CN211512126U

CN211512126U - Dental instrument, dental instrument set and correction system for malocclusion treatment

Info

Publication number: CN211512126U
Application number: CN201921572211.7U
Authority: CN
Inventors: 沈刚; 姚峻峰
Original assignee: Shanghai Smartee Denti Technology Co Ltd
Current assignee: Shen Gang; Shanghai Zhengya Dental Technology Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-09-18
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a dental appliance for malocclusion treatment, including shell body, the position department corresponding to the back tooth district of shell body is provided with to be equipped with the bellying that makes lower jaw incisor and upper jaw incisor tend to align to the jaw protrusion, the occlusal surface of bellying is equipped with the friction portion that increases the stable contact of lower jaw when the interlock is rebuild, the back tooth district that shell body corresponds still is equipped with one at least and corresponds the maintenance annex lock that sets up on the tooth with the back tooth district and prevent the maintenance portion that shell body and tooth dislocated. A dental instrument kit and a dental correction system are also disclosed. In the dental appliance and the dental correcting system of the utility model, the convex part is arranged on the shell-shaped body to open the occlusion of teeth; the friction part is arranged on the convex part, so that the positions of the upper jaw and the lower jaw are stable, and occlusion reconstruction can be realized; the buckling of the retention part and the retention accessory can increase the retention force of the dental appliance and the teeth, thereby preventing the dental appliance from falling off in the wearing process.

Description

Dental instrument, dental instrument set and correction system for malocclusion treatment

Technical Field

The utility model belongs to the field of medical equipment, a dental instrument suit and dentistry system of rescuing for malocclusion treatment is related to.

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 jaw pad is commonly used in the anti-jaw treatment, mainly has the functions of eliminating jaw obstacles in occlusion adjustment and facilitating the occlusion adjustment, and has wider application to malocclusion deformity, hyperbolic reed jaw pad type appliance and labial arch appliance. The appliance is basically composed of three parts of retention, stress application and connection. But above-mentioned mode is applied to non-stealthy treatment of correcting, when stealthy treatment process of correcting, the application of jaw pad is that the subsides of carrying out the jaw pad on stealthy correction ware or set up the vacuole arch on stealthy correction ware, but the stealthy ware of correcting of this kind of mode is lower to the parcel nature of tooth, drops from the tooth easily at the in-process of wearing, influences patient's treatment.

It is therefore of great interest to develop a dental instrument which is both capable of opening the bite and preventing dislocation.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a dental appliance for malocclusion treatment for when the interlock is rebuilt, dental appliance and tooth do not take place to dislocate.

The technical problem solved by the utility model is to still provide a dental appliance suit for malocclusion treatment for when the upper and lower jaw carries out the interlock and rebuilds, dental appliance and tooth do not take place to dislocate.

The utility model provides a technical problem still provide a shellliform dentistry system of correcting for malocclusion treatment for carry out the tooth and correct when going on that the occlusion of upper and lower jaw is rebuilt.

The technical scheme of the utility model as follows:

the utility model provides a dental appliance for malocclusion treatment, includes shell-shaped body, shell-shaped body sets up a plurality of cavitys that hold the tooth, UNICOM between a plurality of cavitys, shell-shaped body is equipped with the bellying that makes lower jaw incisor and upper jaw incisor tend to align to the jaw direction protrusion in the position department corresponding to back tooth district, the bellying is equipped with the friction portion that increases the stable contact of upper and lower jaw when interlock is rebuild towards the part to the occlusal surface of jaw dentition, the back tooth district that shell-shaped body corresponds still is equipped with at least one and corresponds the maintenance annex lock that sets up on the tooth and prevent that shell-shaped body and tooth are dislocated with the back tooth district and keep the position portion.

Preferably, the retaining part has at least two outer surfaces, and the outer surface of the retaining part is arranged at a certain angle with the labial side surface of the shell-shaped body. Such setting makes the atress partial plane of one of them surface of maintenance portion is perpendicular with the extramaxillary traction direction, pulls the maintenance annex lock that sets up on maintenance portion and the tooth in the treatment process, drives the tooth and removes, sets up a plurality ofly and can form a whole with the tooth, when carrying out other functions and rectify, if pull, not only can prevent that dental appliance and tooth from taking place to dislocate, can also increase the traction solid state power when pulling.

Preferably, the retainer includes a first curved surface and a second curved surface, the first curved surface and the second curved surface enclose to form a retention accessory accommodating space with one end open and the other end closed, the first curved surface and the second curved surface have the same bending direction, and the curvatures of the first curved surface and the second curved surface are different. The structure of the retainer is arranged, under the condition that the contact area of the matched retention accessory and the tooth surface is the same, the contact area of the retainer and the retention accessory is larger, and therefore, the dental instrument can be provided with larger retention force.

Preferably, an included angle formed by a tangential direction of any point on the first curved surface and a tangential direction of any point on the second curved surface is an acute angle. The structure is characterized in that under the condition that the contact area of the retention part and the retention accessory is the same, the contact area of the retention accessory and the tooth surface is smaller, and therefore damage to the tooth surface is reduced.

Preferably, the retainer is a cavity for accommodating a polygonal accessory, a multi-curved accessory, a T-shaped accessory or a cross-shaped accessory. Multiple retainers are provided to accommodate different retention requirements.

Preferably, the shell-shaped body further comprises a retainer arranged in the front tooth area of the shell-shaped body. The retention part of anterior teeth district and the cooperation of the retention part of back tooth district are used for anterior teeth district and back tooth district form a whole, provide more firm retention power.

Preferably, the retainer is provided on a buccal surface and/or a lingual surface of a posterior dental zone of the shell-like body. The fixing part can be arranged on the buccal side and/or lingual side of the teeth on one side, can also be arranged on the buccal side/lingual side of the teeth on two sides, can also be arranged on both the buccal side and the lingual side, and can also be symmetrically arranged or arranged according to actual medical records as required.

Preferably, the retaining part is arranged at the middle position of the rear tooth zone corresponding to the protruding part, so that not only can the retaining force generated by the action of the retaining accessory be provided, but also the phenomenon that the front tooth zone and the rear tooth zone are dislocated can be considered.

The utility model also provides a dental instrument suit for malocclusion treatment, including two foretell dental instruments. The two dental appliances are respectively worn on the upper and lower jaw teeth, and the upper and lower jaw dentitions of the patient are corrected simultaneously, so that a better correction effect can be obtained.

The utility model also provides a shellliform dentistry system of correcting for malocclusion treatment, including a plurality of dental instrument suit, wherein, at least one dental instrument suit is foretell dental instrument suit for malocclusion treatment. In the orthodontic correction process of the patient, the malocclusion of the patient can be corrected due to the worn dental appliance set. Set up a plurality of dental appliance suit and treat, can obtain better and correct effect and treatment and experience.

The utility model also provides a dental instrument set for malocclusion treatment, which comprises a first shell-shaped dental instrument and a second shell-shaped dental instrument, wherein the first shell-shaped dental instrument is the dental instrument; the second shell-shaped dental instrument comprises a second shell-shaped body, the second shell-shaped body is provided with a plurality of second cavities for accommodating second dentitions, and a limiting part which is matched with the friction part of the first shell-shaped body and promotes occlusion induction is arranged at the position of the second shell-shaped body, which corresponds to the protruding part of the first shell-shaped body; the first shell-shaped dental instrument and the second shell-shaped dental instrument are matched to fulfill the aim of occlusion reconstruction.

The limiting part is one or a combination of two or more of a structure which is matched with the occlusal surface of the corresponding back tooth area of the first shell-shaped dental instrument in a concave-convex manner, a structure which is matched with the occlusal surface of the first shell-shaped dental instrument in an occluded manner, a structure with a frosted surface, a structure with a hollowed-out surface, a structure which is provided with an opening on the occlusal surface of the corresponding back tooth area of the jaw teeth or a structure which does not cover the second shell-shaped body structure in the back tooth area.

The utility model also provides a shellliform dentistry system of correcting for malocclusion treatment, including a plurality of dental instrument suit, wherein, at least one dental instrument suit is foretell dental instrument suit for malocclusion treatment.

Preferably, the height of the protrusions on the shell-shaped dental instruments in different sets of dental instruments is gradually reduced with the correction process.

Preferably, a filling part for enhancing the occlusion strength is further arranged in a space between the protruding part of the first shell-shaped body and the worn dentition, so as to provide a supporting force for the protruding part and prevent the protruding part from deforming when the upper jaw and the lower jaw are occluded.

Preferably, in the dental correcting system, the protrusion height of the protrusion part of the first shell-shaped body of the dental kit gradually decreases along with the correcting process.

Preferably, the first dental instrument has a body thickness of 0.1-2.0 mm. The selection to body thickness can reach comfortable, pleasing to the eye effect under the prerequisite that does not influence the effect of correcting, corrects the demand according to patient's reality, can select the dental appliance of uniform thickness, also can select the dental appliance of non-uniform thickness, corrects.

Preferably, the body of the first dental appliance is a shell with uneven thickness, so that different correction forces can be better provided for different parts, and the first dental appliance is more comfortable and attractive and brings good correction experience to patients.

Preferably, the hardness and/or elastic modulus of the friction part of the first shell-shaped body is greater than the hardness and/or elastic modulus of other parts of the first dental instrument body, so as to increase the strength of the friction part of the first shell-shaped body during occlusion and avoid deformation.

Preferably, the projections of the first shell-like body extend along buccal and lingual surfaces of the posterior dental area of the first shell-like body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

first, the present invention provides a dental instrument for malocclusion treatment, in which a protrusion protruding toward the jaw is provided in the posterior dental area of a shell-shaped body, which can open the occlusion of teeth and induce the lower incisors and the upper incisors to tend to align; the structure for increasing friction force is arranged on the convex part, so that the upper jaw and the lower jaw are stably contacted while occlusion is opened; the retaining part arranged on the contact surface of the rear tooth area of the dental appliance and the teeth can increase the retaining force of the dental appliance and the teeth and prevent the dental appliance from falling off in the wearing process; meanwhile, the dental appliance adopts an integrated structure, the jaw pad does not need to be fixed on the tooth, and the jaw pad does not need to be fixed in the dental appliance, so that the dental appliance is convenient and comfortable to wear, is easy to take and wear, and cannot form larger wound on the tooth.

Secondly, the dental apparatus for malocclusion treatment of the present invention is provided with the retention part in the posterior dental region, having two curved surfaces with the same bending direction, and the corresponding teeth are provided with the retention accessories matched with the teeth, so that the retention accessories can provide a larger contact area when being matched with the retention part under the condition of the same surface contact area with the teeth, thereby providing a larger retention force for the dental apparatus; the included angle between the two curved surfaces of the retention part is designed to be an acute angle structure, so that the contact area of the retention accessory and the tooth surface is smaller under the condition that the contact area of the retention part and the retention accessory is the same, and the damage to the tooth surface is reduced.

Drawings

Fig. 1 is a schematic view of a dental implement according to embodiment 1 of the present invention;

fig. 2 is a schematic view of a retention portion according to embodiment 1 of the present invention;

figure 3 is a schematic view of a dental implement according to embodiment 2 of the present invention;

figure 4 is a schematic view of a dental implement according to another embodiment of example 2 of the present invention;

figure 5 is a schematic view of a dental implement according to another embodiment of example 2 of the present invention;

figure 6 is a schematic view of a dental implement according to another embodiment of example 2 of the present invention;

figure 7 is a schematic view of a dental implement according to another embodiment of example 2 of the present invention;

figure 8 is a schematic view of a dental implement according to embodiment 3 of the present invention;

figure 9 is a schematic view of a dental implement according to embodiment 4 of the present invention;

figure 10 is a schematic view of a dental implement according to embodiment 5 of the present invention;

figure 11 is a schematic view of a dental implement according to embodiment 5 of the present invention;

figure 12 is a schematic view of a dental implement according to embodiment 5 of the present invention.

Reference numerals: a maxillary mouthpiece 100; a maxillary maxilla pad 101; a friction portion 103; a retainer portion 2; a first outer surface 303; a second outer surface 302; a lower jaw shell 200; a mandibular jaw pad 201; an open structure 210.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. In practical applications, the improvement and adjustment made by those skilled in the art according to the present invention still belong to the protection scope of the present invention.

Example 1

The dental instrument is used for treating malocclusion, and comprises an upper jaw dental mouthpiece 100, wherein the upper jaw dental mouthpiece 100 comprises a shell-shaped body which conforms to the shape of a dentition of a human body, the shell-shaped body is provided with cavities for accommodating anterior maxillary teeth, anterior molar teeth and molar teeth of the human body, and the cavities are communicated with one another. As shown in fig. 1, the posterior tooth areas on both sides of the shell-shaped body are provided with protruding portions protruding toward the lower jaw direction, and the protruding portions form jaw pads 101 of the upper jaw facing 100.

In this example, "posterior dental zone" is defined according to the classification of teeth including premolar and molar in "introduction to oral medicine" published by Beijing university medical Press, pages 36-38, 2 nd edition. The protruding portion 101 provided in the shell-shaped dental instrument in this embodiment may be provided only in the anterior molar region, only in the molar region, partially in the anterior molar region and the molar region, or entirely in the anterior molar region and the molar region. The "anterior zone" includes incisors, lateral incisors and cuspids.

When the maxillary dental mouthpiece 100 is worn, the jaw pad 101 of the posterior dental area of the maxillary dental mouthpiece 100 is engaged with the posterior teeth corresponding to the dentition of the mandibular human body, and the maxillary dental mouthpiece 100 can play a role in opening the occlusion of the teeth and aligning the mandibular incisors with the maxillary incisors due to the action of the jaw pad 101.

The upper jaw dental mouthpiece of the embodiment is made of a high polymer material, and can slide relatively when being occluded with teeth, in order to increase the frictional force of occlusion between the jaw pad 101 of the upper jaw dental mouthpiece and teeth in the lower jaw posterior teeth area, a friction part which is matched with the occlusal surface of the lower jaw teeth area in a concave-convex manner is arranged on the occlusal surface of the jaw pad 101 of the upper jaw dental mouthpiece, the friction part is arranged to be a convex structure matched with a socket groove of the lower jaw teeth area, and the friction part can increase stable contact between the upper jaw and the lower jaw when occlusion is reestablished.

The maxillary facing 100 of this embodiment can also cooperate with the front tractor to carry out traction treatment on the maxillary dentition of the patient, because the maxillary facing receives the traction effect of the front tractor, the maxillary facing receives the outward traction pulling force perpendicular to the front teeth, and because of the traction pulling force, the maxillary facing 100 and the maxillary dentition are dislocated or even fall off. Therefore, in order to prevent the maxillary dental mouthpiece 100 from dislocating from the maxillary dentition, the buccal side surfaces of the posterior tooth regions on both sides of the maxillary dentition of the human body are provided with retention aids (not shown), and the corresponding positions of the maxillary dental mouthpiece 100 are provided with retention parts 2 engaged with the retention aids. The retention part 2 of the upper jaw brace 100 is a cavity protruding towards the buccal side, and the retention part 2 is symmetrically arranged in the posterior tooth area at two sides of the upper jaw brace 100. The retaining part is arranged in the back tooth area of the upper jaw facing and can provide more stable retaining force for the upper jaw facing.

Preferably, the retainer 2 includes a first outer surface 303 and a second outer surface 302, the second outer surface 302 is a curved surface that is concave toward the center of the retention accessory, the first outer surface 303 is a curved surface, the first outer surface 303 and the second outer surface 302 are curved in the same direction, and the first outer surface 303 and the second outer surface 302 enclose the cavity, which is the retainer 2.

The retention part 2 can provide larger contact area and thus larger retention force when used together with retention accessories under the condition of the same contact area with human teeth.

The outer surface of the retention part 2 and the labial side surface of the shell-shaped body are arranged at a certain angle, so that the first outer surface 303 or the second outer surface 302 of the retention part is perpendicular to the extramaxillary traction direction in a stress split mode, the retention part is buckled with a retention accessory arranged on teeth in the traction treatment process, the teeth are driven to move, a plurality of retention parts are arranged to form a whole with the teeth, other functions are corrected, if traction is carried out, not only can the dental appliance be prevented from being dislocated with the teeth, but also the traction retention force in the traction process can be increased.

In this embodiment, the retainers 2 are symmetrically disposed on the buccal side of the posterior dental area of the maxillary dental mouthpiece 100, and in other alternative embodiments, the retainers 2 may be symmetrically disposed on the lingual side of the posterior dental area of the maxillary dental mouthpiece 100, or both the buccal side and the lingual side, or both the buccal side and/or the labial side of the left and right sides of the upper jaw.

In another embodiment, the labial side of the anterior dental zone of the maxillary dental mouthpiece may also be provided with a retention part, and the retention part of the anterior dental zone is used in cooperation with the retention part of the posterior dental zone, so that the anterior dental zone and the posterior dental zone form a whole, providing a more stable retention force.

In this embodiment, the thickness of the maxillary dental mouthpiece jaw pad 101 is thicker than the thickness of other regions, or the hardness of the maxillary dental mouthpiece jaw pad 101 is set to be higher than the hardness of other regions, so that the jaw pad 101 is firmer and more durable.

In this embodiment, the thickness of the upper jaw brace 100 is thicker at the position to be corrected, the position of the jaw pad 101 and the position of the occlusal surface of the jaw pad 101, and the thickness may be set to be 2mm, 1.5mm, 1mm, 0.75mm, 0.5 mm; and the thicknesses of other positions are smaller than those of the parts, and the local position of the maxillary mouthpiece can be set to be 0.1mm, so that a better correction effect and comfortable and beautiful patient experience can be obtained. In other embodiments, the maxillary mouthpiece may be provided as a shell having a uniform thickness, which is not limited herein.

In this embodiment, for increasing the occlusal strength of jaw pad 101, be equipped with the filling part in the space between jaw pad 101 and the upper jaw molar, the filling part is polymer resin to increase jaw pad 101's support intensity, prevent that the occlusion process from taking place deformation.

Example 2

The embodiment provides a dental instrument, which comprises a maxillary dental mouthpiece 100, wherein one of the two posterior tooth areas of the maxillary dental mouthpiece 100 protrudes towards the opposite jaw to form a jaw pad 101, as shown in fig. 3, and the other posterior tooth area is matched with the posterior tooth area of the maxillary dentition of the human body. The maxillary dental mouthpiece 100 is provided with a T-shaped retention part 2 on the buccal side of the posterior dental area on the side provided with the jaw pad 101, the posterior dental area on the side of the maxillary dental mouthpiece 100 not provided with the jaw pad may not be provided with the retention part, and may also be provided with a corresponding retention part, such a structure is suitable for some deviated jaw cases, but the thickness of the applied jaw pad 101 is smaller than that of the jaw pad described in embodiment 1, and is adjusted according to the requirements of actual cases. Of course, the jaw pads 101 may be disposed on the left and right sides of the maxillary facing, and the T-shaped retainers may be disposed on the corresponding posterior dental area.

In another alternative embodiment, the maxillary dental mouthpiece has a jaw pad protruded toward the mandible, and the buccal side of the maxillary dental mouthpiece at the side of the maxillary dental mouthpiece where the jaw pad is provided with a holder having a rectangular shape, as shown in fig. 4.

In another alternative embodiment, the posterior dental region of the maxillary dental mouthpiece is provided with a jaw pad, and the retention parts 2 provided in cooperation with the jaw pad 101 are provided in a window-type shape, as shown in fig. 5.

In another alternative embodiment, the maxillary dental mouthpiece has a jaw pad symmetrically disposed on the posterior tooth area, and a retention part 2 disposed to be engaged with the jaw pad 101, the retention part being provided in a cross shape, as shown in fig. 6.

In another alternative embodiment, the maxillary dental mouthpiece has a jaw pad symmetrically disposed on the posterior dental area, and a retention part 2 disposed to be engaged with the jaw pad 101, the retention part being configured in an iris type shape, as shown in fig. 7.

Example 3

The present embodiment provides a dental kit, which includes a maxillary dental mouthpiece 100 and a mandibular dental mouthpiece 200. referring to fig. 8, the maxillary dental mouthpiece 100 has two lateral posterior tooth areas protruding towards the lower jaw to form a maxillary pad 101, and the mandibular dental mouthpiece 200 has two lateral posterior tooth areas protruding towards the upper jaw to form a mandibular pad 201. The occlusal surface of the maxilla pad 101 of the maxillary dental mouthpiece 100 is provided with a friction part 103, and the friction part 103 has a structure having the same texture as the maxillary dentition. The occlusal surface of the mandibular jaw pad 201 of the mandibular facing 200 is provided with a friction portion 103 which is a structure having the same texture as the mandibular dentition. The maxillary jaw pad 101 of the maxillary mouthpiece 100 is occlusally matched with the mandibular jaw pad 201 of the mandibular mouthpiece 200, thereby performing occlusal reconstruction.

The buccal surfaces of the maxillary dental mouthpiece 100 at the posterior dental regions on both sides are protruded to the buccal side to form the retainers 2, and the buccal surfaces of the mandibular dental mouthpiece 200 at the posterior dental regions on both sides are protruded to the buccal side to form the retainers 2.

When the mouth-piece-type mouth-piece is worn, the upper jaw dental socket 100 and the lower jaw dental socket 200 are matched for being used for an upper jaw dentition and a lower jaw dentition of a human body, the upper jaw pad 101 of the upper jaw dental socket 100 and the lower jaw pad 201 of the lower jaw dental socket 200 are mutually occluded, and the friction part of the upper jaw pad 101 is matched with the occlusion part of the friction part of the lower jaw pad 201 to play a role in stably opening the occlusion. Meanwhile, the upper jaw mouthpiece 100 and the lower jaw mouthpiece 200 are matched for use, so that the orthodontic effect on the lower jaw dentition can be obtained while the jaw is opened.

Example 4

The present embodiment provides a dental instrument set, which includes a maxillary dental mouthpiece 100 and a mandibular dental mouthpiece 200, referring to fig. 9, two lateral posterior tooth areas of the maxillary dental mouthpiece 100 protrude towards the lower jaw to form a maxillary dental pad 101, two lateral posterior tooth areas of the mandibular dental mouthpiece 200 are matched with the mandibular dentition of the human body, and two lateral posterior tooth areas of the mandibular dental mouthpiece 200 are provided with open structures 210, and the open structures 210 serve as stoppers to limit the occlusion of the maxillary dental pad 101 and promote the occlusion reconstruction of the maxillary and mandibular teeth. The occlusal surface of the maxillary jaw pad 101 of the maxillary dental mouthpiece is provided with a friction part 103, the friction part 103 is in a structure of an occlusal surface matched with a posterior tooth area of a maxillary dentition of a human body, and the maxillary jaw pad 101 is occluded and matched with the posterior tooth of a mandibular dentition, so that occlusion reconstruction is achieved.

In another alternative embodiment, the mandibular facing 200 is provided with a shell that houses the mandibular dentition, and the mandibular facing 200 is provided with a stop at a corresponding location on the upper mandibular pad 101, the stop being provided in a texture identical to that of the mandibular dentition, the stop mating with the upper maxillary pad 101. In other embodiments, the position-limiting portion of the mandibular facing 200 may be provided in one or a combination of two or more of a structure with a frosted surface, a structure with raised points, and a structure with hollowed-out portions.

In other embodiments, the stop may also be configured to expose the posterior dental area and the maxillary mandibular occlusal fit.

The buccal side surfaces of the posterior teeth areas on both sides of the upper jaw facing 100 are provided with the retaining parts 2, and the lower jaw facing 200 is worn on the lower jaw dentition, and may or may not be provided with the retaining parts. The upper jaw braces 100 and the lower jaw braces 200 may further have a retention part which serves as an attachment for different corrective actions during the buckling correction, and the retention part is not limited herein.

Example 5

Referring to fig. 10, the two side posterior tooth areas of the upper dental mouthpiece 100 protrude towards the lower jaw to form an upper jaw pad 101, the two side posterior tooth areas of the lower dental mouthpiece 200 protrude towards the upper jaw to form a lower jaw pad 201, the buccal side surfaces of the two side posterior tooth areas of the upper dental mouthpiece 100 are provided with retaining portions, and the buccal side surfaces of the two side posterior tooth areas of the lower dental mouthpiece 200 are provided with retaining portions. The occlusal surface of the maxilla pad 101 is provided with a friction part 103, the friction part 103 of the maxilla pad 101 is a hollow structure, the occlusal surface of the mandible pad 201 is also provided with the friction part 103, the friction part 103 of the mandible pad 201 is a hollow structure, and when the maxilla facing 100 is occluded with the mandible facing 200, the hollow structure of the maxilla pad increases the friction force of the occlusal surface, so that the relative position of the upper and lower jaws is stable, and occlusion can be induced.

In order to increase the occlusion strength of the maxilla pad, the hardness of the friction part 103 of the hollowed structure of the maxilla pad 101 is greater than that of other parts of the maxilla facing 100; the hardness of the friction part 103 of the hollowed-out structure of the mandibular jaw pad 201 is greater than that of other parts of the mandibular facing 200. Meanwhile, the thickness of the friction part of the maxillary jaw pad 101 and the thickness of the friction part of the mandibular jaw pad 201 may be set to be greater than the thickness of the other parts of the maxillary or mandibular facing.

In another alternative embodiment, the friction portion 103 of the maxillary jaw pad is provided in a frosted surface configuration and the friction portion 103 of the mandibular jaw pad is provided in a frosted surface configuration, as shown in fig. 11.

In another alternative embodiment, the retainers 2 are provided on the buccal side and lingual side of the maxillary and mandibular braces, and the friction part 103 of the maxillary pad is provided in a convex point structure, as shown in fig. 12, and the friction part 103 of the mandibular pad is provided in a convex point structure. In other embodiments, the friction portion may be configured as a hole structure, or the friction portion may be configured as a hole structure and a bump structure at the same time, which is not limited herein.

In another alternative embodiment, the friction portion of the maxilla pad and the friction portion of the mandibular pad may be provided in different structures, which is not limited herein.

Example 6

The present embodiment provides a dental correction system for malocclusion treatment, including a plurality of sets of braces, each set of braces includes: upper jaw braces and lower jaw braces.

Wherein, the first set of braces comprises a first upper jaw brace and a first lower jaw brace, and is designed according to dentition of a first orthodontic target of a patient. The two side posterior tooth areas of the first upper jaw tooth socket protrude towards the lower jaw direction to form a first upper jaw pad, and the buccal side surfaces of the two side posterior tooth areas of the first upper jaw pad are provided with the fixing parts. The first lower jaw tooth socket is matched with the lower jaw dentition of a patient, an open limiting part is arranged at the position, corresponding to the first upper jaw pad, of the rear tooth area of the first lower jaw tooth socket, and the open limiting part and the jaw pad are matched to play a role in occlusion reconstruction.

The first upper jaw tooth socket and the first lower jaw tooth socket are respectively worn on the upper jaw dentition and the lower jaw dentition of a patient, the first upper jaw tooth socket and the first lower jaw tooth socket are taken down after being worn for a proper period, the wearing time is 7-14 days, and a second group of tooth sockets can be designed according to the correction condition of the patient.

The second group of tooth sockets have a similar structure with the first group of tooth sockets, and the second group of tooth sockets comprise a second upper jaw tooth socket and a second lower jaw tooth socket which are designed according to dentition of a second orthodontic target of a patient. The height of the second maxillary jaw pad of the second maxillary mouthpiece is smaller than that of the first maxillary jaw pad of the first maxillary mouthpiece, and the patient wears the second maxillary mouthpiece for 7-14 days and then takes down the maxillary mouthpiece.

The system is rescued to dentistry of this embodiment, the patient is wearing the in-process of facing, because the jaw effect of jaw pad, and the induced lower jaw dentition is retrieved or is stretched forward to carry out the malocclusion and correct. Through correcting, the malocclusion of the patient is slowly corrected, so that the height of the jaw pad is slowly reduced until the jaw pad is not needed to be arranged, and the wearing time of the tooth socket with the jaw pad is about 0-6 months.

Also can design next upper jaw facing according to the condition of rescuing of patient's dentition, wear to rectify, correct until accomplishing, also can design out continuous the scheme of rescuing according to patient's actual case condition to make its corresponding facing, the patient wears to accomplish corresponding treatment of rescuing.

Example 7

Wherein, the first set of braces comprises a first upper jaw brace and a first lower jaw brace, and is designed according to dentition of a first orthodontic target of a patient. The two side posterior tooth areas of the first upper jaw tooth socket protrude towards the lower jaw direction to form a first upper jaw pad, and the buccal side surfaces of the two side posterior tooth areas of the first upper jaw pad are provided with the fixing parts. The lower jaw dental mouthpiece is characterized in that the rear tooth areas on two sides of the first lower jaw dental mouthpiece are provided with first lower jaw cushions protruding upwards, and the buccal side surfaces of the rear tooth areas on two sides of the lower jaw dental mouthpiece are provided with fixing parts.

The second group of tooth sockets have a similar structure with the first group of tooth sockets, and the second group of tooth sockets comprise a second upper jaw tooth socket and a second lower jaw tooth socket which are designed according to dentition of a second orthodontic target of a patient. The height of a second maxillary jaw pad of the second maxillary tooth socket is smaller than that of the first maxillary jaw pad, the height of a second mandibular jaw pad of the second mandibular tooth socket is smaller than that of the first mandibular jaw pad, and the patient wears the second maxillary tooth socket for 7-14 days and then takes down the maxillary tooth socket.

Also can design a set of facing under the condition of correcting of patient's dentition, wear and correct, correct until accomplishing, also can design out continuous correction scheme according to patient's actual case condition to prepare into corresponding facing with it, the patient wears to accomplish corresponding treatment of correcting. Wherein, the wearing time of the tooth socket with the jaw pad is about 0 to 6 months.

The above disclosure is only illustrative of the preferred embodiments of the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dental instrument for treating malocclusion comprises a shell-shaped body, wherein the shell-shaped body is provided with a plurality of cavities for accommodating teeth, and the cavities are communicated with one another.

2. A dental instrument for the treatment of malocclusions as claimed in claim 1, wherein the retainer has at least two outer surfaces, each of which is disposed at an angle to the labial side of the shell-like body.

3. A dental instrument for the treatment of malocclusion as recited in claim 2, wherein the retainer comprises a first curved surface and a second curved surface, the first curved surface and the second curved surface enclosing to form a retention accessory receiving space with one end open and the other end closed, the first curved surface and the second curved surface have the same bending direction, and the curvature of the first curved surface and the second curved surface is different.

4. A dental instrument for the treatment of malocclusion according to claim 3, wherein the angle formed by the tangent to any point on the first curved surface and the tangent to any point on the second curved surface is acute.

5. A dental instrument for the treatment of malocclusions as claimed in claim 2, wherein the retainer is a cavity that accommodates a polygonal, multifaceted, T-shaped or cross-shaped attachment.

6. A dental instrument for the treatment of malocclusion according to claim 1, further comprising a retainer provided at an anterior area of the shell-like body for receiving other retention attachments.

7. A dental instrument for the treatment of malocclusions as claimed in claim 1, wherein the retainer is provided on a buccal and/or lingual surface of the posterior dental zone of the shell-like body.

8. A dental instrument for the treatment of malocclusions as claimed in claim 1, wherein the retainer is disposed at a posterior mesial location to which the projections correspond.

9. A set of dental instruments for the treatment of malocclusions, comprising two dental instruments according to any one of claims 1 to 8.

10. A shell-like dental correction system for malocclusion treatment, comprising a plurality of dental instrument sets, wherein at least one dental instrument set is the dental instrument set for malocclusion treatment of claim 9.

11. A dental instrument set for treating malocclusion, comprising a first shell-shaped dental instrument and a second shell-shaped dental instrument, wherein the first shell-shaped dental instrument is the dental instrument as claimed in any one of claims 1 to 8, the second shell-shaped dental instrument comprises a second shell-shaped body, the second shell-shaped body is provided with a plurality of second cavities for accommodating second dentition, and a position of the second shell-shaped body corresponding to the protruding part of the first shell-shaped body is provided with a limiting part which is matched with the friction part of the first shell-shaped body and promotes occlusion induction.

12. A shell-like dental correction system for malocclusions treatment, comprising a plurality of sets of dental instruments, wherein at least one set of dental instruments is the set of dental instruments for malocclusions treatment as claimed in claim 11.

13. The shell dental appliance system of claim 12, wherein the protrusion height of the protrusions on the shell dental appliances in different sets of dental appliances gradually decreases with the appliance.