89 results about "Occlusal forces" patented technology

The invention relates to the technical field of oral implantation guidance, and provides a digital false tooth mounting and positioning device based on three-dimensional scanning and a method thereof. The method comprises the following steps: scanning the oral cavity of a patient through an oral cavity scanner to generate a three-dimensional oral cavity digital model; generating a virtual implant of the patient and corresponding initial implantation parameters based on the three-dimensional oral cavity digital model through a SegFormer segmentation network; based on historical operation data, initial implantation parameters, bone density, patient attributes and occlusal force parameters, a long sequence prediction network is adopted to predict the position offset and bone resorption degree of the virtual implant after osseointegration through a segmented attention mechanism and a network memory cache mechanism, and optimal implantation parameters are obtained; and pushing a visual dynamic model containing the candidate positioning strategy to the user based on the optimal implantation parameter, driving an oral cavity model printer to obtain an implantation guide plate model and an oral cavity environment model, assisting the user in verifying the installation effect of the candidate positioning strategy, and improving the accuracy of false tooth installation and positioning.

The invention discloses an occlusion contact quantitative analysis method and system for three-dimensional dentition scanning data and a storage medium, and relates to the field of oral medicine. The method comprises the following steps: acquiring upper and lower jaw dentition triangular mesh curved surface data by utilizing three-dimensional optical scanning; the method comprises the following steps: copying data of triangular mesh curved surfaces of dentitions of upper and lower jaws, independently cutting each tooth, and enabling the cut data to comprise a complete occlusal surface of the tooth; judging whether each triangular mesh on the grid curved surface of each cut tooth is an occlusion contact surface or not; and the size of the occlusal force is calculated according to the occlusal contact surface and the pressure intensity in the occlusal state. According to the invention, accurate quantitative analysis of the occlusal force and direction of each tooth can be realized, the cost is low, and the operation is simple and convenient.

Disclosed is a dental implant abutment having a function of buffering occlusal force transmitted through a prosthesis and configured to be elastically coupled to the prosthesis without using an adhesive. A prosthesis fastening protrusion protrudes outward from an outer surface of an upper portion thereof on which a prosthesis is mounted. The diameter of the prosthesis fastening protrusion being greater than the diameter of a portion located directly therebelow. Indentations divide the upper portion of the abutment into a plurality of sections. The indentations continuously extend downward a predetermined length from a top end surface of the abutment. A predetermined lengthwise portion of each of the indentations has a spiral or oblique shape.

The invention relates to an occlusion guide plate designing and manufacturing method based on dentition mechanical analysis, which comprises the following steps: S1, acquiring oral cavity image data of a patient, and constructing a three-dimensional digital model comprising a dental crown, a tooth root and an alveolar bone structure; s2, calculating an overall mechanical reference point of a tooth root structure of an anterior maxillary tooth area; s3, acquiring an incisal edge midpoint of each incisal tooth and a cusp point of each canine tooth in the maxillary anterior tooth area, solving a geometric center, and connecting the geometric center with an overall mechanical reference point to form a dentition direction vector; s4, calculating the displacement relationship between the target dentition arrangement and the initial dentition arrangement in the lip-tongue direction; s5, calculating an included angle between the occlusal force direction of the maxillary anterior tooth area and the dentition direction vector; s6, determining key morphological parameters of the occlusion guide plate according to the calculation result of the included angle in S5; and S7, manufacturing the occlusion guide plate. Compared with the prior art, the method has the advantages of precise mechanical adaptation, quantitative treatment prediction, personalized design and the like.

The invention discloses a dental restoration customization system combining 3D printing with digital modeling, and particularly relates to the technical field of digital modeling, the dental restoration customization system comprises an oral cavity scanning module, a data fusion module, an occlusion mechanical analysis module, a restoration optimization module, a 3D printing module and a feedback monitoring module, the digital model is generated and transmitted to the data fusion module, the data fusion module integrates oral cavity scanning, medical records and dental data to form a personalized oral cavity digital model, and the occlusion mechanical analysis module collects occlusion data, analyzes stress distribution and feeds back the stress distribution to the prosthesis optimization module. The dental restoration optimization module adjusts the design of the restoration according to the oral cavity structure and the occlusion relationship of the patient, the 3D printing module performs high-precision printing according to the optimization design to generate a personalized dental restoration, and the feedback monitoring module monitors the comfort of the restoration through a pressure sensor and feeds back a result to the restoration optimization module for real-time adjustment. And the optimal performance and comfort of the prosthesis are ensured.

The utility model discloses a correction component which comprises a first protruding structure arranged corresponding to the lip-cheek side or the tongue side of a first tooth jaw, and the first protruding structure is configured in the mode that when the first protruding structure abuts against a second tooth jaw of a pair jaw, a first jaw position is formed, the first jaw position deviates from an initial jaw position, and when the first jaw position deviates from the initial jaw position, the second jaw position deviates from the initial jaw position. The first occlusal force corresponding to the first jaw position is greater than the initial occlusal force corresponding to the initial jaw position. According to the utility model, the first jaw position can be reached through the mutual abutting of the first convex structure and the second tooth jaw, and the first jaw position has larger first occlusal force, so that larger orthodontic force can be provided for the first tooth jaw and the second tooth jaw.

The invention relates to the technical field of oral abutment three-dimensional modeling, and discloses a method for optimizing oral abutment three-dimensional modeling by utilizing a machine learning algorithm, which comprises the following steps of: 1, acquiring detection data of an oral cavity of a patient and a three-dimensional size of an implant, and classifying to form a data set; 2, analyzing the crowding degree and occlusal force distribution state of the teeth of the patient, and generating a crowding ratio and a distribution index; 3, analyzing the inclination of anterior teeth of the patient, evaluating the occlusion relationship of the teeth of the patient, and setting a conversion coefficient for converting the three-dimensional size of the implant into the three-dimensional size of the oral abutment; 4, the three-dimensional size of the oral cavity abutment is simulated, an abutment data set is generated, and the personalized adaptation capacity is high; and step 5, constructing an oral cavity three-dimensional model, an implant three-dimensional model and an oral cavity abutment three-dimensional model of the patient, setting a fixed threshold value, evaluating the fitness of the oral cavity abutment three-dimensional model, and outputting optimization suggestions, and the comfort level of optimization modeling is high.

The application relates to the field of oral medicine diagnosis and discloses an AI-enhanced real-time occlusion detection system based on intraoral images, which comprises a multi-source intraoral image acquisition module, which is used for acquiring dynamic oral image data through a high-definition oral endoscope, recording the three-dimensional structure of a tooth surface in combination with a laser scanning device, and collecting the force distribution of an occlusion contact point through a pressure sensor array; the multi-source intraoral image acquisition module comprises a time stamp synchronization unit, which performs multi-source synchronization on the oral image frame sequence and the occlusion force distribution data by using a unified time mark; through the multi-source intraoral image acquisition module, the synchronous acquisition of dynamic images, three-dimensional structure data and occlusion force distribution is realized, and the time sequence consistency of the data is ensured through the time stamp mark. Compared with the acquisition mode of a traditional single data source, multi-source acquisition can comprehensively record the dynamic characteristics in the occlusion process, provide rich and accurate input for subsequent AI analysis, and avoid data omission or acquisition deviation.

The utility model discloses an oral biomechanics capsule type detector, which comprises a main body made of an elastic material and provided with a tooth stress area for receiving tooth occlusion and a tongue and lip stress area for receiving tongue pressing and / or lip furling pressure; the capsule type detection structure comprises a plurality of cavities which are formed in the main body and are communicated with one another and a pressure sensor used for measuring the pressure of an integral cavity formed by the plurality of cavities, and the tooth stress area and the tongue and lip stress area are each provided with at least one capsule type detection structure. The measuring device can be used for measuring tooth occlusal force, lip smoothing force and tongue force in the upper jaw jacking direction, has the characteristics of simple structure, safety, sanitation, high comfort level, reliability in measurement, convenience in operation, reusability after cleaning and the like, is beneficial to clinical evaluation and diagnosis, and provides an effective auxiliary means for oral rehabilitation and orthodontic treatment.

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.

The invention relates to the technical field of orthodontic appliances, in particular to a self-adjusting arch expander based on hydraulic transmission, which comprises a jaw plate and a tooth sleeve, the tooth sleeve is arranged on the side wall of the jaw plate, a liquid storage bag is arranged in the tooth sleeve, and after the tooth sleeve is worn on a tooth, the liquid storage bag is positioned on a tooth occlusal surface; the jaw plate comprises a first part and a second part which can be far away from each other, a connecting pipe is arranged between the first part and the second part, and two ends of the connecting pipe are respectively arranged in the first part and the second part; a piston is arranged in the connecting pipe and provided with a push rod, the push rod is connected with the first part and the second part, so that when the piston pushes the push rod to move, the first part and the second part are pushed to be away from each other, a one-way valve is arranged in the connecting pipe, and the liquid storage bag is communicated with the one-way valve. According to the occlusal force of a patient, automatic arch expansion is achieved, the size of arch expansion force can be adjusted in a self-adaptive mode according to the size of the occlusal force of the patient, and the effect of improving the comfort and convenience of the patient after wearing is achieved.

The application discloses a crown-bridge prosthesis, which comprises a bridge body and two retention crowns, the bridge body is arranged between the two retention crowns, the top of each retention crown is provided with a retention groove, the front surface of each retention crown is provided with a positioning channel, the top of the positioning channel is throughly arranged, the positioning channel is communicated with the retention groove, an adapter is arranged in the retention groove, the front surface of the adapter is provided with a through hole, a center block is arranged in the through hole, the outer wall of the center block is provided with a clamping groove, the center block is movably clamped in the positioning channel, and a plurality of spring telescopic structures are uniformly arranged on the outer wall of the center block in a ring shape. The crown-bridge prosthesis is connected with abutments or implant abutments through the retention crowns. When a patient chews, the occlusal force is first applied to the bridge body, the force is transmitted to the center block of the adapter through the retention protrusions on the two sides of the bridge body, when the occlusal force is applied, the spring telescopic structures can absorb part of the force, reduce the impact on the natural teeth and the implant, disperse the stress, and avoid stress concentration.

The present application relates to the technical field of oral orthodontic appliances, in particular to a self-adjusting arch expander based on hydraulic transmission, which comprises a jaw plate and a tooth sleeve, the tooth sleeve is arranged on the side wall of the jaw plate, and a liquid storage bag is arranged in the tooth sleeve; after the tooth sleeve is worn on the teeth, the liquid storage bag is on the occlusal surface of the teeth; the jaw plate comprises a first part and a second part which can move away from each other, a connecting pipe is arranged between the first part and the second part, and the two ends of the connecting pipe are arranged in the first part and the second part respectively; a piston is arranged in the connecting pipe, a push rod is arranged on the piston, and the push rod is connected with the first part and the second part, so that when the piston pushes the push rod to move, the first part and the second part are pushed away from each other; a one-way valve is arranged in the connecting pipe, and the liquid storage bag is communicated with the one-way valve. The present application can automatically expand the arch according to the occlusal force of the patient, and can adaptively adjust the size of the arch expansion force according to the size of the occlusal force of the patient, thereby improving the comfort and convenience of the patient after wearing.

Provided is an orthodontic appliance, comprising a fixed base (1) that can be bonded and fixed to a tooth surface, a movable wing (2), and a spring (3). The movable wing (2) is slidably positioned on the fixed base (1); a bottom surface of the fixed base (1) is machined with a bonding pattern, one end of the surface is machined with a wing base (12), and the middle of the wing base (12) is provided with a sliding groove (121) in a direction of the central plane; the movable wing (2) comprises an occlusal splint (21) and a sliding rod (22), and the sliding rod (22) is positioned in the sliding groove (121) and can move back and forth along the sliding groove (121); the spring (3) is sleeved on the sliding rod (22), and one end of the spring (3) abuts against the wing base (12) and always maintains a tendency in which the movable wing (2) is away from the wing base (12); the occlusal splint (21) can move toward the wing base (12) end under the driving of the tooth occlusal force and generate an orthodontic thrust on the wing base (12) by means of the spring (3). Using the occlusal splint (21) on the movable wing (2), the occlusal force generated by each occlusal action is picked up and converted into an adduction force on the anterior teeth, thereby forming a dynamic orthodontic process and minimizing the impact on the posterior teeth.

The invention provides an occlusion induction appliance for a tooth replacement period, an orthodontic system for guiding jaw growth in the tooth replacement period and a design method of the orthodontic system. The occlusion induction appliance for the tooth replacement period comprises an upper jaw tooth socket and a lower jaw tooth socket, a lower jaw brace; the intermaxillary connecting body is positioned between the occlusal surfaces of the back tooth areas of the upper jaw tooth socket and the lower jaw tooth socket; wherein the upper jaw tooth socket and the lower jaw tooth socket form a rigid integral structure which cannot move relatively on an occlusal surface through the intermaxillary connector; the intermaxillary connecting body has a preset thickness so as to open occlusion contact of upper and lower anterior teeth in a wearing state, and the intermaxillary connecting body is configured to lock the lower jaw tooth socket at a preset three-dimensional space position relative to the upper jaw tooth socket body; when the occlusion induction appliance for the tooth replacement period is worn, the upper dentition and the lower dentition serve as integral interactive anchorage, and the occlusion force is converted into the orthodontic force acting on the dentition or the jaw bone.

The utility model discloses a waistband fixing buckle with a double-layer latch structure, which comprises a waistband buckle, the clamping tooth component comprises side plates, rotating rollers and tooth blocks, the side plates are fixed to the lower portions of the two ends of the outer surface of the belt buckle, the rotating rollers are installed on the inner surface of the belt buckle, and the tooth blocks are of a double-layer structure and comprise the upper-layer tooth block and the lower-layer tooth block. The rotating roller, the inner groove, the spring, the handle, the cross rod and the tooth blocks are arranged on the inner surface of the belt buckle, and the double-layer tooth blocks are arranged on the outer surface of the rotating roller, so that the belt buckle can play a role in multiple layers, and the occlusal force is remarkably improved; the upper-layer tooth block and the lower-layer tooth block can make close contact with the waistband from different angles and positions, so that the friction force between the tooth blocks and the waistband is greatly increased, and the waistband can be more effectively grabbed and prevented from sliding.

The utility model relates to dental instrument test technical field especially, it relates to a kind of anti-bruxism sleeve endurance test tooling. Including: occlusion controller, configuration is to exert set pressure and carry out set number of occlusion cycle, the occlusion cycle includes loading and unloading operation;Test sink, for containing artificial saliva and immerging to be measured anti-bruxism sleeve;Temperature controller, for the artificial saliva is heated and maintained at set temperature;Tooth model, for fixing the anti-bruxism sleeve, and place in the test sink;Wherein, the occlusion controller includes pressure applying device, for the anti-bruxism sleeve fixed on the tooth model is exerted vertical occlusal force, to simulate human occlusion action.By multiple components cooperation realizes accurate simulation oral environment, occlusion action to test the use effect of anti-bruxism sleeve.

The invention relates to a tooth veneer manufacturing method and system, and belongs to the technical field of tooth veneer manufacturing. Comprising the following steps: selecting anterior teeth of which tooth veneers need to be manufactured from a mouth scanning model as target teeth; determining the minimum distance between the target tooth and the jaw tooth during occlusion according to the occlusion trajectory data of the target tooth and the jaw tooth; determining stress data of the target teeth during occlusion according to the occlusal force data of the target teeth; when the minimum distance is not smaller than the thickness threshold value and the stress data meets the safety stress standard, generating a thickness curved surface of the target tooth based on the surface profile of the target tooth in the oral scanning model; and generating a tooth veneer model according to the surface profile and the thickness curved surface, performing finite element strength check on the tooth veneer model, and performing 3D printing after the check is passed to obtain the tooth veneer. The tooth veneering model with high matching degree with the teeth can be quickly generated by directly utilizing the oral scanning model so as to print the tooth veneering, direct preparation on the teeth is not needed, and the manufacturing period is short.

The invention discloses a vibrating wire fusion strain tooth occlusal force measuring device and method, and belongs to the technical field of oral biomechanical testing. The device adopts a split structure and comprises a cover body, a shell, a measuring main body and a handle main body, the cover body and the shell are connected to form a shell and serve as a tooth stress surface; the measuring main body is accommodated in the shell, a first convex part of the measuring main body is provided with a string clamping device for fixing and tensioning the vibrating string, and a second convex part is provided with a strain gauge; the handle body is provided with a display module and a battery. Based on a vibrating wire sensing principle, a force value is obtained by measuring a vibrating wire tension change and an inherent frequency change caused by a bite force, compensation is carried out in combination with a strain gauge signal, and a result is directly displayed on a display module after calculation by a built-in circuit. The device has the advantages of strong anti-interference capability, high measurement precision, integration, convenience in cleaning and disinfection and simplicity and convenience in operation, and is suitable for clinical oral diagnosis and biomechanical research.

The one-section type dental implant comprises an implanting section, an abutment gum-penetrating section and an abutment retention section which are sequentially arranged from bottom to top, the implanting section, the abutment gum-penetrating section and the abutment retention section are of an integrally formed structure, threads are arranged on the body portion of the implanting section, an anti-rotation portion is arranged at the bottom of the implanting section, the longitudinal section of the abutment gum-penetrating section is in a trapezoid shape, and the abutment gum-penetrating section and the abutment retention section are integrally formed. The body part of the abutment retention section is provided with an identification surface, and a buffer pad is arranged at the joint of the abutment gum penetrating section and the abutment retention section. The one-section dental implant can be matched with a one-section dental implant method for treatment, two operations in the traditional technology are shortened to one operation, the time for waiting for osseointegration and soft tissue healing after the first operation is omitted, and the pain and psychological stress of a patient are relieved; the cushion pad can reduce the abrasion degree between the bottom of the dental crown and the gingival penetrating section of the abutment during long-time use, effectively disperse and absorb the occlusal force generated in the chewing process, reduce the impact on the implant and the surrounding bone tissues, and prolong the service life of the implant.

The utility model discloses a gastric lavage device for preventing cannulas from being crunched, which relates to the technical field of medical instruments and comprises a stomach tube, the surface of the stomach tube is fixedly connected with an inflatable anti-bite component, the surface of the inflatable anti-bite component is fixedly connected with an oral cavity protection pad, the surface of the inflatable anti-bite component is fixedly connected with a connecting tube, and the connecting tube is fixedly connected with the connecting tube. An adjustable fixing device assembly is fixedly connected to the surface of the connecting tube, and a stomach tube fixing assembly is fixedly connected to the surface of the adjustable fixing device assembly; through the arrangement of the inflatable anti-biting assembly, medical staff can adjust the hardness and size by controlling the inflation amount so as to adapt to the oral cavity structures and requirements of different patients, can bear high pressure, prevents the stomach tube from being bitten, adapts to the occlusal force of different patients by adjusting the inflation amount, and is convenient to use through the arrangement of the pipeline fixing assembly. And the stomach tube can be firmly fixed at a proper position, so that the stomach tube is prevented from shifting due to the action of a patient.

The invention discloses a medical electronic occlusal dynamometer and a data analysis system, and relates to the technical field of medical instruments, and the medical electronic occlusal dynamometer comprises a handheld force measurement housing, a pressure signal scanning head and a film type sensor, the data analysis system comprises a data acquisition unit, an occlusal force spatial and temporal distribution calculation unit, an occlusal contact positioning unit, an occlusal force dynamic trajectory tracking unit and a result output unit. The occlusal force data of a patient in the occlusal test process are obtained through the film type pressure sensor, the occlusal force data are judged one by one to obtain effective occlusal force values, data source coordinates of the effective occlusal force values are correspondingly obtained, and an occlusal contact distribution diagram is obtained; meanwhile, ideal occlusal contact feature extraction is conducted based on the oral cavity internal structure three-dimensional space model, space coordinates of ideal occlusal contacts are obtained, and an ideal occlusal contact set is compared with effective occlusal force values on the occlusal contact distribution diagram one by one in position so as to judge whether the occlusal force of the patient reaches the standard or not.

The invention relates to the technical field of denture manufacturing, and provides a complete denture manufacturing method and a complete denture. The complete denture manufacturing method comprises the following steps: importing oral three-dimensional data into a computer aided design system, and generating a first denture digital model based on a complete denture design standard; adjusting an occlusal surface form and a contact point of the first denture digital model based on an occlusal habit and a chewing mechanics principle of the target object to obtain a second denture digital model; based on the second denture digital model, performing digital occlusal force simulation analysis by utilizing a finite element to obtain a stress distribution diagram and displacement change of the second denture digital model; based on the stress distribution diagram and the displacement change of the second denture digital model, adjusting the geometric shape, the adjacency relation and the occlusion relation of the second denture digital model to obtain a third denture digital model; and converting the third denture digital model into a 3D printing instruction, and carrying out 3D printing to obtain a complete denture 3D printing model.

The utility model discloses a dental implant angle abutment made of molybdenum-rhenium alloy material, which comprises an abutment upper structure and an abutment lower structure which are connected from top to bottom, the abutment upper structure comprises a truncated cone section and a connecting section, the lower end of the truncated cone section is connected with the connecting section, the connecting section and the truncated cone section are not coaxial, and the lower end of the truncated cone section is connected with the abutment lower structure. The connecting section is in threaded connection with the top of the abutment lower structure; the abutment upper structure and the abutment lower structure are both made of molybdenum-rhenium alloy materials. The dental implant is beneficial to angle matching of a long axis of a root crown after the implant is placed, ensures that the dental implant and surrounding bone tissues realize bony combination in the early stage and the soft tissues around an abutment are closed and combined, and effectively reduces occlusal force to bone structures around the implant and bone tissues around the abutment. Particularly, the long-term stable natural fusion state between the implant and the skeleton can be more prominently consolidated by stress interference of bone tissues around the neck of the implant and resistance to invasion of adverse factors of the oral environment.

The invention discloses an intelligent occlusion adjuster for dental restoration and an implementation method, and the intelligent occlusion adjuster comprises an occlusion detection module which is used for collecting occlusion data of a patient in real time through a pressure sensor array and an optical scanner which are integrated in a temporary crown restoration body, and the occlusion data comprise occlusion force distribution, occlusion height and contact point position; the data processing module is used for analyzing according to the occlusion data acquired by the occlusion detection module, generating a personalized occlusion adjustment scheme and transmitting the scheme to the control unit; the adjustment execution module is used for adjusting the occlusal surface height and the contact point position of the prosthesis through a micro motor and a transmission mechanism according to the adjustment scheme of the data processing module; the control unit is used for coordinating the work of each module and realizing integral intelligent control; and a display unit. Due to accurate digital control, millimeter-level and even micron-level occlusion adjustment can be realized.

The invention particularly relates to a three-dimensional reconstruction method and system for manufacturing a fixed restoration, and the method comprises the steps: obtaining an oral environment parameter set of a user, the oral environment parameter set at least comprises occlusal force distribution, temperature condition, bacteria attachment amount, bacteria attachment position distribution and use habits; substituting the oral environment parameter set of the user into a digital model generation module to construct an oral environment digital model; obtaining initial prosthesis parameters; substituting the initial restoration parameters and the oral environment digital model into a restoration three-dimensional optimization module to generate restoration optimization parameters and an optimized three-dimensional model of the restoration; and manufacturing the fixed prosthesis according to the prosthesis optimization parameters. According to the method, full-periodical performance prediction of the prosthesis and automatic optimization of the prosthesis are realized, the design efficiency of the prosthesis and the precision of a three-dimensional reconstruction model are improved, and intelligence and precision of a three-dimensional reconstruction technology in the manufacturing process of the prosthesis are realized.

The utility model discloses an occlusal force resistant false tooth, which relates to the technical field of false teeth and comprises a base platform, a threaded column extending into a tooth socket is fixed at the bottom of the base platform, a butt joint pipe is fixed at one end of the base platform far away from the threaded column, the butt joint pipe and the threaded column are coaxially arranged, a butt joint component is mounted on the butt joint pipe, and the butt joint component is fixedly connected with the base platform. An artificial tooth body is fixed to the end, away from the butt joint pipe, of the butt joint assembly, a plurality of bosses are evenly and fixedly installed on the base platform in the circumferential direction, and extension columns in butt joint with the artificial tooth body are fixed to the bosses. The butt joint column extends into the butt joint pipe, the guide sleeve is connected to the butt joint column in a sleeved mode, stable butt joint of the artificial tooth body and the base support table is achieved, the extension column and the annular sleeve body and the conical sleeve body on the extension column are in butt joint with the convex groove, the installation stability of the artificial tooth body is guaranteed, and the artificial tooth body can bear larger occlusal force.

The utility model provides a periodontal splint with a composite function, and belongs to the technical field of periodontal splints. Comprising a tooth body; the splint body is adhered to the tooth body; the two guide modules are respectively arranged at two ends of the tooth body and are used for assisting in positioning the splint body; the false teeth are arranged on the splint body. Personalized design can be carried out through oral cavity scanning data of a patient, it is ensured that the splint is perfectly attached to the specific tooth structure of the patient, tooth deficiency caused by periodontal diseases or other reasons can be filled through the arrangement of the false teeth, the chewing function of the patient is recovered, the attractiveness and pronunciation problems are improved, and the patient experience is improved. According to the periodontal splint, loose teeth and surrounding healthy teeth are connected through the splint body, the occlusal force can be dispersed, the burden of individual teeth is relieved, meanwhile, the periodontal splint fixes the teeth of a patient, displacement and extension of the teeth are limited, and the risk of food impaction is reduced.

According to the base applied to the wall switch socket, the annular surface is arranged to be of a structure with the high-position part and the low-position part, so that when the base is installed on a carrier, a screw is in an inclined state after the screw extends into an installation hole, and friction force and occlusal force between the screw and the carrier as well as between the screw and the base are further increased; and the stability and firmness of base installation are improved. Meanwhile, the screw limiting groove formed in the low-position part can further limit the screw, and the screw is prevented from loosening or displacing in the using process.