45 results about "Occlusal plane" patented technology

The invention discloses a three-dimensional stomatognathic model reconstruction system based on multi-modal data fusion. The system comprises a multi-modal data input unit, a template deformation reconstruction unit, a registration fusion unit, a multi-source data integration unit and an output unit. Through fusion processing of a CBCT image, an oral cavity vision measurement model and facial scanning data, a body deformation algorithm is adopted to couple biomechanical characteristics to realize craniojaw template deformation, and a non-rigid ICP algorithm is combined for dynamic regulation and control to realize facial template adaptation. A deep neural network is innovatively constructed to segment CBCT gingival data, the CBCT gingival data is fused with an oral cavity vision measurement model, and high-precision tooth reconstruction is realized by applying a differential geometry multi-scale curvature field segmentation and adversarial edge optimization technology. Through a composite registration strategy combining adaptive rigid registration and non-rigid registration, an occlusal plane constraint mechanism and an orbital curvature extreme point matching algorithm are innovatively introduced, finally, multi-source data high-precision registration fusion is realized, and a three-dimensional oral-jaw system model with anatomical structure integrity and clinical precision can be generated.

The method according to one aspect of the present disclosure is a method being performed by an electronic device comprising at least one processor, the method comprising: acquiring at least one two-dimensional scan image by scanning of the three-dimensional scanner and generating a three-dimensional scan data set regarding a subject's oral cavity based on the acquired at least one two-dimensional scan image, the three-dimensional scan data set comprising multiple three-dimensional coordinate values; generating first plane data corresponding to a virtual occlusal plane; determining multiple reference coordinate values based on the three-dimensional scan data set; generating second plane data corresponding to an occlusal plane of the subject's oral cavity based on the multiple reference coordinate values; and aligning the three-dimensional scan data set on the virtual occlusal plane by matching the first plane data with the second plane data.

The embodiment of the utility model provides a functional appliance for a high-angle mandibular retraction patient. The functional appliance comprises an upper jaw appliance, a lower jaw appliance, a head cap and a hooking part, the maxillary appliance is provided with a first induction inclined plane, a first adjacent hook, a retention snap ring and a hook; the first induction inclined surface and the first adjacent hook are arranged at the position of the upper bicuspid; the retention snap ring is arranged at the position of a first molar of the upper jaw; the hooks are arranged at the positions of lateral incisor teeth and upper canine teeth of the upper jaw; the lower jaw appliance is provided with a second induction inclined surface and a second adjacent hook; the second induction inclined surface is arranged at the position of the lower bicuspid and is matched with the first induction inclined surface; the second adjacent hook is arranged at the position of the lower bicuspid; the head cap is worn on the head of a corrected person; one end of the hooking component is connected with the head cap, and the other end of the hooking component is connected with the hook. The technical effects of increasing vertical control, lowering the maxillary dentition, adjusting the occlusal plane and improving the growth type of high-angle teenager patients can be achieved while the growth and development of the mandible are guided.

The invention discloses a tooth arrangement system based on an occlusal separation angle. The tooth arrangement system comprises a registration program module, a left and right condylar process central point setting program module, an occlusal plane adjusting program module, an angle calculation program module, an opening and closing mouth movement program module, an automatic tooth arrangement program module, a dental arch line adjusting program module and a tooth movement program module, according to the tooth arrangement method based on the condylar axis occlusal separation angle, the ideal occlusal separation angle serves as the target to calculate the appropriate occlusal plane angle, the angle of the mandibular plane angle reaches the normal range, a doctor is assisted in formulating a better correction scheme, and the tooth arrangement accuracy is improved. The correction result is more stable, and the tooth occlusion function reaches the optimal state.

A maxilla holder includes a base plate and a connecting member. One end of the connecting member is connected with the base plate which extends along a pre-designed occlusal plane while the other end of the connecting member includes at least two supporting portions. With the supporting portions abutting against the cranium, the base plate is positioned so that the maxilla is located in a pre-planned position once it is moved onto the base plate.

A series (100) of devices for assisting in the displacement of the chewing plane of a person (P) is explained, comprisingat least two devices (10),wherein the devices (10) each comprise at least one jaw device (11, 12),wherein the at least one jaw device (11, 12) comprises an upper jaw device (11) and / or a lower jaw device (12),and wherein the devices (10) are designed to be worn by the person (P) according to a predetermined sequence.In at least one device (10.1, 10.2), the at least one jaw device (11, 12) comprises at least one height element on a first side. At least two contact areas, preferably local contact areas, are formed on the at least one height element at mutually different positions of molar elements. At least one further contact area is formed on a second side of the at least one jaw device (11, 12), in particular a further local contact area. The at least three contact areas define the plane (GE),wherein the plane (GE) deviates from a starting chewing plane of the person (P) or from a current chewing plane of the person (P) with respect to its inclination changed by the at least one height element in a frontal section or sagittal section and / or deviates with respect to its height position changed by the at least one height element, andwherein in at least one other device of the series (100) a different inclination in a frontal section or sagittal section and / or a different height position of the respective plane is adjusted by at least one further height element, which differs from the at least one height element in the adjusted height.

The present disclosure discloses full-mouth zirconia implant method and system for full mouth reconstruction using one-piece ceramic zirconia dental implants. The full-mouth zirconia implant method comprises acquiring analog and digital impressions of tooth of patients; fabricating a temporary restoration based on acquired impressions; adapting medical professionals for administering anesthesia to the patients; placing the one-piece ceramic zirconia dental implants in a jaw of the patients; preparing at least four unextracted tooth for anchoring temporary restoration; anchoring and seating the temporary restoration on at least four unextracted tooth for avoiding premature contact with abutments of one-piece ceramic zirconia dental implants; initiating prosthodontic phase after healing period upon performing post-operative care; assessing smile of patients to determine whether an occlusal plane is parallel to a line connecting a tragus of an ear to an ala of nose of the patients; and placing a final restoration for the full mouth reconstruction.

A maxilla holder includes a base plate and a connecting member. One end of the connecting member is connected with the base plate which extends along a pre-designed occlusal plane while the other end of the connecting member includes at least two supporting portions. With the supporting portions abutting against the cranium, the base plate is positioned so that the maxilla is located in a pre-planned position once it is moved onto the base plate.

The utility model belongs to the technical field of oral medicine, and particularly relates to a split type jaw position relation recording tray which comprises an upper tray body and a lower tray body, and the upper tray body is detachably connected with the lower tray body. Arc-shaped grooves are prefabricated in the upper surface of the upper tray body and the lower surface of the lower tray body, and silicon rubber is placed in the arc-shaped grooves. The split type design is adopted, the tray is divided into the upper tray and the lower tray, the position of an occlusal plane can be accurately determined, and the boundary of upper and lower jaw teeth can be guided and arranged in the later period and cannot be obtained through an existing integrated median jaw tray; according to the utility model, the split type jaw position relation recording tray design is adopted, so that the position information about 1mm below the upper lip can be accurately obtained, and an accurate reference is provided for subsequent determination of the position of the lower edge of the upper anterior incisor.

The invention relates to a bracket (10) with a bracket slot for orthodontic treatment using a fixed treatment technique, which no longer requires ligation, i.e., attachment of the guide arch. This allows the brackets used to be significantly smaller and rounder, which is significantly more comfortable for the patients. The bracket (10) comprises a body (11) having: an adhesive surface (12) for adhesive attachment to a tooth; an outer surface (14) adjoining the adhesive surface (12); and a groove-shaped recess or bracket slot (20) provided in the outer surface (14), which runs parallel to a reference plane which corresponds to the occlusal plane or the gingival plane or is inclined by up to ± 45° thereto, wherein the groove-shaped recess (20) is delimited by: a groove base (22) facing the adhesive surface (12) and comprising a groove base section (26), two groove walls (32, 42) and a third groove wall (52).The bracket (10) is characterized in that an opening for inserting and removing an elastically twistable, spring-elastic guide arch (70) remains between a first groove wall (32) and the third groove wall (52) after the guide arch (70) has been twisted accordingly, the guide arch (70) having a rectangular, square or parallelogram-shaped cross-section, and in that the recess (20) is designed such that the guide arch (70) automatically locks itself between the first groove wall (32) and the second groove wall (42) in the recess (20) after the twisting has been reset and is thus automatically secured. Through recesses on the groove walls (32, 42) opposite the opening, slot-filling guide arches dimensioned precisely to the slot size can be inserted. Since each tooth can be activated in two opposing rotational directions with a torque in the bracket's longitudinal cross-section, there are differently designed recesses or a modified insertion direction for each rotational direction.

A registration device for the registration of facial topographic parameters is disclosed. The device comprises a base member, wherein the base member comprises a transverse section. The transverse section, in a central section thereof, comprises a coupling for rotationally immobile coupling to a referencing member. The base member further comprises two occlusal plane indicators extending in a posterior direction from the transverse section and is rotationally immobile connected to the transverse section. The occlusal plane indicators extend in a common plane. Two mandibular condyle indicator pointers are linked to the base member in a mobile linkage relationship allowing displacement of each mandibular condyle indicator pointer relative to the base member in a respective sagittal plane. A tragus indicator is pivotably coupled to each mandibular condyle indicator pointer. A method for using said device is further disclosed.

A kit (100) is explained, comprising means for supporting the migration of an occlusal plane of a person (P), comprising at least two means (10), where the means (10) each comprise at least one jaw means (11, 12), where the at least one jaw means (11, 12) comprises an upper jaw means (11) and / or a lower jaw means (12), and where the at least one jaw means (11, 12) comprises a lower jaw means (12) and / or a lower jaw means (12). The device (10) is designed such that the device is worn by a person (P) according to a predetermined order. In at least one device (10.1, 10.2), at least one jaw device (11, 12) comprises at least one height element on a first side. At least two contact regions, preferably at least two local contact regions, are configured at different positions of the molar element from each other at at least one height element. At least one further contact region, preferably at least one further local contact region, is formed on a second side of the at least one jaw device (11, 12). The at least three contact regions define a plane (GE), the plane differing from the initial occlusal plane of the person (P) or the current occlusal plane of the person (P) with respect to the inclination thereof, which is varied by the at least one height element in the frontal and / or sagittal cross-section, and / or with respect to the height position thereof, which is varied by the at least one height element, and wherein the at least three contact regions define a plane (GE), which differs from the initial occlusal plane of the person (P) or from the current occlusal plane of the person (P). In at least one further device of the kit (100), a further height position of the further inclination and / or the corresponding plane in the frontal section and / or sagittal section is adjusted by means of at least one further height element which differs from the at least one height element in the adjusted height.

The invention relates to a bracket (10) with a bracket slot for orthodontic treatment using a fixed treatment technique, which no longer requires ligation, i.e., attachment of the guide arch. This allows the brackets used to be significantly smaller and rounder, which is significantly more comfortable for the patients. The bracket (10) comprises a body (11) having: an adhesive surface (12) for adhesive attachment to a tooth; an outer surface (14) adjoining the adhesive surface (12); and a groove-shaped recess or bracket slot (20) provided in the outer surface (14), which runs parallel to a reference plane which corresponds to the occlusal plane or the gingival plane or is inclined by up to ± 45° thereto, wherein the groove-shaped recess (20) is delimited by: a groove base (22) facing the adhesive surface (12), two groove walls (32, 42) and a groove cover (52).The bracket (10) is characterized in that an opening for inserting and removing an elastically twistable, spring-elastic guide bow (70) by corresponding twisting of the guide bow (70) remains between a first groove wall (32) and the groove cover (52), and in that the recess (20) is designed in such a way that the guide bow (70) automatically locks in the recess (20) after the twisting has been reset and is thus automatically secured. Slot-filling guide arches, precisely dimensioned to the slot size, can be inserted through recesses on the groove walls (32, 42) opposite the opening. Since each number can be activated in two opposing rotational directions with a torque in the bracket's longitudinal cross-section, there are differently designed recesses or a modified insertion direction for each rotational direction.

The invention relates to a device for capturing images of a patient's teeth, the device comprising a main body (10), a lower protective shell (20) and an upper protective shell (30), the main body (10) comprising a handgrip portion (11) and a head portion (12), the head portion (12), when arranged in the mouth of a patient, covering all the teeth of a lower or upper set of teeth, the head portion (12) comprising a plurality of cameras (15), the lower protective shell (20) being removably attached beneath the head portion (12), the lower protective shell (20) being located on the front side of the cameras (15), the upper protective shell (30) being removably attached to the head portion (12), the upper protective shell (30) being located on the rear side of the cameras (15), all the cameras (15) being arranged in one and the same plane (P), and all the cameras (15) being oriented in one and the same direction toward the occlusal plane, and the lower protective shell (20) comprising a plurality of mirrors (25, 25', 25'') for generating viewpoints different from the direct viewpoint of each camera (15).

The invention provides a denture manufacturing method and system for assisting standardized tooth arrangement by using digitization, and the method comprises the steps: deleting digitized non-target teeth according to digitized target teeth in a digitized full-mouth model of the arranged teeth, and obtaining a digitized target full-mouth model, wherein the digital target teeth are arranged according to a designed tooth arrangement center line and an occlusion plane; designing a digitized base on the digitized target full-mouth model, and combining the digitized base with the digitized target teeth to obtain a digitized base assembly; a physical denture assembly is manufactured according to the digital denture assembly, the physical denture assembly comprises a physical target tooth, and the physical target tooth corresponds to the digital target tooth; and performing manual tooth arrangement on the real object base plate assembly based on the tooth arrangement center line and the occlusal plane determined by the real object target tooth. The problems that in the prior art, full-manual tooth arrangement standards are difficult to unify, so that the product quality is uneven, and the product quality is not easy to control are solved.

A maxilla holder includes a base plate and a connecting member. One end of the connecting member is connected with the base plate which extends along a pre-designed occlusal plane while the other end of the connecting member includes at least two supporting portions. With the supporting portions abutting against the cranium, the base plate is positioned so that the maxilla is located in a pre-planned position once it is moved onto the base plate.

Disclosed is a technique for aligning three-dimensional data of an oral cavity to an occlusal plane. A method performed by an electronic device according to an aspect of the present disclosure may include the steps of: obtaining first data which is three-dimensional data for an oral cavity including a plurality of teeth; determining three-dimensional center coordinates of each of the plurality of teeth indicated by the first data; determining one or more target teeth among the plurality of teeth; determining one or more reference center points respectively corresponding to the one or more target teeth on an occlusal plane for aligning the plurality of teeth; and generating a transformation matrix for aligning the first data to the occlusal plane on the basis of three-dimensional center coordinates of each of the one or more target teeth and the one or more reference center points.

This orofacial myofunctional rehabilitation splint is characterized by a lower vertical outer wall (2) with a reduced height of 2 or 3 mm at most, allowing the resting pressure of the orbicularis oris muscle to be exerted on the mandibular alveolar arch. This feature helps prevent, or even reduce after an interceptive treatment phase, unwanted labial tipping of the mandibular incisors. This splint is further characterized by a tongue ramp (3) without a wall along the lingual edge of the upper part of the occlusal plane (8). The tongue ramp (3) thus continues laterally with the occlusal plane (4) via a rounded edge (8). This feature induces passive elevation and propulsion of the tongue, which is accompanied by an opening of the upper airways and helps to reduce snoring and retrain swallowing.The tongue ramp (3) is extended anteriorly by an anterior guide for the tip of the tongue (9). This guide is specifically designed to lift and guide the tip of the tongue forward and upward, ensuring its proprioceptive contact with the retro-incisive papilla, in order to open the upper airways and promote the rehabilitation of swallowing and resting tongue posture. The device according to the invention is particularly intended for the rehabilitation of breathing, swallowing, and tongue posture; the improvement of obstructive sleep-disordered breathing, particularly snoring; and the improvement of dental occlusion.

Techniques for aligning three-dimensional data of an oral cavity with an occlusal plane are disclosed. According to one aspect of the present disclosure, a method performed by an electronic device may comprise the steps of: acquiring first data, the first data being three-dimensional data of an oral cavity comprising a plurality of teeth; determining a three-dimensional center coordinate of each of the plurality of teeth indicated by the first data; determining one or more target teeth in the plurality of teeth; determining one or more reference center points respectively corresponding to one or more target teeth on an occlusal plane for aligning the plurality of teeth; and generating a transformation matrix for aligning the first data with the occlusal plane based on the three-dimensional center coordinate of each of the one or more target teeth and the one or more reference center points.

The application discloses a kind of occlusion process tooth abutment area gap detection method and system, belong to stomatology field, specifically include: collection detector mouth inlay area target tooth crown three-dimensional surface data and three-dimensional cheek side occlusion data;The three-dimensional scanning data described above is handled to obtain inlay area crown three-dimensional surface data after occlusion;Fusion the inlay area crown three-dimensional surface data before occlusion and the inlay area crown three-dimensional surface data after occlusion, obtain inlay area before and after occlusion tooth abutment area gap change feature;Obtain the abutment area gap of inlay area before and after occlusion tooth or non-inlay area before and after occlusion tooth before and after occlusion.The application carries out early data collection using mouth three-dimensional scanning technology, then combines area-line-point-line-area data processing process, accurately extracts the abutment area gap of adjacent tooth in mouth before and after occlusion Change feature, with quantifiable, repeatability, objectivity and the like features.

This invention relates to the field of oral medicine technology, and particularly to a method and system for automatic full-mouth tooth arrangement based on occlusal plane feature points. The method involves acquiring dental model information, scanning and automatically arranging teeth from both the upper and lower jaws, further acquiring the centroid coordinates of each tooth, the first limiting distance for each tooth, the feature points on each tooth surface, and the set allowed movement direction; pairing the upper and lower jaw teeth; aligning the z-axis of the centroid coordinates of each tooth pair; performing coarse registration of the tooth pairs based on the first limiting distance and the allowed movement direction; and completing fine registration of the upper and lower jaw teeth by constructing an objective function based on the point cloud data of the two teeth in the tooth pair. An objective function is also constructed based on the alveolar ridge crest line and the minimum distance between two adjacent teeth in the same jaw to optimize tooth arrangement. This invention prioritizes perfect occlusion of tooth pairs while optimizing tooth arrangement, improving the aesthetics and neatness of the tooth arrangement result.

The invention relates to a custom tool for forming a dental restoration in a mouth of a patient including an occlusal plane. The custom tool comprising a facial mold body for a patient-specific, customized fit with the facial side of at least one tooth of the patient, wherein the facial mold body includes a restorative portion and a first engagement portion extending away from the restorative portion, a lingual mold body for a patient-specific, customized fit with the lingual side of the tooth of the patient, wherein the lingual mold body includes a restorative portion and a first engagement portion extending away from the restorative portion. The first engagement portion of the facial mold body interlocks with the first engagement portion of the lingual mold body. The facial mold body and lingual mold body are configured to combine with the tooth of the patient to form a mold cavity encompassing missing tooth structure of at least one tooth to be restored. The first engagement portion of the facial mold body and the first engagement portion of the lingual mold body extend generally perpendicular to the occlusal plane, and wherein either (i) the first engagement portions are sized and shaped to be adjacent the posterior teeth of the patient, and the restorative portions are sized and shaped to mate with the anterior teeth; or (ii) the first engagement portions are sized and shaped to be adjacent the anterior teeth of the patient, and the restorative portions are sized and shaped to mate with the posterior teeth.

The application belongs to the technical field of medical oral cavity repair, and discloses a digital-based oral cavity occlusion reconstruction method, device, equipment and storage medium. The method comprises the following steps: acquiring head CBCT data and oral cavity data of a current patient, and establishing a skull model; marking key information points on the skull model to generate marking information; performing data analysis on the marking information to obtain key occlusal surface information; determining occlusal plane position information according to the key occlusal surface information; establishing an occlusion reconstruction model according to the occlusal plane position information; simulating occlusion movement according to the occlusion reconstruction model to obtain a simulation result; when the simulation result does not conform to a preset abnormal scene, determining that the occlusion reconstruction model is a target occlusion reconstruction model; and performing cutting processing according to the target occlusion reconstruction model to obtain a denture prosthesis of the current patient. In the above manner, the fitting accuracy of the denture prosthesis is improved, the process flow is saved, and the production speed of the denture prosthesis is accelerated.

The present disclosure provides a patch attachable to the occlusal plane of posterior teeth, which includes: a drug layer; a backing layer in contact with the drug layer; and a removable part in contact with the backing layer. The patch can be provided as a single-sided type or a double-sided type. It may also be provided as a linear type or a symmetric type. The present disclosure is directed to providing a patch that can be easily attached to the occlusal plane of posterior teeth.

The invention relates to the technical field of image processing, and discloses a dental three-dimensional digital model coordinate system analysis method, device, equipment and medium, and the method comprises the steps: obtaining a dental three-dimensional digital model of a target user, calculating an occlusal plane of a dental region in the dental three-dimensional digital model, and extracting a normal vector of the occlusal plane; mapping a single jaw model in the dental three-dimensional digital model into a dental projection depth map according to the occlusal plane and the normal vector; extracting multi-scale depth features of the tooth jaw projection depth map, and performing pooling operation on the multi-scale depth features to obtain a tooth jaw type; performing up-sampling fusion on the multi-scale depth features to generate a two-dimensional key point heat map; calculating a dental region direction vector of a target tooth in the dental three-dimensional digital model according to the dental type and the two-dimensional key point heat map; and determining a dental coordinate system of the dental three-dimensional digital model according to the dental region direction vector, the normal vector and the dental type. And the accuracy of coordinate system analysis of the dental three-dimensional digital model is improved.

The utility model discloses a digital Gothic bow device which comprises an upper jaw bow matched with the upper jaw of a patient and a lower jaw bow matched with the lower jaw of the patient, and the upper jaw bow and the lower jaw bow are detachably provided with an occlusion piece used for obtaining a closed impression or a tracing piece used for obtaining the median jaw position relation. At least one of the maxillary arch and the mandibular arch is adjusted, that is, the inside of the mouth of a patient is adjusted according to clinical practice, and a correct jaw plane is obtained. A jaw plane is used as a reference and matched with the occlusion pieces, the closed impression of a patient is obtained through closed occlusion of the patient, the patient occludes in a closed mode and is in a correct occlusion relation, the upper occlusion piece and the lower occlusion piece make close contact, the more accurate closed impression is obtained, and the edge of the occlusion relation position is more accurately shaped. And by matching with a tracing piece, the median jaw position relationship of the patient is accurately obtained, the problem of equally dividing the occlusion gap according to personal experience is solved, and the jaw position relationship better conforms to the actual occlusion condition of the patient.

The invention relates to the field of image processing, in particular to a tooth occlusion feature analysis method based on image processing. Comprising the following steps: acquiring and preprocessing an oral cavity image to obtain a preprocessed oral cavity image; based on the preprocessed oral cavity image, calculating a gradient magnitude and a gray histogram, determining an occlusion plane, and dividing the tooth boundary point set into an upper tooth contour point set and a lower tooth contour point set according to the occlusion plane; determining an upper and lower tooth contour contact point pair set based on the upper and lower tooth contour point set; and introducing an occlusion geometric feature quantification algorithm to extract a weighted pressure distribution coefficient and a contact point density coefficient, comparing the weighted pressure distribution coefficient and the contact point density coefficient with a clinical standard value range based on an orthodontic clinical database, analyzing whether the tooth occlusion state is normal, and generating a diagnosis report. The technical problems that upper and lower teeth and an occlusal plane are difficult to accurately distinguish by a traditional oral image processing method, and particularly under noise interference, identification of tooth boundaries and occlusal wax areas is easy to make mistakes, so that deviation of subsequent occlusal analysis is caused are solved.

A method for manufacturing an early treatment appliance for guiding mandibular growth and reconstruction with a maxillary occlusal structure is provided. A maxillary arch is arranged by determining a functional occlusal plane, a treatment target position of a maxillary first molar, a treatment target position of a maxillary central incisor, a treatment target positions of canine to bicuspid in a middle section of the maxillary arch, and a maxillary arch form, and a target mandibular arch is determined based on a centric relation jaw position and the target maxillary arch, and then the mandibular occlusion reconstruction is guided by adjusting the mandibular arch or arranging a jaw pad based on the condition of the child. The maxillary arch structure can be restored to a normal range conforming to the age and growth pattern structure of an individual while the pathogenesis is controlled.

A method for configuring an occlusal plane comprises the steps in which: a data processing unit obtains a tomographic image including a hard tissue image and a soft issue image of a facial area including a tooth of a patient through cone beam-computed tomography (CBCT); a landmark detection unit detects a landmark in the tomographic image through a trained detection model; and an occlusal plane definition unit defines an occlusal plane with reference to the landmark detected in the tomographic image.

The utility model provides an accessory structure for invisible correction, which comprises an accessory body fixedly arranged on a dental surface, and the accessory body is T-shaped and / or L-shaped. The T-shaped accessory body comprises a vertical arm and a horizontal arm, the vertical arm is fixed with a tooth surface and forms a moment fulcrum on a gingival side / a coronal side, the horizontal arm is fixedly arranged at one end of the vertical arm and extends in a near-far middle direction to generate a bidirectional lever effect, and a connecting part is arranged at the joint of the vertical arm and the horizontal arm; the L-shaped accessory body comprises a long arm leading stress conduction in the horizontal direction and a short arm fixedly connected with one end of the long arm and used for limiting in the vertical direction, the problem of dentition adduction of a protuberant surface type is solved, occlusal plane adjustment is achieved through the synergistic effect of the accessory body and an implant anchorage, and the effect of improving the surface type of a patient is achieved.