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24 results about "Fixed prosthodontic" patented technology
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Fixed prosthodontics is the area of prosthodontics focused on permanently attached (fixed) dental prostheses. Such dental restorations, also referred to as indirect restorations, include crowns, bridges (fixed dentures), inlays, onlays, and veneers.
Fixed denture adjacency evaluation method, device and system and storage medium
The invention relates to the technical field of false tooth adjacency, and discloses a fixed false tooth adjacency evaluation method, device and system and a storage medium. According to the evaluation method, adjacent force dynamic data are collected in real time through an MEMS piezoresistive sensor, laser scanning is synchronously adopted to obtain the three-dimensional shape of a contact surface, mechanical data are input into a regression model to analyze the tightness and the stability, and the evaluation result is obtained. Geometric features of three-dimensional data are extracted through a 3D convolutional neural network, finally, multi-modal analysis results are fused to generate an evaluation report containing contact quality multi-dimensional indexes, and the device comprises a data acquisition module, an intelligent analysis module and a data output module. By adopting multi-modal data fusion and an intelligent algorithm, fixed denture contact surface morphological mechanics synchronous analysis and dynamic monitoring are realized, quantitative evaluation indexes are generated through an automatic process, subjective judgment and static detection limitations of a traditional method are overcome, and adjacency quality evaluation precision and clinical efficiency are remarkably improved.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
Evaluation method, device and system for edge adaptation of fixed denture and storage medium
The invention relates to the technical field of oral cavity evaluation, and discloses a method, a device and a system for evaluating the edge adaptation of a fixed denture and a storage medium, the method for evaluating the edge adaptation of the fixed denture comprises the following steps: S1, acquiring multi-modal image data of a contact area of the denture and an abutment; s2, carrying out image denoising on the multi-modal image data; s3, edge detection and gap analysis are carried out on the image data after image denoising processing, and a gap distribution diagram is obtained; s4, evaluating a scoring standard of the gap distribution diagram to obtain a cloth tightness distribution diagram; and S5, superposing the adaptation distribution map into a real environment through an augmented reality technology. According to the method, the multi-dimensional data, the dynamic scoring model and the augmented reality interaction technology are fused, high-precision and high-efficiency fixed denture edge adaptation evaluation is realized, multi-material dynamic adaptation and complex environment anti-interference capability are integrated, and three-dimensional quantitative decision support is provided for clinic.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
Combined body of fixed false tooth and movable false tooth
Owner:SHANGHAI CHENXIN MEDICAL DEVICES CO LTD
Device for cleaning the mesial and distal surfaces of teeth and fixed dentures
A toothbrush product for cleaning the exposed mesial or distal surface of a tooth or denture, comprising: an elongated member (22) comprising a front end and a rear end, wherein the elongated member comprises a handle (20) and the elongated member extends in a longitudinal direction from the front end to the rear end; a head (50), wherein the head (50) comprises a plurality of tufts of bristles provided at a front surface and / or a rear surface of the head (50); and at least one support member (40) for the head (50) provided at the front end of the elongated member (22), wherein the at least one support member (40) has a shape for supporting the head (50) at a lateral distance from the elongated member (22), wherein the at least one support member (40) comprises a laterally extending proximal portion and a laterally extending distal portion to provide a gap across the lateral distance between the front end of the elongated member (22) and the head (50), at least a portion of the support member (40) extending in the lateral direction away from the front end of the elongated member (22) such that the gap is substantially within a lateral plane.
Owner:ELEON PROD LTD
A semi-solid denture base
The application relates to a semi-solid denture frame which comprises two retention clamps, two connecting bodies and a tooth site support; the two connecting bodies are located between the two retention clamps along a first circumferential direction; the tooth site support is located between the two connecting bodies along the first circumferential direction and is used for supporting a false tooth and a base at a missing tooth site; the connecting body comprises a connecting part and a plug-in part; the connecting part is fixedly connected with the retention clamp; the plug-in part is connected and locked at a first position or a second position on the connecting part; one end of the plug-in part, which is away from the connecting part along the first circumferential direction, is provided with a second retention groove which penetrates through the upper end of the connecting part along a first direction; two connecting protrusions are fixed on the tooth site support and are slidably embedded into the two second retention grooves along the first direction, so that the tooth site support is fixedly connected with the connecting body. The semi-solid denture frame has the effect of mounting the false tooth in the oral cavity.
Owner:BEIJING GENERAL AEROSPACE HOSPITAL
Automatic tooth dismounting equipment
The invention relates to the technical field of false tooth processing equipment, and provides automatic tooth unloading equipment which comprises a shell and an automatic tooth unloading mechanism arranged in the shell, and the automatic tooth unloading mechanism comprises a base, a Y-axis linear motion mechanism, a clamping mechanism, an X-axis linear motion mechanism, a Z-axis linear motion mechanism and a main shaft operation mechanism. The Y-axis linear motion mechanism is arranged on the base and is connected with the base; the clamping mechanism is arranged on the Y-axis linear motion mechanism and connected with the Y-axis linear motion mechanism, and the clamping mechanism is used for fixing a false tooth chuck; the X-axis linear motion mechanism is arranged on the base and is connected with the base; the Z-axis linear motion mechanism is arranged on the X-axis linear motion mechanism and is connected with the X-axis linear motion mechanism; the spindle operating mechanism is arranged on the Z-axis linear motion mechanism, a milling cutter is arranged at the front end of the spindle operating mechanism, and the milling cutter is located above the false tooth chuck and used for cutting false teeth on the false tooth chuck. According to the invention, accurate and lossless cutting of false teeth is realized, and the yield of products is improved.
Owner:SHENZHEN XIANGTONG PHOTOELECTRIC TECH
Antibacterial denture polishing device
The utility model relates to the technical field of false tooth machining, in particular to an antibacterial false tooth polishing device, and aims to solve the problem that dust causes harm to operators in the polishing process. The antibacterial false tooth polishing device comprises a rack, a tool clamp used for fixing false teeth is arranged on the rack, and a protective cover is arranged on the rack; a grinding wheel mechanism used for false tooth polishing is arranged in the protective cover shell, a shell of the protective cover shell is provided with a dust collection integrated mechanism used for adsorbing dust, the dust collection integrated mechanism comprises two dust collection pipes, an air suction pump and a treatment box, and the two dust collection pipes are symmetrically distributed on the two sides of the protective cover shell; and one ends of the two dust suction pipes communicate with the interior of the protective cover shell, the other ends of the two dust suction pipes communicate with an air suction pump, the output end of the air suction pump communicates with the interior of the treatment box, and the treatment box is arranged on the rack. The polishing device has the advantages that dust particles generated in the polishing process are effectively blocked, the scattering range is limited, and the respiratory system health risk faced by operators due to dust inhalation is reduced.
Owner:JIANGSU HUXIANG MEDICAL INSTR CO LTD
A method, device, system and storage medium for evaluating the edge fit of a fixed denture
The application relates to the technical field of oral cavity evaluation, and discloses a fixed denture edge tightness evaluation method, device, system and storage medium.The fixed denture edge tightness evaluation method comprises the following steps: S1, acquiring multi-modal image data of a contact area of a denture and an abutment; S2, performing image denoising on the multi-modal image data; S3, performing edge detection and gap analysis on the image data after image denoising processing to obtain a gap distribution diagram; S4, performing evaluation on the gap distribution diagram according to a scoring standard to obtain a tightness distribution diagram; and S5, superimposing the tightness distribution diagram into a real environment through augmented reality technology.The application realizes high-precision and high-efficiency fixed denture edge tightness evaluation through the fusion of multi-dimensional data, a dynamic scoring model and augmented reality interaction technology, has the functions of multi-material dynamic adaptation and complex environment anti-interference capability, and provides three-dimensional quantitative decision support for clinics.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
A dental prosthesis trimming and drilling integrated machine
This invention belongs to the technical field of dental prosthesis processing machine tools, and particularly relates to an integrated machine for drilling and trimming dental prostheses. It includes a processing table and a controller mounted on the side wall of the processing table. The processing table has a processing cavity inside, and a dental prosthesis placement table is installed inside the processing cavity. The cavity wall has an L-shaped opening. The machine also includes a drilling unit mounted on the end face of the processing table. The drilling unit is used to drill holes in the dental prosthesis, and a clamping mechanism is installed on the drilling unit to fix the dental prosthesis in place. This invention can simultaneously trim the dental prosthesis during drilling, and can perform full-circumference trimming of the dental prosthesis in one operation, greatly improving the efficiency of dental prosthesis processing. It can also automatically adjust the trimming pressure to ensure trimming quality, and remind personnel to replace the polishing strips in a timely manner.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
A method for additive manufacturing of a full-mouth implant-supported fixed denture framework
This invention discloses an additive manufacturing method for full-mouth implant-supported fixed prostheses, belonging to the field of structural engineering technology. Addressing the complex geometric features of full-mouth implant-supported fixed prostheses, this invention utilizes a GPU-accelerated multi-objective optimization algorithm to optimize the placement angle, achieving minimal or no support in key areas such as the abutment interface. Simultaneously, it designs a truncated cubic lattice-column composite support structure, combined with targeted support designs for overhanging areas and edges, solving the problems of redundant support and insufficient molding accuracy in traditional methods. This significantly improves additive manufacturing accuracy and meets clinical needs.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY
False tooth frame for porcelain furnace
Owner:SHANGHAI HESHENG PRECISION DENTAL MFG CO LTD
Cutting device for 3D printed dentures
The application relates to a cutting device for 3D printed dentures, belonging to the technical field of denture processing, which comprises a processing platform, a feeding block, a clamping plate, an inner supporting ring, an outer supporting ring, a driving assembly and a cutting piece. The processing platform is provided with a feeding position and a cutting processing position, and the connecting line between the feeding position and the cutting processing position is parallel to one diameter of the processing platform. A base plate is arranged on the feeding block, and a feeding groove is arranged on the processing platform. The feeding block carries the base plate to move along the feeding groove. The clamping plate is used for clamping the base plate. The inner supporting ring and the outer supporting ring are matched to clamp the fixed denture. The driving assembly is used for driving the clamping plate, the inner supporting ring and the outer supporting ring to move synchronously, and realizes synchronous clamping of the base plate and the denture. The cutting piece is used for cutting the base plate and the denture. The application has the advantages of improving the relative position stability between the base plate and the denture, reducing the possibility of displacement of the denture, reducing the probability of damage to the denture itself, and improving the yield of denture production and processing.
Owner:SHANGHAI KAIFENG DENTURE MFG CO LTD
Customized detachable edentulous immediate load-bearing fixed false tooth
The utility model discloses a customized detachable edentulous immediate load-bearing fixed denture, and relates to the technical field of human oral medicines.The fixed denture comprises a plurality of customized implants, retention connectors, corresponding repair bases and repair base inner screws, the lower ends of the customized implants are implanted into alveolar bones, the upper ends of the customized implants are flush with gingiva, and the lower ends of the customized implants are connected with the retention connectors. The retention connector is of a strip-shaped structure, is horizontally laid above the customized implants along the tooth jaw shape and is used for connecting the implants at the planting points into a whole, the repair abutment is arranged above the retention connector, and the repair abutment inner screw is used for penetrating through the retention connector to connect the repair abutment with the customized implants; according to the technical scheme, the implant tooth is suitable for patients with full-mouth or half-mouth tooth loss and free-end tooth loss, immediate implantation, immediate repair and immediate load bearing can be achieved, the repair period is shortened, the difficulty of implantation operation and the risk of repair failure are reduced, and the indications of full-mouth or free-end tooth loss of the implant tooth are expanded.
Owner:QINGDAO DENTAL SECRETARY MEDICAL TECHNOLOGY CO LTD
Implantable fixed false tooth connected with clamping ring
The utility model discloses an implantable fixed false tooth connected with a clamping ring, which belongs to the technical field of fixed false teeth and comprises an alveolar bone, gingiva wrapped outside the alveolar bone, a first threaded hole arranged at the top of the alveolar bone, a fixed seat arranged above the alveolar bone, a threaded nail arranged at the bottom of the fixed seat and in threaded connection with the first threaded hole, and a clamping ring arranged on the clamping ring. A second threaded hole is formed in the top of the fixing base, clamping grooves are formed in the left side wall and the right side wall of the fixing base, an implant tooth is arranged above the fixing base, a sealing plate is arranged at the bottom of the implant tooth, a bolt matched with the second threaded hole is arranged at the bottom of the sealing plate, a cavity is formed in the sealing plate, and a clamping assembly is arranged in the cavity. According to the dental implant fixing device, the dental implant is fixed on the fixing seat through the bolt, and the dental implant can be clamped and fixed on the fixing seat through the clamping assembly, so that the dental implant has a double-fixing function when being fixed, and the dental implant cannot fall off from the mounting seat.
Owner:JIANGSU SHANGHE STOMATOLOGICAL TECH CO LTD
Method for producing an antibacterial fixed denture
The application belongs to the technical field of oral cavity materials, and particularly relates to a preparation method of an antibacterial fixed denture, which comprises the following steps: (1) adding an alkaline precipitant solution into a mixed solution of zinc salt and cerium salt to perform strong stirring, so as to obtain a mixed reactant; (2) adding orthosilicate into the mixed reactant, then adding deionized water to perform stirring, so as to obtain a zinc-cerium solid solution precipitate; the zinc-cerium solid solution precipitate is separated, dispersed, washed and dried to obtain a nano antibacterial powder; (3) dispersing the nano antibacterial powder into an organic solvent first, then adding the nano antibacterial powder into an enamel solution to obtain a nano antibacterial enamel solution; then the nano antibacterial enamel solution is sprayed onto the surface of a fixed denture blank, and then solidification is performed to obtain an antibacterial fixed denture. The nano antibacterial powder is prepared more simply, the production cost is lower, and the use method is simple.
Owner:QINGDAO HUAXINHUA DENTAL
Observation instrument for false tooth processing
The utility model discloses an observation instrument for false tooth processing, which belongs to the field of false tooth processing and comprises a base, a line drawing component is arranged at the top of the base, a rotating disc is fixedly connected to the top of the base and positioned under the line drawing component, and a fixed seat is rotatably connected to the top of the rotating disc. An abutting block is slidably connected to one side of the top of the fixing base, two symmetrically-arranged limiting pieces are arranged on the side, located on the abutting block, of the top of the fixing base, the two limiting pieces are distributed in a splayed shape, and arc-shaped limiting faces are arranged on the opposite faces of the two limiting pieces; by arranging the limiting piece with the arc-shaped limiting surface, and the deformation cavity and the reset piece which are matched with the limiting piece, better adaptability and buffering effect can be provided when the false tooth is fixed, rigid contact between the false tooth and the observation instrument is reduced through the design, and the safety of the false tooth is improved. Therefore, abrasion and damage caused by stress in the observation process of the false tooth are effectively reduced.
Owner:深圳市时代义齿配制有限公司
A cutting device for processing a denture
ActiveCN117549198BInhibit deteriorationclean up thoroughlyArtificial teethGrinding machinesRobotic armFixed prosthodontic
This application relates to a cutting device for denture processing, belonging to the field of denture manufacturing. The cutting device includes a body, a first robotic arm with a grinding tool mounted on it, and a second robotic arm with a clamping component for holding and fixing denture materials. A support and a clamping seat are provided within the body. A placement cavity for placing the prototype denture is formed between the inner wall of the body, the support, and the clamping seat. The clamping seat has a placement opening communicating with the placement cavity. A cleaning rod with a cleaning brush is rotatably mounted within the placement cavity. A first driving component for driving the cleaning rod to rotate is provided within the placement cavity. This application can remove dust covering and accumulating on the prototype denture, thereby cleaning the prototype denture and avoiding dust accumulation on the denture after cutting, which could lead to environmental degradation in subsequent processing areas.
Owner:SHANGHAI HESHENG ZHILUE MEDICAL TECH CO LTD
Sand blasting device for producing fixed false tooth metal bracket
ActiveCN224144374UAbrasive machine appurtenancesAbrasive blasting machinesHuman–machine interfaceManufacturing technology
The utility model belongs to the technical field of fixed false tooth metal support production, and discloses a fixed false tooth metal support production sand blasting device which comprises a base, a closed sand blasting cabin is installed at the top of the base, and a rotary multi-station objective table is installed in the closed sand blasting cabin. The fixed false tooth metal support is arranged on the rotary multi-station objective table through a pneumatic clamp, a spray gun is obliquely arranged above the rotary multi-station objective table, a connecting pipe is mounted on the spray gun and is communicated with the spray gun, and one end, far away from the spray gun, of the connecting pipe is communicated with an external sand blasting system; a control unit is installed on the closed type sand blasting cabin, the control unit integrates a human-computer interface and a PLC module, the control unit has multiple preset sand blasting modes, and a transparent observation window used for observing the sand blasting condition is embedded in the side wall of the closed type sand blasting cabin. According to the utility model, through the rotary multi-station objective table and automatic control, the sand blasting quality and the production efficiency of the fixed false tooth metal bracket can be obviously improved.
Owner:ZHENGZHOU HENGZUAN DENTAL TECH DEV CO LTD
Sectional type pre-assembled false tooth system based on dental arch curvature and positioning method
The invention relates to a dental arch curvature-based sectional type pre-assembled denture system and a positioning method, and belongs to the technical field of complete denture processing, the dental arch curvature-based sectional type pre-assembled denture system comprises a denture, an arc-shaped section, a base and a denture base, the curvature of the arc-shaped section is consistent with the curvature of a dental arch, the arc-shaped section is in a long strip shape, the arc-shaped section is hollow, two ends of the arc-shaped section are open, and the denture base is arranged on the base. An entering notch is formed in the long-strip-shaped face of the arc-shaped section, the false tooth enters the arc-shaped section through the entering notch, a first fixing piece is arranged on the arc-shaped section and used for fixing the false tooth to the arc-shaped section, the radian of the base is consistent with the curvature of a dental arch, and the base is used for installing the false tooth on the arc-shaped section. The base is used for being installed on a tooth base, and a second fixing piece used for fixing the base is arranged on the tooth base. The false tooth mounting device has the effect of improving the false tooth mounting quality and mounting efficiency.
Owner:成都金典牙科技术开发有限公司
A method, apparatus, system and storage medium for fixed denture abutment evaluation
This invention relates to the field of denture interproximal contact technology, and discloses a method, device, system, and storage medium for evaluating the interproximal contact of fixed dentures. The evaluation method uses a MEMS piezoresistive sensor to collect dynamic data of interproximal forces in real time, and simultaneously employs laser scanning to acquire the three-dimensional morphology of the contact surface. The mechanical data is input into a regression model to analyze tightness and stability. The three-dimensional data is processed by a 3D convolutional neural network to extract geometric features. Finally, the results of multimodal analysis are fused to generate an evaluation report containing multi-dimensional indicators of contact quality. The device includes a data acquisition module, an intelligent analysis module, and a data output module. By employing multimodal data fusion and intelligent algorithms, simultaneous analysis and dynamic monitoring of the morphology and mechanics of the fixed denture contact surface are achieved. Quantitative evaluation indicators are generated through an automated process, overcoming the limitations of subjective judgment and static detection in traditional methods, and significantly improving the accuracy and clinical efficiency of interproximal contact quality evaluation.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY
Additive manufacturing method for complete-implant fixed denture support
ActiveCN120861846AAdditive manufacturing apparatusDesign optimisation/simulationMulti objective optimization algorithmEntire mouth
The invention discloses an additive manufacturing method for a complete-implant fixed denture support, and belongs to the technical field of structural engineering. According to the method, aiming at the complex geometrical characteristics of the complete implant fixed denture bracket, the placement angle is optimized through a GPU accelerated multi-objective optimization algorithm, and few support or no support is realized in key areas such as an abutment interface; and meanwhile, the truncated cube lattice-columnar composite supporting structure is designed, the targeted supporting design of the overhanging area and the edge is combined, the problems of supporting redundancy and insufficient forming precision of a traditional method are solved, the additive manufacturing precision is remarkably improved, and clinical requirements are met.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY
Anti-loosening false tooth structure
The utility model relates to the technical field of false tooth implantation, and discloses an anti-loosening false tooth structure which comprises an artificial tooth root, a false tooth shell is mounted at the top of the artificial tooth root, a mounting ring is fixedly connected to the bottom of the false tooth shell, a mounting groove is formed in the upper surface of the artificial tooth root, and the mounting ring is fixedly connected with the mounting groove. A first clamping assembly is arranged at the inner bottom of the mounting groove, and second clamping assemblies are arranged at the two ends of the inner wall of the mounting groove. According to the anti-loosening false tooth structure, the first clamping assembly and the second clamping assembly are arranged, a false tooth can be fixed in a clamping mode, when the false tooth is fixed, a mounting ring only needs to be inserted into a mounting groove, a first clamping block enters a first clamping groove to be clamped, and a second clamping block enters a second clamping groove to be clamped; the mounting ring and the false tooth shell are fixed in a multiple manner, so that the problem that the traditional implant false tooth is fixed in a screwing manner, the occlusal force between threads becomes poor as time goes on, and the false tooth is loosened is solved.
Owner:VIVI DENTAL LAB
Removable denture anti-loosening base plate
Owner:WUHAN MINGYA MEDICAL EQUIPMENT CO LTD
Customized fixed denture based on cobalt-chromium alloy casting
The utility model relates to the technical field of false teeth, in particular to a customized fixed false tooth cast on the basis of cobalt-chromium alloy, which comprises a fixed plate assembled on a gum, and fastening holes are formed in the inner wall of the fixed plate in a penetrating manner; a conical bolt is arranged on the inner side of the fastening hole in a spiral locking mode. And a ceramic positioning piece is detachably assembled on the fixing plate. According to the utility model, the conical bolt is fixed on the oral gum and is buffered and positioned through the fixing plate, and the ceramic positioning piece is fastened on the fastening bolt, so that the false tooth body can be customized and cast; the conical bolt adapts to different gum, the customized false tooth body is assembled on the buffer inner sleeve piece, and the inner sleeve piece is a fluorine-containing elastomer, has weather resistance and chemical corrosion resistance, is soft and comfortable, is antibacterial and reduces bacterium breeding; the titanium dioxide nanotube has biocompatibility and chemical stability, large specific surface area and good adsorption performance, and can be used as an antibacterial agent carrier to destroy bacterial cell walls or adsorb antibacterial drugs, continuously release the antibacterial effect and reduce the risk of oral infection.
Owner:KUNMING BOHAO DENTURE MANUFACTURING CO LTD