阅读说明：本技术 一种颌位性凹面畸形矫治系统及其设计方法 (Orthodontics concave surface deformity correction system and design method thereof ) 是由 沈刚 姚峻峰 于 2019-09-20 设计创作，主要内容包括：一种颌位性凹面畸形矫治系统及其设计方法,其中矫治系统包括一具有壳状本体的上颌壳状牙科器械,壳状本体对应的后牙区位置处向对颌方向凸出设置凸起部,壳状本体唇侧面设有牵引部,壳状本体对应的后牙区设有与固位附件扣合的固位部；凸起部与下颌后牙区配合进行咬合重建,使下颌切牙与上颌切牙趋于对齐；牵引部配合上颌颌外反向牵引,使颌骨矫形重塑；固位部与固位附件卡扣防止上颌壳状牙科器械从其配合的牙齿上脱落。设计方法为上述颌位性凹面畸形矫治系统的设计方法,能够设计出具有治疗针对性的矫治系统,实现颌位性凹面畸形的治疗。(A correcting system for concave deformity of jaw position and its design method, wherein the correcting system comprises a maxillary shell-shaped dental appliance with a shell-shaped body, a position of a posterior tooth zone corresponding to the shell-shaped body is provided with a convex part protruding towards the jaw direction, a side of lip of the shell-shaped body is provided with a traction part, and the posterior tooth zone corresponding to the shell-shaped body is provided with a retention part buckled with a retention accessory; the convex part is matched with the lower jaw posterior tooth area to carry out occlusion reconstruction, so that the lower jaw incisors and the upper jaw incisors tend to align; the traction part is matched with the maxillomandibular reverse traction to reshape and reshape the jaw; the retainer snaps with the retention attachment to prevent the maxillary shell dental appliance from falling off of its mating teeth. The design method is the design method of the jaw concave deformity correction system, and the correction system with treatment pertinence can be designed to realize treatment of the jaw concave deformity.)

1. A concave deformity correcting system for the jaw position comprises an upper jaw shell-shaped dental appliance with a shell-shaped body, and is characterized in that a plurality of cavities for accommodating teeth are arranged on the shell-shaped body, a protruding part is convexly arranged at the position of a back tooth area corresponding to the shell-shaped body in the jaw direction, a traction part is arranged on the side surface of the lip of the shell-shaped body, and a retaining part buckled with a retaining accessory is arranged at the back tooth area corresponding to the shell-shaped body;

the convex part is matched with the lower jaw posterior tooth area to carry out occlusion reconstruction, so that lower jaw incisors and upper jaw incisors tend to align; the traction part is matched with the maxillomandibular reverse traction to reshape and reshape the jaw; and

the shape of the anterior tooth zone of the maxillary shell-shaped dental instrument is gradually changed to enable corresponding teeth to be gradually aligned from an initial position to a correction target position, and the height of the protruding part arranged on the maxillary shell-shaped dental instrument is gradually reduced along with the shape of the anterior tooth zone of the maxillary shell-shaped dental instrument.

2. The concave orthomandibular deformity correction system of claim 1, wherein: the dentognathic concave deformity correction system further comprises a mandibular shell-shaped dental appliance, the mandibular shell-shaped dental appliance comprises a shell-shaped body for accommodating a plurality of mandibular teeth, and the shape of the anterior tooth area of the mandibular shell-shaped dental appliance is gradually changed to gradually press down the corresponding teeth from the initial position to the correction target position while the mandibular is reshaped.

3. The concave orthomandibular deformity correction system of claim 2, wherein: the jaw concave deformity correction system further comprises a first jaw traction piece arranged on the upper jaw shell-shaped dental appliance and a second jaw traction piece arranged on the lower jaw shell-shaped dental appliance, and after the jaw is reshaped, the first jaw traction piece is connected with the second jaw traction piece through an elastic piece, so that the upper and lower jaw teeth can adjust the occlusion relation.

4. The concave orthomandibular deformity correction system of claim 3, wherein: the concave deformity correcting system for the maxillofacial features further comprises a first interactive traction piece arranged on the upper jaw shell-shaped dental instrument and a second interactive traction piece arranged on the lower jaw shell-shaped dental instrument, wherein after the maxilla is reshaped and remodeled, the first interactive traction piece and the second interactive traction piece are connected through an elastic piece before the occlusion relation of the upper and lower jaw teeth is adjusted, so that the back teeth are released from the open jaw.

5. The concave orthomandibular deformity correction system of claim 3, wherein: the shape of the posterior dental area of the mandibular shell-shaped dental appliance is gradually changed to gradually and integrally retract the corresponding teeth from the initial position to the correction target position.

6. The concave orthomandibular deformity correction system of claim 3, wherein: the system is rescued to jaw position nature concave surface deformity still includes the jaw internal traction piece that sets up on jaw shell form dental instrument down and the planting anchorage piece that sets up on jaw alveolar bone down, and jaw orthopedic after remolding, planting anchorage piece passes through the elastic component with the jaw internal traction piece and is connected, makes upper and lower jaw tooth adjustment occlusal relation.

7. The concave orthomandibular deformity correction system of claim 1, wherein: the part of the convex part facing to the occlusal surface of the jaw dentition is provided with a friction part which increases the stable contact of the upper jaw and the lower jaw during occlusion reconstruction.

8. The concave orthomandibular deformity correction system of claim 7, wherein: the friction part is one or the combination of two or more of a structure which is matched with the occlusal surface of the opposite jaw teeth in a concave-convex manner, a structure which is matched with the occlusal surface of the opposite jaw teeth in an occlusion manner, a structure with a frosted surface, a structure with convex points, a structure with a hollowed surface or a structure with a hole surface.

9. The concave orthomandibular deformity correction system of claim 1, wherein: the retainer is provided with at least two outer surfaces, and each outer surface of the retainer and the labial side surface of the maxillary shell-shaped dental instrument form a certain included angle.

10. The concave orthomandibular deformity correction system of claim 9, wherein: the retention part comprises a first curved surface and a second curved surface, the first curved surface and the second curved surface enclose and form a retention accessory containing space with one open end and the other closed end, the bending direction of the first curved surface is the same as that of the second curved surface, and the curvature of the first curved surface is different from that of the second curved surface.

11. The system of claim 10, wherein an angle formed by a tangent at any point on the first curved surface and a tangent at any point on the second curved surface is acute.

12. A design method of a concave deformity correction system for maxillofacial features is characterized in that: the method comprises the following steps:

designing a maxillary shell-shaped dental instrument with a shell-shaped body, and adjusting the shape of an anterior tooth area of the maxillary shell-shaped dental instrument to enable teeth corresponding to the anterior tooth area to be gradually aligned from an initial position to a correction target position;

a convex part protruding towards the jaw direction is arranged at the position of a posterior tooth area corresponding to the upper jaw shell-shaped dental instrument, and the convex part is matched with the lower jaw posterior tooth area to achieve occlusion reconstruction so that lower jaw incisors and upper jaw incisors tend to be aligned;

arranging a retaining part on the part, corresponding to the tooth, wrapped by the convex part, wherein the retaining part is buckled with a retaining accessory arranged on the tooth;

a traction part is arranged on the labial side surface of the outer surface of the maxillary shell-shaped dental appliance, which is contacted with teeth, and the traction part is matched with the maxillary extramaxillary reverse traction to reshape the jaw;

wherein the height of the convex part arranged on the maxillary shell-shaped dental appliance is gradually reduced along with the change of the shape of the anterior tooth area of the maxillary shell-shaped dental appliance.

13. The method of designing a concave orthomandibular deformity correction system of claim 12 further including designing a mandibular shell dental appliance that gradually changes the shape of the anterior dental area of the appliance to gradually depress corresponding teeth from an initial position to a target correction position while reshaping the jaw.

14. The method for designing a concave orthomandibular deformity correction system of claim 13, wherein: the design method further comprises the step of arranging a first jaw traction piece on the upper jaw shell-shaped dental instrument and arranging a second jaw traction piece on the lower jaw shell-shaped dental instrument, and after the jaw bone is reshaped, the first jaw traction piece and the second jaw traction piece are connected to enable the upper jaw tooth and the lower jaw tooth to adjust the occlusion relation.

15. The method for designing a concave orthomandibular deformity correction system of claim 14, wherein: the design method further comprises the step of arranging a first interactive traction part on the upper jaw shell-shaped dental instrument and arranging a second interactive traction part on the lower jaw shell-shaped dental instrument, wherein after the jaw bone is reshaped and reshaped, the first interactive traction part and the second interactive traction part are connected before the upper jaw and the lower jaw adjust the occlusion relation, so that the back teeth are released from the jaw.

16. The method for designing a concave orthomandibular deformity correction system of claim 14, wherein: the lower jaw shell-shaped dental appliance is designed in such a way that the shape of the posterior tooth zone is gradually changed, so that the corresponding teeth are gradually and integrally retracted from the initial position to the correction target position.

17. The method for designing a concave orthomandibular deformity correction system of claim 13, wherein: the design method further comprises the steps that an intramaxillary traction piece is arranged on the lower jaw shell-shaped dental appliance, an implant anchorage piece is arranged on the lower jaw alveolar bone, and after the jaw bone is reshaped, the implant anchorage piece is connected with the intramaxillary traction piece through an elastic piece, so that the upper and lower jaw teeth can adjust the occlusion relation.

Technical Field

The invention relates to the technical field of medical instruments, in particular to a tooth correction design technology, and particularly relates to a jaw concave deformity correction system and a design method of the jaw concave deformity correction system.

Background

Malocclusion refers to congenital genetic factors or acquired environmental factors such as diseases, bad habits of the oral cavity, dysdonia of tooth replacement, etc., and may also be caused by trauma and periodontal diseases after growth, such as misalignment of teeth, abnormal occlusion of upper and lower dental arches, abnormal size and position of jaw, facial deformity, etc. The factors and mechanisms of malocclusion are intricate, and the process of occurrence may be effected by a single factor and a single mechanism, or may be the result of multiple factors or multiple mechanisms acting together. The pathogenesis of the malocclusion deformity can be divided into two categories, namely congenital factors and acquired factors, from the time of the formation of the malocclusion deformity, but aiming at the generation mechanism of the individual malocclusion deformity, the pathogenesis of the malocclusion deformity can be divided into internal genetic factors and external environmental factors.

The concave deformity of the jaw position is mainly used for the inertia drafting of the lower jaw, the upper jaw is slightly deficient, and the lower jaw is better in shape and flat and square. In the early stage of the permanent dentition, the anterior teeth are reversely covered and covered, and the molar teeth and the canine teeth are in a mesial relationship, namely, the posterior teeth are completely mesial, the canine teeth are mesial, and the maxillary canine teeth and the mandibular canine teeth are aligned with each other.

An important clinical feature of concave deformity in jaw position is that the mandible can be forced backward until the upper and lower anterior teeth are bisected, and the posterior teeth are opened and closed because of the mandible depth space curve.

The three types of malocclusion of Anshi are caused by the abnormal relation between the upper and lower jawbone and dental arch, the lower jaw and lower dental arch are in the middle position, and the molar is in the middle relation; if the mandible is advanced by a distance of 1/4 molars or half of a premolar, i.e., the mesial buccal tip of the upper first constant molar is opposite the distal buccal tip of the lower first constant molar, a mild mesio-malocclusion relationship or onset of mesio-malocclusion is referred to. If the lower jaw or arch is in a more mesial position such that the mesial buccal tip of the first permanent molar of the upper jaw bites between the first and second permanent molar of the lower jaw, called fully mesial malocclusion, three types of river crossings can be expressed as anterior to jaw, underbite or open jaw, maxillary retraction or mandibular protrusion, etc. The facial changes exhibited in some cases are concave deformities.

The concave deformity can be divided into alveolar, maxillofacial and bone-derived concave deformities, wherein the clinical manifestations of the alveolar concave deformity are that the side surface is slightly concave, the lateral area of the nose is seen from the front, the steepness of the lower jaw is normal without collapse, the front teeth are less repeatedly covered, and the molar is slightly in-line, which is mainly caused by the local factors of the alveolar, the maxilla is normal, and the lower jaw is preferably rectangular in shape.

The clinical manifestations of the concave deformity of jaw position are obvious concave surface in side view, normal lower jaw steepness, repeated and large overlapping of anterior teeth, deep closure of lower jaw, receding of lower jaw to the anterior area, facing of upper and lower incisor, molar mesiodial relation, which is mainly caused by the inertia of lower jaw, insufficient development of upper jaw, and the retroversion of upper jaw mainly caused by jaw position factor, slight retroversion of upper jaw, and better and rectangular shape of lower jaw.

The bone source concave deformity is divided into three types: the clinical manifestations of the upper jaw source type are that the concave surface is obvious in side view, the collapse of the nasal side area is obvious in front view, the lower jaw steepness is normal, the front tooth coverage is large, the back tooth coverage is small, the molar mesial relationship is mainly caused by the fact that the upper jaw is insufficient in all directions, the tooth socket and the basal bone are compensated in the reverse direction, a tooth socket and a basal bone moving position are formed to be sunken, the upper jaw is insufficient, and the lower jaw is good in shape and rectangular; the clinical manifestations of the lower jaw source type are that the upper jaw is normal, the lower jaw plane steepness is large, the concave surface is obvious, the front tooth underbite coverage is small, the back tooth area is covered repeatedly, molar is in a mesial relation, the lower jaw is in all-around transition, the tooth space and the jaw are compensated reversely, so that the lower front tooth is upright or tongue-inclined, the upper jaw is slightly retracted, the lower jaw is not in good shape, becomes thick and heavy triangle, the shallow recess is convergent backwards, and the deep recess is protruded forwards; the clinical manifestations of the upper and lower origin type are that the upper and lower parts contract upwards and downwards and protrude upwards and downwards in the side view, the lateral area of the nose is sunken, the anterior teeth are small in repeated coverage, the posterior teeth area is in repeated coverage, and molar teeth are in complete mesial relationship, which is mainly characterized in that the upper jaw is lack of all-dimensional development, the lower jaw is excessive in all-dimensional development, the upper jaw is obvious in retroreduction, the lower jaw is not good in shape, and is in a thick and heavy triangle, the shallow recess converges backwards, and the deep recess is protrusive forwards.

For the case of concave surface deformity, the invisible appliance is adopted for treatment in the whole process, the treatment needs to be completed by means of other dental auxiliary equipment, such as a front tractor, a traction hook and the like, the shape of the invisible appliance can be changed correspondingly in the process, and the invisible appliance prepared by the design method for the invisible appliance with the concave surface deformity can be directly designed on the invisible appliance, the treatment effect cannot be predicted for the type and the position of the added dental auxiliary equipment, the invisible appliance is directly prepared and worn by a patient, the treatment result is determined only by the clinical experience of a clinician, so the treatment risk exists, the improvement is performed on the invisible appliance, the verification of different effects can be performed on the expected treatment effect, and the treatment risk can be effectively reduced.

In the field of tooth correction, no means of adopting an invisible corrector is applied to comprehensive correction of the mandibular concave deformity at present, so that the method for treating the mandibular concave deformity by using the invisible tooth correction has important significance.

Disclosure of Invention

The invention solves the technical problem of providing a correcting system for the concave deformity of the jaw position, which adopts the cooperation of a shell-shaped dental instrument and an auxiliary device to divide different correcting stages, gradually realizes the correction of the concave deformity of the jaw position and improves the wearing comfort of a patient on the premise of not influencing the correcting effect.

The invention also provides a design method of the jaw concave deformity correction system, the jaw concave deformity correction system is set according to the actual correction stage, different shell-shaped dental instruments are designed to be matched with the auxiliary device according to different correction stages, and the final correction effect is achieved.

The technical scheme provided by the invention is as follows:

a concave deformity correcting system for the jaw position comprises an upper jaw shell-shaped dental appliance with a shell-shaped body, and is characterized in that a plurality of cavities for accommodating teeth are arranged on the shell-shaped body, a protruding part is convexly arranged at the position of a rear tooth area corresponding to the shell-shaped body in the opposite jaw direction, a traction part is arranged on the side surface of the lip, which is in contact with the teeth, of the outer surface of the shell-shaped body, and a fixing part buckled with a fixing accessory is arranged at the rear tooth area corresponding to the shell-shaped body;

the convex part is matched with the lower jaw posterior tooth area to carry out occlusion reconstruction, so that lower jaw incisors and upper jaw incisors tend to align; the traction part is matched with the maxillomandibular reverse traction to reshape and reshape the jaw; and

the shape of the anterior tooth zone of the maxillary shell-shaped dental instrument is gradually changed to enable corresponding teeth to be gradually aligned from an initial position to a correction target position, and the height of the protruding part arranged on the maxillary shell-shaped dental instrument is gradually reduced along with the shape of the anterior tooth zone of the maxillary shell-shaped dental instrument.

Further, the orthodontics concave deformity correction system further comprises a mandibular shell-shaped dental appliance, wherein the mandibular shell-shaped dental appliance comprises a cavity shell-shaped body for accommodating a plurality of mandibular teeth, and when the mandibular teeth are reshaped, the shape of the anterior tooth area of the mandibular shell-shaped dental appliance is gradually changed to gradually press the corresponding teeth from the initial position to the correction target position.

Further: the jaw concave deformity correction system further comprises a first jaw traction piece arranged on the upper jaw shell-shaped dental appliance and a second jaw traction piece arranged on the lower jaw shell-shaped dental appliance, and after the jaw is reshaped, the first jaw traction piece is connected with the second jaw traction piece through an elastic piece, so that the upper and lower jaw teeth can adjust the occlusion relation.

Further, when the jaw is large: the concave deformity correcting system for the maxillofacial features further comprises a first interactive traction piece arranged on the upper jaw shell-shaped dental instrument and a second interactive traction piece arranged on the lower jaw shell-shaped dental instrument, wherein after the maxilla is reshaped and remodeled, the first interactive traction piece and the second interactive traction piece are connected through an elastic piece before the occlusion relation of the upper and lower jaw teeth is adjusted, so that the back teeth are released from the open jaw.

Furthermore, the shape of the posterior dental area of the mandibular shell-shaped dental appliance is gradually changed to gradually and integrally retract the corresponding teeth from the initial position to the correction target position.

Furthermore, the system is rescued to concave surface deformity of jaw position nature still includes the jaw internal traction piece that sets up on the shelly dental appliance of lower jaw and the planting anchorage piece that sets up on the alveolar bone of lower jaw, and jaw orthopedic after remolding, planting anchorage piece passes through the elastic component with the jaw internal traction piece and is connected, makes upper and lower jaw tooth adjustment occlusal relation.

Furthermore, the part of the convex part facing to the occlusal surface of the jaw dentition is provided with a friction part for increasing stable contact of the upper jaw and the lower jaw during occlusion reconstruction.

Further, the friction part is one or a combination of two or more of a structure which is matched with the occlusal surface of the opposite jaw teeth in a concave-convex manner, a structure which is matched with the occlusal surface of the opposite jaw teeth in an occlusion manner, a structure with a frosted surface, a structure with convex points, a structure with a hollowed-out surface or a structure with a hole surface.

Further, the retaining part is provided with at least two outer surfaces, and each outer surface of the retaining part and the labial side of the maxillary shell-shaped dental instrument form a certain included angle.

Furthermore, the retention part comprises a first curved surface and a second curved surface, the first curved surface and the second curved surface enclose and form a retention accessory accommodating space with one open end and the other closed end, the bending direction of the first curved surface is the same as that of the second curved surface, and the curvature of the first curved surface is different from that of the second curved surface.

Furthermore, an included angle formed by the tangential direction of any point on the first curved surface and the tangential direction of any point on the second curved surface is an acute angle.

A design method of a concave deformity correcting system for maxillofacial features comprises the following steps:

designing a maxillary shell-shaped dental instrument with a shell-shaped body, and adjusting the shape of an anterior tooth area of the maxillary shell-shaped dental instrument to enable teeth corresponding to the anterior tooth area to be gradually aligned from an initial position to a correction target position;

a convex part protruding towards the jaw direction is arranged at the position of a posterior tooth area corresponding to the upper jaw shell-shaped dental instrument, and the convex part is matched with the lower jaw posterior tooth area to achieve occlusion reconstruction so that lower jaw incisors and upper jaw incisors tend to be aligned;

arranging a retaining part on the part, corresponding to the tooth, wrapped by the convex part, wherein the retaining part is buckled with a retaining accessory arranged on the tooth;

a traction part is arranged on the labial side surface of the outer surface of the maxillary shell-shaped dental appliance, which is contacted with teeth, and the traction part is matched with the maxillary extramaxillary reverse traction to reshape the jaw;

wherein the height of the convex part arranged on the maxillary shell-shaped dental appliance is gradually reduced along with the change of the shape of the anterior tooth area of the maxillary shell-shaped dental appliance.

Further, the design method further comprises designing a mandibular shell dental appliance, wherein the shape of the anterior dental area of the mandibular shell dental appliance is gradually changed to gradually lower the corresponding teeth from the initial position to the correction target position while the jaw bone is reshaped.

Furthermore, the design method also comprises the steps that a first jaw traction piece is arranged on the upper jaw shell-shaped dental appliance, a second jaw traction piece is arranged on the lower jaw shell-shaped dental appliance, and after the jaw bone is reshaped, the first jaw traction piece and the second jaw traction piece are connected to enable the upper jaw tooth and the lower jaw tooth to adjust the occlusion relation.

Furthermore, the design method also comprises the step of arranging a first interactive traction part on the upper jaw shell-shaped dental instrument and arranging a second interactive traction part on the lower jaw shell-shaped dental instrument, wherein after the jaw bone is reshaped and reshaped, the first interactive traction part and the second interactive traction part are connected before the occlusion relation of the upper and lower jaw teeth is adjusted, so that the back teeth are released from the jaw.

Further, the mandibular shell dental appliance is designed such that the posterior dental zone gradually changes in shape to gradually retract the corresponding teeth from the initial position generally to the target position for correction.

Furthermore, the design method also comprises the steps that an intramaxillary traction piece is arranged on the lower jaw shell-shaped dental appliance, an implant anchorage piece is arranged on the lower jaw alveolar bone, and after the jaw bone is reshaped, the implant anchorage piece is connected with the intramaxillary traction piece through an elastic piece, so that the upper and lower jaw teeth can adjust the occlusion relation.

The jaw concave deformity correction system and the design method thereof provided by the invention have the following beneficial effects:

1) the invention provides an integral correcting system for concave deformity of jaw position, wherein a lug boss is matched with a lower jaw posterior tooth area for occlusion reconstruction, so that lower jaw incisors and upper jaw incisors tend to align; the traction part is matched with the maxillomandibular reverse traction to achieve the aim of remodeling, occluding and reconstructing the jaw; and the shape of the anterior tooth zone of the maxillary shell-shaped dental appliance is gradually changed to enable the corresponding teeth to be gradually aligned to the correction target position from the initial position, the height of the convex part arranged on the maxillary shell-shaped dental appliance is gradually reduced along with the change of the shape of the anterior tooth zone of the maxillary shell-shaped dental appliance, and the teeth are corrected while being corrected.

2) After the jaw is reshaped, namely, after the occlusion reconstruction of the upper jaw and the lower jaw is improved, the fine occlusion adjustment of the upper jaw and the lower jaw is realized, the occlusion relation of the upper jaw and the lower jaw is adjusted, the posterior teeth of the lower jaw dentition are moved far when needed, the integral adduction of the lower dentition is realized, and finally the correction of the jaw-position concave deformity is realized.

Drawings

The foregoing features, technical features, advantages and embodiments are further described in the following detailed description of the preferred embodiments, which is to be read in connection with the accompanying drawings.

FIG. 1 is an exemplary view of the initial dental jaw of the concave deformity correction system in a jaw position according to the first embodiment;

FIG. 2 is a view showing an example of the wearing and use of the concave malformation maxillofacial system with jaw pad and retainer according to the first embodiment;

FIG. 3 is a wearing example of the concave malformation correcting system for maxillofacial deformities with anterior distraction according to the first embodiment;

FIG. 4 is an illustration of an example of a concave orthomandibular deformity correction system according to an embodiment;

FIG. 5 is an illustration of a mandibular concave deformity correction system with expansion of the arch according to example two;

FIG. 6 is an illustration of an example of an embodiment concave mandibular deformity correction system;

FIG. 7 is an illustration of an example of a concave deformity correction system in a pentamaxillo position according to an embodiment;

FIG. 8 is a schematic view of the concave malformation system for maxillary deformities in accordance with example five including a bottom view of a maxillary shell dental instrument and a top view of a maxillary shell dental instrument;

FIG. 9 is a partially cross-sectional illustration of an example system for concave deformity correction of the pentamandibular position;

FIG. 10 is an exemplary view of a posterior dental jaw being corrected in the concave deformity correction system in a jaw position;

FIG. 11 is a flowchart of a method for designing the concave malformation of maxillofacial region according to the sixth embodiment;

FIG. 12 is a flowchart of a method for designing a concave malformation of jaw position according to the seventh embodiment;

FIG. 13 is a flowchart of a method for designing the concave malformation of maxillofacial region according to the eighth embodiment;

FIG. 14 is a flowchart of a method for designing the concave malformation of maxillofacial region according to the ninth embodiment;

fig. 15 is a flowchart of a design method of the concave malformation maxillomandibular joint system according to the tenth embodiment.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.