11 results about "Fixed prosthodontic" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.