128 results about "Impressions materials" patented technology

The disclosure relates to a method for improving digital dentistry including: providing a 3D digital impression of a craniofacial anatomy; the digital impression described in terms a plurality of cells, providing a database of a plurality of dental procedures and their corresponding criteria for allowing applicability; analyzing the cells with respect to the criteria; determining, in response to the analysis, which of the dental procedures the digital impression is usable for and which of the dental procedures the digital impression is not usable for.

An improved dental impression tray system provides a way to accommodate multiple arch sizes. The tray is adjustable and has an anterior section with two distal ends and a posterior section with two distal ends. The two sections are connected together at their distal ends. A mesh membrane extends between the sections to maintain the impression material. The ends of the posterior section include a plurality of vertical pins and a vertical opening is located adjacent each distal end of said anterior section. To adjust the size of the tray, the distal ends of the anterior section can be disconnected from said distal ends of the posterior section and then reconnected by inserting the pins into the opening. Further size adjustments can be made by removing additional pins and inserting the next remaining pins into the openings.

An impression system is disclosed for enabling the creation of dentures in one-visit. The impression system may include an upper impression tray, an upper wax bite registration coupled to the upper impression tray, a lower impression tray, a lower wax bite registration coupled to the lower impression tray, and one or more arc-shaped wax plates configured to be coupled to at least one of the upper or lower wax bite registrations. Each of the upper and lower impression trays may include a convex outer surface and a concave inner surface with the associated wax bite registration coupled to the convex outer surface. The one or more arc-shaped wax plates may be configured to adjust distance between the concave inner surfaces of the upper and lower impression trays, generally associated with an occlusal vertical dimension of the patient.

The utility model provides a dental tray, which is used for preparing an initial impression of an edentulous jaw, and comprises a body provided with a plurality of through holes used for fixing impression materials; the handle is connected with the body; wherein the body is similar to an anatomical part in an oral cavity in shape. According to the utility model, the applicability, the generality and the accuracy of the preparation of the primary impression of most patients with toothless complete mouths can be improved.

The invention relates to an impression for repairing a complete denture, the complete denture and a preparation method. The impression terminator capable of being used for controlling the thickness of the impression material is designed by adopting computer modeling software, and the thickness of the impression material is limited by designing a bulge structure which is matched with the shape of an intraoral mucosa and has a certain thickness on an individual tray tissue surface, so that the intraoral impression of a patient has uniform thickness; the preparation precision of the edentulous jaw final impression is ensured; meanwhile, the individual tray and the diagnosis denture are designed into an integrated structure, so that a doctor can be assisted in acquiring the occlusion relation of a patient while the edentulous jaw final impression is acquired, the two steps of preparing the final impression and recording the jaw position relation in the traditional process are combined into one step, the clinical process is simplified, and the working efficiency is improved. And the experience dependence and the technical sensitivity of the operation process are reduced, so that the accuracy of the two key steps in the edentulous jaw repair process is improved.

A dental implant-retained record base device and methods of fabricating thereof are provided, and a method for obtaining an interocclusal record. The method involves inserting an impression post into a dental implant in a partially-dentate patient and capturing a dental impression to obtain a dental cast inclusive of the impression post. A light-curable resin is molded into a cubic shape and subsequently attached to the dental cast at position of the impression post. Upon exposure to visible light, the resin is cured to form a record base device, which is then adjusted to facilitate the positioning of interocclusal record material. The dental implant-retained device constructed from the light-cured resin is configured for attachment to the dental implant for obtaining the interocclusal record for the patient.

An intraoral device includes a shell form including a top surface, a bottom surface, an arcuate anterior edge, a posterior edge and a nominal depth between the top and bottom surfaces thereof, an arcuate channel formed within the shell form along the anterior edge, open at the top surface, the channel including dental impression material enabled by process to accept a plurality of maxillary anterior teeth of a user forming a mold, a bottom plate assembled to the bottom surface of the shell form may be interchangeable, the bottom plate conforming to the peripheral shape of the shell form, the bottom plate hosting at least one incline angle on the bottom surface thereof.

A method for optical intraoral imaging of oral anatomical structures via an intraoral scanner, the method comprising providing initial data related to the oral anatomical structures and / or the intraoral scanner, using the initial data to calculate the number of intraoral images to be captured via the intraoral scanner, obtaining the number of intraoral images at a given location in the oral anatomical structure via the intraoral scanner, and rendering a two-dimensional intraoral image that is more optimally exposed from at least one of the obtained intraoral images and the initial data, or from a plurality of the obtained intraoral images. The present teachings also relate to a system, a dental scanner, a software product, a use, and a storage medium.

Systems and methods are provided for scanning a dental impression to obtain a digital model of a patient's dentition as an input to computer aided design (CAD) and computer aided manufacturing (CAM) methods for producing dental prostheses. Systems and methods are provided for scanning a physical impression of a patient's dentition and constructing a virtual surface image of the patient's dentition from the scan data thereby obtained. The virtual surface image of the patient's dentition is constructed using isosurfaces and density gradients of a volumetric image and then directly creating a surface image based upon void spaces that correspond to the patient's dentition.

The utility model belongs to the technical field of dentistry, and particularly relates to an automatic dental alginate impression material distributing device which comprises a shell, a weighing sensor is fixedly connected to the bottom of the inner wall of the shell, two positioning blocks are fixedly connected to the top of the weighing sensor, a tray is fixedly connected to the tops of the positioning blocks, and the tray is fixedly connected to the bottom of the shell. A button is fixedly connected to the bottom of the tray, a buzzer is fixedly connected to the top of the weighing sensor, a detachable plate is clamped to the side face of the shell, a pretreatment device used for crushing large materials in advance is arranged at the top of the shell, and the pretreatment device comprises a pretreatment box. The pretreatment box penetrates through and is fixedly connected to the top of the shell, and a rotating shaft is rotationally connected to the top of the inner wall of the pretreatment box. The problems that large materials cannot be crushed, a discharge port can be blocked, manual intervention is needed for cleaning and screening, time is wasted, and the material distribution efficiency is low are solved.

The utility model relates to the technical field of dental implants, and discloses a dental implant mold taking device which comprises a tray main body, extension plates are connected in the tray main body in a sliding manner, the extension plates are symmetrically distributed, a pressing groove is formed in one side of each extension plate, an elastic spring is fixedly connected in each pressing groove, and the elastic springs are fixedly connected in the tray main body. The two sides of the tray body are each provided with a plurality of pop-up openings, one side of each elastic spring is fixedly connected with a pressing block, and the interiors of the pressing grooves and the pop-up openings are slidably connected with the pressing blocks. According to the dental implant mold taking device, through the arrangement that the size of the tray main body can be conveniently adjusted, the tray main body can be suitable for more gingiva with different sizes during use, so that the tray main body is more accurate during dental implant mold taking of a patient, and uniform distribution of an impression material can be ensured; therefore, the accuracy and the efficiency during dental implant mold taking are effectively improved.

1. Name of the product in this design: Digital Impression Apparatus for Oral Cavity. 2. Purpose of this design: To collect data and obtain three-dimensional morphological data of oral cavity or dental models. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to the technical field of dental medical treatment, and discloses a dental tray which comprises a rigid plastic tray, a demolding mechanism and a clamping mechanism. According to the dental tray, a slidable and detachable mechanism is designed so that the bottom plate can be separated from the rigid plastic tray, impression materials solidified on the bottom plate can be separated from the tray by rotating the threaded rod, and the process comprises the steps that when the threaded rod rotates, the guide blocks move along the guide rails; the bottom plate is pushed to gradually slide out of the mounting groove formed in the inner wall of the tray, so that materials subjected to impression are taken out together, a threaded rod locking mechanism and the guide supporting effect of the mounting groove are designed, the situation that the materials displace in the impression process is effectively prevented, in addition, the tray is further specially provided with a clamping mechanism, and the clamping mechanism is convenient to use. According to the tray, the guide blocks and the bottom plate can be quickly disassembled and assembled, so that the bottom plate is replaceable, smooth demolding is ensured, and the practicability and convenience of the tray are improved.

The invention relates to an optical impression-capturing device that is capable of capturing images for the three-dimensional reconstitution of a dental object representing at least part of at least one dental arch, the device comprising: in a support part of the dental impression tray type suitable for at least partially covering the dental object, an optical assembly having: - a light-emitting system comprising light sources (3') for illuminating the dental object; - optical modules (1) having light-measuring sensors distributed in a bottom wall (4) of the support part oriented, during image capture, towards the dental object, the optical modules (1) being capable of capturing the direct light rays emitted by the light-emitting system and indirect light rays originating from the optical assembly and from the dental object; and also means (2) for protecting the optical modules (1) that allow the passage of light rays.

The utility model relates to an oral cavity digital impression instrument (1) based on an optical-mechanical system. The oral cavity digital impression instrument comprises a core component (10); a lighting member (20) provided at one end of the core member (10); and a base member (30) provided at the other end of the core member (10), the base member (30) being equipped with a protective window (31), the core member (10) and the base member (30) being integrally formed. According to the utility model, the optical-mechanical integrated design scheme is adopted, so that the possibility that liquid enters the inner cavity of the protection window from the engine base part and the core part is fundamentally avoided, and the problem that the protection window fogs when the humidity is changed is solved.

The invention discloses an elastomer impression material as well as a preparation method and application thereof, and relates to the technical field of impression materials. The elastomer impression material comprises a primary impression and a light body, wherein the primary impression and the light body respectively comprise a polysiloxane compound, hydrogen-containing silicone oil, a catalyst, a filler, a pigment and a fluorescent pigment. The marking efficiency of the light body in the indicating process is improved through cooperation of the pigment and the fluorescent pigment, the marking face is mainly used for marking a large continuous face, the light body is mainly used for marking lines such as gingival lines, pit fissures and palate, the color between the light body and the initial impression and the color tone and effect of fluorescent light are combined, and the marking efficiency of the light body in the indicating process is improved. The positions of gingiva, soft tissue, prepared teeth and the like of the teeth and the transition and boundary of the structure are clearly and accurately marked, the machine learning process is accelerated, and the tedious link of manual marking is omitted. The preparation method is simple, convenient and rapid, the oral cavity diagnosis and treatment efficiency and precision are improved, and a more efficient and more accurate solution is provided for application of artificial intelligence in the dental field.

The utility model belongs to the technical field of medical instruments, and particularly relates to a denture cleaning machine. Comprising a shell, an inner barrel, a power device, a cleaning water supply mechanism, a filtering structure and a water outlet pipe, an outer barrel is obliquely arranged on the upper side of the shell, one side of an opening of the outer barrel is higher than the other side, the inner barrel is rotationally arranged in the outer barrel, a plurality of open holes are formed in the lower side of the inner barrel, and one end of the inner barrel penetrates through the outer barrel to be connected with the power device; an opening of the water collecting tank is formed in the lower side of an opening of the outer barrel, the filtering structure is slidably installed in the water collecting tank and communicated with the water collecting tank, the cleaning water supply mechanism is arranged in the outer barrel and supplies water to the inner barrel, the lower portion of the outer barrel is communicated with the water collecting tank, and the bottom of the water collecting tank is connected with a water outlet pipe. The denture is placed in the inner cylinder capable of rotating, the denture is cleaned by water sprayed by the cleaning water supply mechanism, the denture continuously rotates along with the inner cylinder while being cleaned in the inner cylinder, and the denture collides with the inner cylinder in the rotating process, so that impression materials on the denture are completely cleaned.

The utility model relates to the technical field of oral clinic, and discloses an oral clinic impression material blending device which comprises a base, a stirring kettle fixedly installed on the upper portion of the base, a cover plate installed on the upper portion of the stirring kettle, a movable disc movably installed on the upper surface of the cover plate, and a first motor fixedly installed on the upper surface of the cover plate. A first gear is fixedly installed at the output end of the first motor, a second gear is fixedly installed on the outer side of the movable disc, an auger rod is movably installed on the lower surface of the movable disc, a rotating wheel is fixedly installed at the upper end of the auger rod, and the outer side of the rotating wheel is sleeved with a transmission belt. A stirring rod is fixedly installed on the lower portion of the movable disc. And through the arrangement of the movable disc, the first motor, the first gear, the second gear, an auger rod, a rotating wheel, a second motor, a transmission belt and a stirring rod, stirring can be more uniform, and the production quality of the impression material can be improved.

An impression system (100) is disclosed for enabling the creation of dentures in one‑visit. The impression system (100) may include an upper impression tray (110), an upper wax bite registration (120) coupled to the upper impression tray (110), a lower impression tray(130), a lower wax bite registration (140) coupled to the lower impression tray (130), and one or more arc-shaped wax plates (150) configured to be coupled to at least one of the upper or lower wax bite registrations (120, 140). Each of the upper and lower impression trays (110, 130) may include a convex outer surface (112, 132) and a concave inner surface (114, 134) with the associated wax bite registration (120, 140) coupled to the convex outer surface (112, 132). The one or more arc-shaped wax plates (150) may be configured to adjust a distance between the concave inner surfaces (114, 134) of the upper and lower impression trays (110, 130), generally associated with an occlusal vertical dimension of the patient.

1. The name of the design product: hand grab the dental impression (penguin). 2. The use of the design product: for infants to grind teeth, relieve pain during the teething period, and prevent infants from biting their fingers. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

Provided is an impression material cartridge gasket including: a gasket body that moves up and down along the inner wall surface of a cylinder according to the charging and discharging of a liquid chemical; and a sealing member coupled to the outer circumferential surface of the gasket body. The gasket body includes: a contact jaw that is formed, protruding radially outward, along the height direction of a side wall and contacts the inner wall surface of the cylinder; an air retention groove which is recessed radially inward from the lower portion of the contact jaw and in which air is retained; and an accommodation groove which is recessed radially inward between the upper surface of the gasket body and the contact jaw and to which the sealing member is coupled. At least one air vent hole is provided on a plate surface of the contact jaw in a circumferential direction.

Systems and methods for providing oral devices using at-home dental impression kits are disclosed herein. An example method includes scheduling an at-home dental impression kit to be sent to a user that includes at least (i) one or more dental trays and (ii) one or more sets of dental putty that are configured to capture the gingiva of the user without distorting the gum lines of the user. The example method further includes scanning a first impression that is representative of the user's upper jaw, and a second impression that is representative of the user's lower jaw. The example method further includes generating a digital rendering of an oral device, and uploading the digital rendering to an application for viewing by the user. The example method further includes fabricating the oral device based upon digital rendering, and scheduling the oral device to be sent to the user.

An improved dental impression tray system provides a way to accommodate multiple arch sizes. The tray is adjustable and has an anterior section with two distal ends and a posterior section with two distal ends. The two sections are connected together at their distal ends. A mesh membrane extends between the sections to maintain the impression material. The ends of the posterior section include a plurality of vertical pins and a vertical opening is located adjacent each distal end of said anterior section. To adjust the size of the tray, the distal ends of the anterior section can be disconnected from said distal ends of the posterior section and then reconnected by inserting the pins into the opening. Further size adjustments can be made by removing additional pins and inserting the next remaining pins into the openings.

An impression tray for orthodontics, which is composed of an arc-shaped sheet body capable of fitting with the dental arch space in the labial and buccal sides and the vestibular area, and a handle for supporting the arc-shaped sheet body. The cross-section of the arc-shaped sheet body is C-shaped, and a plurality of holes for temporarily holding impression material are provided on the arc-shaped sheet body. The arc-shaped sheet body has a C-shaped central side surface suitable for covering the lower teeth and the upper teeth simultaneously, and the top wall and the bottom wall of the arc-shaped sheet body are formed in a wavy curved surface manner suitable for the labial and buccal frenum parts. Thus, the impression tray can not only avoid excessive stimulation to the patient, but also is easy to demold, and is convenient for cleaning and disinfection.

The utility model discloses an average value full mouth edentulous tray which comprises an upper jaw tray body, the upper jaw tray body comprises an arc-shaped bottom supporting plate, an arc-shaped opening is formed in the inner ring face of the bottom supporting plate, and a tongue baffle protruding upwards is arranged on the upper end face of the bottom supporting plate along the edge of the arc-shaped opening. The tongue baffle is provided with an overflow hole, a second tongue baffle is arranged in the arc-shaped opening and located below the tongue baffle, and a recycling cavity used for collecting impression materials is defined between the second tongue baffle and the tongue baffle. According to the utility model, the bottom supporting plate and the cheek wall are not provided with holes, only the tongue baffle plate is provided with the overflow hole, the second tongue baffle plate is additionally arranged below the tongue baffle plate, and the recovery cavity for collecting redundant impression materials is formed between the second tongue baffle plate and the tongue baffle plate, so that the redundant impression materials can be prevented from overflowing into the oral cavity of a patient; and the influence of redundant impression materials on the impression can be reduced.

The present invention provides a dental tray for making an initial impression of an edentulous jaw, the dental tray comprising: a body provided with a plurality of through holes for fixing an impression material; the handle is connected with the body; wherein the body is similar to an anatomical part in an oral cavity in shape. According to the method, the applicability, the universality and the accuracy of the preparation of the primary impression of most patients with complete toothless teeth can be improved.

The present invention relates to an impression material cartridge gasket comprising: a gasket body (110) that moves up and down along the inner wall surface of a cylinder according to the charging and discharging of a liquid chemical; and a sealing member (120) that is coupled to the outer circumferential surface of the gasket body (110) and prevents leakage of the liquid chemical. The gasket body (110) includes: a contact jaw (115) that is formed, protruding radially outward, along the height direction of a side wall (113) and contacts the inner wall surface of the cylinder; an air retention groove (114) which is recessed radially inward from the lower portion of the contact jaw (115) and in which air is retained; and an accommodation groove (117) which is recessed radially inward between the upper surface of the gasket body (110) and the contact jaw (115) and to which the sealing member (120) is coupled. At least one air vent hole (119), which is recessed a certain depth toward the accommodation groove (117) and discharges the air retained in the air retention groove (114) to the outside, is provided on a plate surface of the contact jaw (115) in a circumferential direction.

The utility model relates to a composite closed window transfer rod, which is arranged on an implant abutment and comprises an impression transfer cap and an impression transfer main body, the impression transfer cap comprises a fixing part and a connecting part, the fixing part is used for fixing impression materials, and the connecting part is provided with a concave first blind hole; the impression transfer main body comprises a clamping part and a rotary connection part, the clamping part is clamped in the first blind hole to connect the impression transfer cap and the impression transfer main body, and the rotary connection part is in threaded connection with the implant abutment, so that the impression transfer cap and the impression transfer main body are fixedly connected with the implant abutment, and window closing transfer and impression taking during false tooth repair are facilitated. The annular groove between the two layers of flanges of the fixing part of the impression transfer cap has a flow guide function and can be better combined with the impression material, the two flat sections of the two layers of flanges have a positioning function, the impression transfer cap is prevented from rotating in the impression material, displacement of the impression transfer cap is avoided, and the precision of window closing transfer and mold taking is improved.