170 results about "Dental cast" patented technology

The invention discloses an intelligent design method and system for ultra-thin ceramic false teeth. The intelligent design method comprises the following steps: constructing a two-dimensional template library and a three-dimensional template library, and respectively registering two-dimensional and three-dimensional templates with a three-dimensional dental model of a patient by using a template registration algorithm; after the registration of the three-dimensional template and the three-dimensional dental model of the patient is completed, a veneering three-dimensional model is obtained through Boolean subtraction; calculating the thickness of a marked anatomical region of the veneering three-dimensional model by adopting an SDF (Software Development Function), and if the thicknesses of some regions do not meet clinical requirements, performing thickening and smoothing operation on the veneering three-dimensional model according to a thickness threshold value determined by material physical characteristics and aesthetic veneering types corresponding to the regions; a mark of an inner surface bonding force enhancing area is arranged on a veneering three-dimensional model meeting clinical requirements, and according to the precision required by the veneering three-dimensional model, a method of direct three-dimensional modeling presentation or process fine adjustment is selected, so that manufacturing of a micro-area structure of the marked area is achieved. The veneering three-dimensional model designed by the invention can improve the repair quality and the comfort of a patient.

According to one embodiment of the present invention, the present invention can provide a dental model for dental practice, the dental model comprising an upper jaw part and a lower jaw part to which dental models are detachably coupled, the dental models comprising: a single tooth forming a tooth head and a tooth root, a coupling guide protrusion for preventing detachment and guiding the coupling direction when coupled to the tooth fixing block side is formed on the outer surface of the tooth root, and a dental nerve is formed in the interior of the tooth root; a tooth fixing block forming an internal space detachably coupled to the root of the single tooth, the internal space being filled with a conductive adhesive for measuring the length of the root canal; a gingival part in which a plurality of the tooth fixing blocks are assembled in accordance with a tooth arrangement; and a chin strap to which the gingival part and the tooth fixing block are fixed, the chin strap being coupled to the temporomandibular joint on either side of the maxillary part or the mandibular part.

To provide a dental surveyor that enables a user to quickly perform surveying calibration and a surveying method of the dental surveyor.SOLUTION: A shaft center seat 12, a first surveying arm 13, and a second surveying arm 14 are pivotable with respect to one another. The second surveying arm includes a surveyor rod 15. The surveyor rod includes a surveying needle 151 for surveying a denture mold 30. A surveyor table includes a clamp table 21 and an adjustment platform 22. The surveyor table is placed on a platform. The clamp table is used to clamp the denture mold. Angle and direction of the clamp table are changed by the adjustment platform. Three adjustment screws O, P, Q are fixed onto the adjustment platform. By advancement and retreat of the adjustment screws, a height of a corresponding portion of the clamp table is changed, an effect of three-point positioning adjustment on the denture mold is exhibited and the angle of the denture mold is accurately adjusted.SELECTED DRAWING: Figure 6

The invention discloses a method and a device for generating an implant substitute integrated model and application. The method comprises the following steps: acquiring intraoral optical impression data of a patient; on the basis of acquired intraoral optical impression data of the patient, registering the substitute digital model and an optical scanning rod to obtain a three-dimensional position of the substitute digital model, and then calling substitute appearance data of the same model as the intraoral implant to virtually reproduce the three-dimensional position of the intraoral implant; and based on the three-dimensional position of the intraoral implant obtained through virtual reproduction, generating an implant substitute integrated model after applying an implant substitute digital model containing internal threads, ports and appearance. Computer-aided manufacturing equipment is used, the integrated dental model is subjected to 3D printing in an additive manufacturing mode, and it is ensured that the substitute digital model accurately restores the three-dimensional position of the actual implant. According to the invention, angle deviation and displacement caused by rotation and sliding of the finished product substitute body in the process of manually returning to the model can be effectively avoided.

The invention discloses five-axis laser cutting equipment for dental cast manufacturing, and relates to the field of laser cutting equipment.The five-axis laser cutting equipment comprises an equipment stand, a sliding stand assembled above the equipment stand, transportation equipment and a feeding and discharging manipulator, the positions of the equipment stand, the transportation equipment and the feeding and discharging manipulator are relatively fixed, and a five-axis machine table is erected on the upper end face of the sliding stand in a sliding mode; the sliding stand is used for adjusting the longitudinal position of the five-axis machine table, a portal frame is fixedly arranged on the upper end face of the sliding stand, a fixing frame is slidably assembled on the portal frame, the portal frame is used for adjusting the transverse position and the axial position of the fixing frame, and a laser lens is fixedly erected on the upper end face of the fixing frame. According to the device, smoke generated at the laser cutting position of the dental cast can be effectively sucked and purified through the cooperative effect of the circulating suction unit and the peculiar smell adsorption unit, solid impurities in the smoke can be effectively filtered out through a circulating suction purification mode, peculiar smell of gas in the smoke can be eliminated, and the practicability of the device is improved. Therefore, the air quality in a factory is guaranteed.

Systems and methods for identifying teeth in a patient image are provided. For example, a computer-implemented method can include, by one or more processors, accessing a 2D image including a depiction of a patient's teeth, where a plurality of the depicted patient's teeth are annotated with tooth identifiers according to a first tooth identification scheme. The computer-implemented method can further include transmitting, to a server computing device, the 2D image, and receiving from the server computing device, a second tooth identification scheme for the patient's teeth in the 2D image. The second tooth identification scheme can be generated by accessing a 3D model of the patient's teeth, projecting the 3D model onto the 2D image, comparing the projection to the 2D image to determine a probability parameter for each of one or more teeth in the 2D image, and determining, based on the probability parameters, the second tooth identification scheme.

The embodiment of the utility model provides a shell-shaped appliance, an orthodontic system and a dental model, and solves the problem of stress concentration of an occlusal surface when a convex part is provided with a reinforcing ridge in a counterpoint manner. The shell-shaped appliance comprises a shell-shaped body used for containing teeth, the shell-shaped body is of an integrally-formed structure, and the shell-shaped body is provided with a first protruding part for reconstructing the occlusal position of the upper jaw and the lower jaw in a protruding mode in the occlusal direction of a rear tooth area. The cheek side face of the first protruding part is provided with a first reinforcing ridge for improving the deformation resistance of the first protruding part, the cheek side face of the first protruding part is concaved inwards to form the first reinforcing ridge, and the tongue side face of the first protruding part is provided with a second reinforcing ridge for improving the deformation resistance of the first protruding part. The tongue side face of the first protruding part is concaved inwards to form the second reinforcing ridge, and at least two adjacent first reinforcing ridges and second reinforcing ridges are arranged in a staggered mode in the buccal tongue direction.

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.

The invention provides a three-dimensional tooth model display method and device, an oral cavity scanner and a storage medium, and relates to the technical field of oral cavity scanning. The method comprises the following steps: acquiring a first point cloud of a standard dental cast and a second point cloud of a to-be-corrected display dental cast, and establishing a global coordinate system of the first point cloud and a global coordinate system of the second point cloud; using the first point cloud, the second point cloud, the global coordinate system of the first point cloud and the global coordinate system of the second point cloud to establish a shape curve of the to-be-corrected display dental cast; based on the shape curve of the to-be-straightened display dental cast, determining a focus, a viewpoint and an upward direction when the to-be-straightened display dental cast is straightened under a display visual angle set by a user; according to the method, the to-be-adjusted display dental cast is displayed according to the focus, the viewpoint and the upper direction of the to-be-adjusted display dental cast during adjustment, so that the dental cast is displayed quickly and objectively, and a user can master details of teeth more accurately.

The utility model relates to the technical field of dental model trays, in particular to a dental model tray which comprises two supporting plates which are bilaterally symmetrical, a fixing block is mounted on the right side of the upper side of the left side supporting plate; the same fixing block is arranged on the left side of the upper side of the right side supporting plate; a connecting rod is mounted between the two fixing blocks; all the mechanisms mounted on the two supporting plates are the same; a rotating mechanism is mounted on the upper side of the supporting plate, and a dental cast disc I is mounted on the upper side of the rotating mechanism; dental cast plates II are symmetrically mounted on the front side of the dental cast plate I; when the rotating mechanism needs to be used, the bolt is unscrewed, then the two rotating plates can be rotated, the two rotating plates drive the first dental cast disc and the second dental cast disc to move respectively, then the distance between the two dental cast discs is changed, the oral cavity of a user can be adjusted in a matched mode, and the problem that the dental cast discs are poor in adaptability is solved.

The application provides a combined device of an accessory and a shell-shaped appliance and a manufacturing method thereof, the accessory comprises a tooth accessory fixed on a tooth surface and a dental model accessory fixed on a dental model, the tooth accessory is smaller than the dental model accessory, the occlusal surface of the dental model accessory forms different degrees of occlusal contact with the opposite teeth, so that the shell-shaped appliance generated based on the dental model with the dental model accessory fixed thereon can enhance the seating by using the occlusal force, there is a gap between the occlusal surface of the dental model accessory and the introduction surface of the tooth accessory, so that there is a gap between the accessory cavity of the shell-shaped appliance and the tooth accessory, the appliance has a larger surface area and better elastic performance in the accessory part, which is beneficial to enhance the seating and express the correction force, in addition, the occlusal surface of the dental model accessory can also be designed to have the functions of lifting the occlusion and leading the lower jaw.

1. The name of the design product: dental mold packaging box (3). 2. The use of the design product: for containing dental mold. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The utility model relates to the technical field of pressing die production and manufacturing, and discloses dental cast sintering equipment which comprises a supporting box assembly, a sintering braking assembly is installed on the top of the supporting box assembly, a dust collection assembly is installed on the rear side of the sintering braking assembly, and a temperature monitoring assembly is installed on one side of the sintering braking assembly. A control assembly is installed on the other side corresponding to the temperature monitoring assembly. According to the utility model, the dust collection assembly is arranged on the device, so that when the device is used for processing, the tooth film in the device is made of powder, so that dust is very easy to diffuse, and the dust is prevented from flying around when the device is used through the dust collection assembly; and a certain cleaning effect is provided.

The utility model relates to the technical field of dental cast, and discloses a 3D (three-dimensional) printing device for dental cast, which solves the problems in the background technology and comprises a base and a forming mechanism, the forming mechanism is mounted in the base, a tray is arranged on the base, a side plate is mounted on the base, a machine cover is mounted at the top of the side plate, and the machine cover is mounted on the base. A construction mechanism is arranged between the base and the machine cover, the construction mechanism comprises two lifting assemblies which are oppositely arranged left and right, and the two lifting assemblies can be mutually inserted together, so that a dental cast can be conveniently taken down from the construction mechanism, the dental cast is prevented from being damaged, the integrity of the dental cast is favorably kept, and the construction efficiency is improved. And the method has the effects of simplicity and convenience in operation and high safety.

The invention relates to a training device for oral medicine teaching, which comprises two gingivae which are matched for use, the two gingivae are rotationally connected, a plurality of tooth models are arranged around the gingivae, the tooth models are mounted and dismounted by arranging screws, and each gingiva is fixedly connected with a tooth chamber; the supporting part is arranged behind the gingiva; the longitudinal adjusting assembly is arranged below the tooth chamber and is connected with the tooth chamber in a sliding manner; the telescopic rotation adjusting assembly is arranged behind the tooth chamber and is used for connecting the tooth chamber with the supporting component; the opening adjusting assembly is connected with the longitudinal adjusting assemblies at the upper end and the lower end and the supporting assembly to achieve opening degree adjustment of gingiva at the upper end and the lower end; and the face cover and the jaw cover are respectively connected to the outer vertical surfaces of the upper gingiva and the lower gingiva in a buckling manner. The tooth mold has the advantages that the tooth cavity and the gingiva can move back and forth, the opening degree can be adjusted and fixed, and each tooth mold can be independently detached, so that the tooth mold is adaptive to different teaching and training environments.

The utility model discloses a drying mechanism for a dental cast cleaning machine, which comprises a box body, a box door is hinged on the box body, a layering device is arranged in the box body, a sealing device is arranged on the box door, the layering device comprises a plurality of laminates, a plurality of air inlet pipes, a plurality of air outlet pipes, a plurality of first communicating pipes and a plurality of second communicating pipes, and the first communicating pipes are communicated with the second communicating pipes. According to the utility model, the plurality of laminates are arranged, the plurality of laminates are correspondingly provided with the plurality of air inlet pipes, when the number of dental cast is large, the dental cast is uniformly placed on the plurality of laminates, and the electromagnetic valves on the corresponding air inlet pipes are opened, so that hot air discharged by the heating box enters the plurality of laminates to dry the dental cast on the upper surfaces of the laminates; when the number of the dental cast is reduced, the dental cast is placed on a certain layer plate, only the corresponding electromagnetic valve is opened, and only the space above the layer plate is dried, so that the heat utilization rate is increased, and the heat waste is reduced.

The utility model discloses a dental cast display device for oral hospital, including bearing cabinet no. 1, bearing cabinet no. 2, rotating rod no. 1, rotating rod no. 2, rotating rod no. 3 and rotating rod no. 4, bearing cabinet no. A concave placing frame is arranged at the bottom end of the display table, a supporting block is arranged at the right end of the transparent plate, a supporting pipe is arranged at the left end of the supporting block, a circular magnifying lens is arranged at the left end of the supporting pipe and connected with the supporting pipe through a bolt, a display screen is arranged at the top end of the front side of the first bearing cabinet, and a computer host is arranged at the top end of the first bearing cabinet. Relates to the technical field of oral cavity dental cast, improves the detail display effect of the dental cast, and relieves the problem that the three-dimensional display capability of the dental cast is insufficient.

The present invention relates to a fixator (10) for fixing a first tooth model (52) and a second tooth model (54), wherein the fixator (10) has a first fixator-side guide element (28) and a second fixator-side guide element (30), both of which extend in a longitudinal direction (12) of the fixator (10), wherein the first fixator-side guide element (28) can be coupled to a first model-side guide element (62) of the first tooth model (52) and the second fixator-side guide element (30) can be coupled to a second model-side guide element (64) of the second tooth model (54), wherein the first fixator-side guide element (28) is configured to guide the first model-side guide element (62) in the longitudinal direction (12) when the first fixator-side guide element (28) is coupled to the first model-side guide element (62), and wherein the second fixator-side guide element (30) is configured toto guide the second model-side guide element (64) in the longitudinal direction (12) when the second fixator-side guide element (30) is coupled to the second model-side guide element (64). Furthermore, the present invention relates to a system (50). Furthermore, the present invention relates to a method (100) for fixing a first dental model (52) and a second dental model (54) by means of at least one fixator (10).

The invention relates to the technical field of oral cavity rehabilitation auxiliary instruments, in particular to an oral cavity rehabilitation auxiliary retainer for tooth implantation, which comprises two groups of fixing frames, an upper dental model and a lower dental model which rotate in the two groups of fixing frames, the upper dental model is located on the upper side of the lower dental model, and an adjusting assembly is arranged in each fixing frame. The adjusting assembly comprises a movable groove, a first rotating shaft, a ratchet wheel, a second rotating shaft, a torsion spring and a movable plate. Through the arrangement of the adjusting assembly, the angle of the upper dental cast and the angle of the lower dental cast can be adjusted, in the actual use process, the auxiliary retainer can be adjusted according to the size of the oral cavity of a patient so that the auxiliary retainer can be suitable for different types of patients, and meanwhile when the retainer is adjusted to the proper angle, the angle of the upper dental cast and the angle of the lower dental cast can be adjusted. The user cannot change the angle through the occlusal force of the mouth, so that the user can conveniently observe the interior of the oral cavity of the patient, and the user can more smoothly carry out the oral rehabilitation process.

The utility model belongs to the technical field of medical equipment, and particularly relates to a dental cast implant acting substitute body which comprises a substitute body, a fastening bolt is arranged at one end of the substitute body, a connecting groove is axially formed in the other end of the substitute body, an external expansion part extending outwards in the radial direction is arranged at a notch of the connecting groove, and the external expansion part is connected with the fastening bolt. The side, close to the fastening bolt, of the replacement body is provided with an anti-torsion part, and the anti-torsion part abuts against the fastening bolt. The end part of the substitute body, namely the notch of the connecting groove, is provided with the external expansion part which extends outwards, and the limiting surface of the external expansion part can be propped against the inner wall of the model jack, so that the shaking of the substitute body caused by the installation of the base station at the upper end can be greatly reduced. And in addition, the abutting of the external expansion part and the connecting groove in the axial direction can participate in the confrontation balance of the locking force of the fastening bolt, and the problem that the stress on the step surface of the anti-torsion part is unstable is solved.

The graphical user interface (GUI) displays the patient's oral health report through different modules including a 3D oral model, dental model coloring, orthodontic bite comparison, oral diagnostic information, and pictorial display of oral diagnostic information. The user can scroll or click to browse the GUI. Figure 3.2 is for reference purposes only and does not form part of the design sought to be registered. The gray rectangular color block with the diagonal cross in Figure 3.1 merely indicates pressed content and does not form part of the design sought to be registered. The "X" in the figure represents a variable number and / or letter and / or symbol. 3.1) Front View; 3.2) Reference View

The invention discloses a dental cast generation method and a nonvolatile storage medium. The method comprises the steps that a first abutment tooth model and an initial tooth model are obtained, the initial tooth model is a tooth model simulating a complete oral cavity structure, and the first abutment tooth model is a model simulating a tooth structure to be repaired; a tool model is determined, the tool model comprises a slot model and / or a second abutment model, the slot model is used for determining a non-segmentation model, the volume of the second abutment model is larger than that of the first abutment model, and the second abutment model is used for determining a segmentation model; the initial dental model and the tool model are subjected to Boolean subtraction operation, a target dental model is obtained, and the target dental model comprises a segmentation model and / or a non-segmentation model. According to the method, the technical problems that the types of models processed by an existing repair model generation method are few, and the model precision is low are solved.

Provided are a method for generating a dental crown model and a system for generating a dental crown model. The method for generating a dental crown model comprises: retrieving preset tooth model data according to a target position of a tooth to be treated, wherein the preset tooth model data comprises a plurality of geometrical features; adjusting a preset tooth model by using a plurality of tooth model parameters to obtain adjusted geometrical features; give scores of the matching degree between the adjusted feature points and a plurality of conditional operations; performing weighted operation on the scores to obtain a false tooth score; if the false tooth score is less than a threshold score, inputting the false tooth score into an artificial intelligence unit for parameter correction to obtain a plurality of new tooth model parameters, and continuing adjustment until the false tooth score is greater than the threshold score; and using a tooth model corresponding to final parameters as a dental crown model of a patient.

The utility model discloses a dental model collet which is used for bearing a dental model, a bearing surface of the dental model collet for bearing the dental model is provided with a plurality of groove structures, and a membrane is pressed into the groove structures through openings of the groove structures during hot pressing of the membrane so as to limit the membrane from being separated from the dental model collet; wherein the groove structure is located in a space defined by the edge of the bearing surface and the edge of the bottom surface of the dental model and is arranged at a preset distance from the edge of the bottom surface of the dental model. The groove structure is arranged in the space defined by the edge of the bearing surface of the collet of the dental model and the edge of the bottom surface of the dental model, and the preset distance is formed between the groove structure and the edge of the bottom surface of the dental model, so that a part of a membrane can be pressed into the groove structure in a membrane hot-pressing process, and the membrane subjected to membrane pressing cannot be separated from the collet of the dental model; and the pressed film wrapping effect of the tooth jaw model is improved.

The embodiment of the invention relates to the field of tooth orthodontics, and discloses a dental cast optimization method, a dental cast, electronic equipment and a computer readable storage medium. According to the method, firstly, topological optimization is carried out on a solid dental model grid to obtain a hollow dental model grid, then pressed film finite element simulation is carried out on the hollow dental model grid, and personalized stress distribution of the dental model grids of different structures is obtained according to pressed film finite element simulation results. Then selecting two points with the maximum stress below the lowest point of the gingival line of each tooth as supporting points, and finally determining the position and direction of the supporting structure according to the two supporting points. Due to the fact that the structures of different dental cast grids are different, the stress distribution of the different dental cast grids is different, and the positions and the directions of the added supporting structures are different, the positions and the directions of the added supporting structures are determined by obtaining the stress distribution of each dental cast grid. The supporting structure added in the final target dental cast grid can be most suitable for the current dental cast grid.

1. The name of the design product: dental mold packaging box (2). 2. The use of the design product: for containing dental mold. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The application provides a digital oral model mark point recognition method and device and electronic equipment, and the method comprises the following steps: step 1, inputting dental arch model image data, segmenting the dental crown of the dental arch model, and recognizing the tooth position number of the dental crown, wherein the dental arch model comprises a gum and dental crowns of different tooth positions. Step 2, based on automatic recognition of the dental crown mark point of a single dental crown, for each segmented dental crown, the multi-view graph network is used to automatically recognize the dental model mark point, and the mark point on each dental crown is obtained. The method of the application does not predict the mark point on the three-dimensional point cloud, but maps the three-dimensional data into two-dimensional projection image data, and calculates by using a two-dimensional network, so that the calculation amount and the dependence on the computing power can be reduced compared with a three-dimensional network.