed on the to-be-scanned position; in this way, flexible adjustment of the lifting device can be well achieved.

The present invention provides a method for determining virtual joint motion from a dental scan. The method includes receiving digital 3D models of a person's maxillary and mandibular arches, as well as digital 3D models of a plurality of different occlusal positions of the dental arch. The digital 3D models of the maxillary and mandibular arches are registered with the occlusal posture to produce a transformation of the spatial relationship between the dental arches that define the occlusal posture. Based on the digital 3D model and transformation, the method computes a pure rotational axis representation of each occlusal pose of the mandibular arch relative to the maxillary arch. The virtual articulation can be used for prosthetic purposes or for diagnostic purposes.