WO2024022001A1

WO2024022001A1 - Shell-shaped dental device and shell-shaped main body thereof

Info

Publication number: WO2024022001A1
Application number: PCT/CN2023/104111
Authority: WO
Inventors: 周可拓; 黄雷
Original assignee: 无锡时代天使生物科技有限公司
Priority date: 2022-07-26
Filing date: 2023-06-29
Publication date: 2024-02-01

Abstract

A shell-shaped main body (101) of a shell-shaped dental device (100). The shell-shaped main body (101) is an integral shell and forms a cavity (107) for accommodating a plurality of teeth (109) and a first accessory mounting area (105), wherein the first accessory mounting area (105) forms an accessory mounting surface (105a) and a convex structure (105b). The accessory mounting surface (105a) has an artificially designed contour and geometric morphology. The accessory mounting surface (105a) is surrounded by the convex structure (105b). The accessory mounting surface (105a) is used for mounting a first accessory (103). The contour and geometric morphology of a bottom mounting surface of the first accessory (103) substantially fit the accessory mounting surface (105a).

Description

Shell-shaped dental instrument and shell-shaped body thereof

Technical field

The present application relates generally to shell-like dental instruments and, more particularly, to shell-like dental instruments mounted with standard accessories and shell-like bodies thereof.

Background technique

Shell-shaped dental devices based on polymer materials (such as invisible aligners and retainers) are becoming more and more popular due to their beauty, convenience, and ease of cleaning. Existing shell-shaped dental instruments are usually in the shape of an integrated shell, which forms a cavity for accommodating multiple teeth.

When using shell-shaped dental instruments for dental treatment (for example, orthodontic treatment or orthognathic treatment), it is sometimes necessary to add accessories to the shell-shaped dental instruments to assist the treatment, such as twin-blocks, brackets ( Bracket, Button, Bite Stop and Occlusal Pad, etc.

In some cases, the attachments can be processed separately and fixed to the shell-shaped dental instrument by pasting, welding, mechanical connection, etc.

In some examples, the accessory is a standard part with a predetermined standard shape of the mounting surface. However, the outer contour of the shell-like dental instrument is basically highly related to the surface shape of the tooth. Therefore, the joint surface between the accessory and the shell-like dental instrument is not There is a high possibility of a mismatch in geometry, which will affect the strength of the attachment on the shell-like dental instrument.

In other cases, the attachment is a non-standard part, and the geometry of its mounting surface is processed according to the shape of the shell-like dental instrument at its installation position. However, this increases the complexity of attachment processing and reduces the versatility of the attachment.

In view of the above, it is necessary to provide a new shell-shaped dental instrument.

Contents of the invention

One aspect of the present application provides a shell-shaped main body of a shell-shaped dental instrument, which is an integrated shell and forms a cavity for accommodating multiple teeth and a first accessory mounting area, wherein the first accessory mounting area forms an accessory mounting area. surface and a convex structure, the accessory mounting surface has an artificially designed edge contour shape and geometric form, the accessory mounting surface is surrounded by the convex structure, and the accessory mounting surface is used to install the first accessory, so The edge contour and geometric shape of the bottom mounting surface of the first accessory substantially match the accessory mounting surface.

In some embodiments, the height of the outer convex structure protruding from the shell-like body is higher than the portion of the accessory mounting surface where it is connected.

In some embodiments, the size of the inner side of the convex structure gradually decreases from the top to the bottom, which can guide the bottom mounting surface of the first accessory to contact the accessory mounting surface.

In some embodiments, the transition between the outer side wall of the convex structure and the portion of the shell-like body connecting thereto is gentle.

In some embodiments, the first accessory is a prefabricated accessory.

In some embodiments, the first accessory may be one of a jaw pad, a tongue button, a bracket, a flat guide, and a double jaw plate.

In some embodiments, the accessory mounting surface may have an edge profile that is circular.

In some embodiments, the accessory mounting surface may be a plane or a curved surface.

In some embodiments, the first accessory mounting area is used to securely install the first accessory through adhesive bonding.

In some embodiments, the accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.

Another aspect of the present application provides a shell-shaped dental instrument, which includes a shell-shaped body and a first accessory. The shell-shaped body is an integrated shell forming a cavity for accommodating multiple teeth and a first accessory mounting area. That , the first accessory mounting area forms an accessory mounting surface and a convex structure, the accessory mounting surface has an artificially designed edge contour shape and geometric form, the accessory mounting surface is surrounded by the convex structure, and the The first accessory is installed and fixed on the accessory mounting surface through its bottom mounting surface, and the edge profile and geometry of the first accessory bottom mounting surface basically match the accessory mounting surface.

In some embodiments, the first accessory is a prefabricated accessory.

In some embodiments, the adhesive that overflows from between the accessory mounting surface and the first accessory bottom mounting surface bonds the inside of the protruding structure and the outside of the first accessory bottom.

In some embodiments, a structure capable of improving bonding strength is formed on the bottom mounting surface of the first accessory.

Another aspect of the present application provides a shell-shaped body of a shell-shaped dental instrument, wherein the shell-shaped body is a The shell of the body forms a cavity for accommodating multiple teeth and a first accessory mounting surface, wherein the first accessory mounting surface has an artificially designed edge profile and geometric shape for installing and fixing the first accessory. The accessory mounting surface substantially matches the edge contour and geometry of the bottom mounting surface of the first accessory, and an area of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface is in contact with the tooth surface at least at one point.

In some embodiments, the area of the inner surface of the shell-like body corresponding to the first accessory mounting surface is consistent with the edge profile and geometry of the first accessory mounting surface.

In some embodiments, the first accessory is a prefabricated accessory.

In some embodiments, the first accessory is a tongue button, and the edge profile of the first accessory mounting surface is circular.

In some embodiments, the geometric shape of the first accessory mounting surface is a plane or a curved surface of revolution.

In some embodiments, the first accessory is mounted and fixed on the shell-shaped body by bonding its bottom mounting surface to the first accessory mounting surface.

In some embodiments, the first accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.

In some embodiments, an edge of a region of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface is in contact with the tooth surface at least at one point.

Another aspect of the present application provides a shell-shaped dental instrument, which includes a shell-shaped body and a first accessory. The shell-shaped body is an integrated shell forming a cavity for accommodating multiple teeth and a first accessory mounting surface. Wherein, the first accessory mounting surface has an artificially designed edge profile and geometric shape, the first accessory is installed and fixed on the first accessory mounting surface through its bottom mounting surface, and the edge of the first accessory bottom mounting surface The contour and geometry substantially match the first accessory mounting surface, and the area of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface contacts the tooth surface at least at one point.

In some embodiments, an area of the inner surface of the shell-like body corresponding to the first accessory mounting surface The edge contour and geometric shape of the domain and the first accessory mounting surface are consistent.

In some embodiments, the first accessory is a prefabricated accessory.

In some embodiments, the first accessory is one of the following: a jaw pad, a tongue button, a bracket, a flat guide, and one of a double jaw plate.

In some embodiments, the first accessory is fixedly mounted on the shell-shaped body by bonding its bottom mounting surface to the first accessory mounting surface.

In some embodiments, the adhesive overflowing between the bottom mounting surface of the first accessory and the first accessory mounting surface forms a structure surrounding the edge contour of the bottom mounting surface of the first accessory.

Description of drawings

The above and other features of the present application will be further described below in conjunction with the accompanying drawings and the detailed description thereof. It should be understood that these drawings only illustrate several exemplary embodiments according to the present application and therefore should not be regarded as limiting the scope of the present application. Unless otherwise indicated, the drawings are not necessarily to scale and similar reference numerals identify similar parts.

Figure 1 schematically shows a shell-shaped dental instrument in one embodiment of the present application;

Figure 2 schematically shows a partial cross-section of the shell-shaped dental instrument shown in Figure 1 at AA;

Figure 3 schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application;

Figure 4 schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application;

Figure 5 schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application;

Figure 6 schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application;

Figure 7 schematically shows a shell-shaped dental instrument in yet another embodiment of the present application;

Figure 8A schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application; and

Figure 8B schematically shows a partial cross-section of the shell-shaped body in yet another embodiment of the present application.

Detailed ways

The following detailed description refers to the accompanying drawings which form a part of this specification. The illustrative embodiments mentioned in the description and drawings are for illustrative purposes only and are not intended to limit the scope of the present application. Inspired by this application, those skilled in the art will understand that many other implementations may be adopted, and various changes may be made to the described implementations without departing from the gist and protection scope of this application. It should be understood that the various aspects of the present application described and illustrated herein can be arranged, replaced, combined, separated and designed in many different configurations, and that these different configurations are within the scope of the present application.

In view of the above problems of existing shell-shaped dental instruments, this application provides a new shell-shaped dental instrument and its shell-shaped body.

Referring to FIG. 1 , a shell-shaped dental instrument 100 in one embodiment of the present application is schematically shown. Please refer to FIG. 2 again, which schematically illustrates a partial cross-section of the shell-shaped dental instrument 100 shown in FIG. 1 at A-A.

The shell-shaped dental instrument 100 includes a shell-shaped body 101 and a tongue button 103 fixed on the outer surface of the shell-shaped body 101 . An accessory mounting area 105 is formed on the shell-shaped body 101, which includes an accessory mounting surface 105a and a protruding structure 105b connected thereto. The protruding structure 105b protrudes toward the outside of the shell-shaped body 101 and connects the accessory mounting surface 105a. Surrounded inside, the protruding height of the outer convex structure 105b is greater than that of the accessory mounting surface 105a and its connected parts.

The accessory mounting surface 105a has a manually pre-designed geometric shape and edge contour shape. As a universal standard mounting surface, it basically matches the bottom mounting surface of the prefabricated universal tongue button 103. That is, the accessory mounting surface 105a has a different geometry than the corresponding portion of the tooth surface.

In some embodiments, an elastic tensile element (such as a rubber band or a spring) can be suspended between the tongue buttons on the shell-like dental instruments worn on the upper and lower jaws to generate traction between the two, thereby achieving the mandibular adjustment. Position adjustment.

In some embodiments, the tongue button 103 can be fixed on the shell body 101 by bonding or welding means.

In one embodiment, the accessory mounting surface 105a has a circular edge profile. Inspired by this application, it can be understood that the edge contour of the accessory mounting surface 105a can also be in other shapes, such as rectangle, ellipse, polygon, etc.

The shell-like body 101 forms a cavity 107 for accommodating the teeth 109. In one embodiment, except for the accessory mounting area 105, the geometry of the cavity 107 is substantially consistent with the dentition in a corresponding tooth layout.

If the tongue button 103 is fixed to the accessory mounting surface 105a by bonding, the glue overflowing from the bottom of the tongue button 103 can bond the bottom side of the tongue button 103 to the inner side of the protruding structure 105b to enhance the adhesion of the tongue button 103. connection strength.

In one embodiment, the inner side size of the bottom of the protruding structure 105b (ie, the side close to the accessory mounting surface 105) (if the outer protruding structure 105b is annular, the inner size is its inner diameter) is smaller than the top thereof (ie, farther away from the One side of the shell-shaped body 101), forming a guide inclined surface. The guide inclined surface can guide the tongue button 103 to dock with the accessory mounting surface 105a. For automated accessory installation, its presence allows greater tolerance for errors in the mounting system, and for manual accessory installation, it also makes positioning the accessory easier.

In the embodiment shown in FIG. 2 , the protruding structure 105b is a hollow wall whose cross-section gradually reduces in size from the bottom to the top and forms an arc shape at the top. Under the inspiration of this application, it can be understood that the cross-section of the convex structure can also be in other shapes.

Please refer to Figure 3, which schematically shows a shell-shaped main body 101' in another embodiment of the present application, and its viewing angle is the same as that of Figure 2. The shell-like body 101' forms a cavity 107' for receiving the teeth 109', and forms an accessory mounting area 105' for fixing the tongue button 103'. Among them, the accessory mounting area 105' includes an accessory mounting surface 105a' and a protruding structure 105b', and the protruding structure 105b' surrounds the accessory mounting surface 105a'. In this embodiment, the top of the cross section of the convex structure 105b' is a slope that gradually decreases from the inside to the outside.

Please refer to Figure 4, which schematically shows a shell-shaped body 101" in another embodiment of the present application, and its viewing angle is the same as that of Figure 2. The shell-shaped body 101" forms a cavity 107" that accommodates the teeth 109", and An accessory mounting area 105" is formed to secure the tongue button 103". Among them, the accessory mounting area 105" includes an accessory mounting surface 105a" and a protruding structure 105b", and the protruding structure 105b" surrounds the accessory mounting surface 105a". In this embodiment, the protruding structure 105b" and the shell-shaped body 101" and the connecting part have a gentle transition, so that the accessory mounting area 105" is a gently convex cavity as a whole, and an accessory mounting surface 105a" is formed recessed in the middle of the cavity. It is the same as that shown in Figures 2 and 3 Compared with the embodiment, the convex structure 105b" does not form a "wall", which makes the structure of the accessory mounting area 105" simpler. On the one hand, such a structure is easier to press and mold, and on the other hand, the shell-shaped body is easier to demold. In In one embodiment, the curvature at any point of the connecting portion between the outer wall of the convex structure 105b" and the shell-like body 101" is less than 1/L, where L is the length of the cross-section of the outer wall of the convex structure 105b". In yet another embodiment, the curvature at any point of the connecting portion between the outer side wall of the convex structure 105b″ and the shell-like body 101″ is less than 1/4L.

In one embodiment, the height and shape of the cross-sections of the convex structure can be consistent everywhere. In yet another embodiment, the cross-sections of different parts of the convex structure may have different heights and shapes, for example, forming a wave shape or a pulse shape along its extending direction.

Please refer to FIG. 5 , which schematically shows a shell-shaped body 101″’ in yet another embodiment of the present application, and its viewing angle is the same as that of FIG. 2 .

The edges of the portions corresponding to the inner surface of the shell-like body 101"' (i.e., the surface on the tooth side) and the accessory mounting surface 105"' respectively form at least point contact with the surfaces of two adjacent teeth, so that at these contact points, The accessory mounting surface 105"' is supported by the teeth in the normal direction. On the one hand, this makes the accessory mounting surface 105"' less prone to collapse and deformation. On the other hand, this structure can make the distance between the accessory mounting surface 105"' and the tooth surface as short as possible, which can ensure the local structural strength of the shell-shaped body 101"' and facilitate the shell-shaped body. Demolding of 101"' (when the shell-shaped body 101"' is made by hot pressing film molding process).

It can be understood that the portion of the inner surface of the shell-shaped body 101″′ corresponding to the accessory mounting surface 105″′ can form multiple points of contact or even line contact with the tooth surface. In one embodiment, this depends on the geometry of the corresponding portion of the tooth surface and the geometry of the accessory mounting surface 105"', because in the case where the shell-like body 101"' is made by a hot stamping film forming process, the accessory mounting surface 105 ”’ is consistent with the geometric shape of the inner surface of the shell-like body 101 ”’ and the corresponding part.

In the embodiment shown in Figure 5, the geometric shape of the accessory mounting surface 105"' is a plane. Since the transition between the accessory mounting surface 105"' and the shell-shaped body 101"' is relatively gentle, from the partial cross-sectional view It is difficult to distinguish the boundary, so the boundary is marked with a dotted line.

In one embodiment, a positioning mark (not shown), such as a cross mark, can be formed at the center of the accessory mounting surface 105"', so that the automated accessory mounting equipment can recognize the positioning mark to assist the tongue button 103" 'Positioning on the shell-like body 101"'.

Please refer to Figure 6, which schematically shows a shell-shaped dental instrument 100"" in yet another embodiment of the present application, which includes a shell-shaped body 101"" and a tongue button 103"" mounted and fixed thereon. The shell-like body 101"" forms a cavity 107"" for accommodating the teeth 109"", and forms an accessory mounting surface 105"" for mounting the fixing tongue button 103"". Among them, the edge contour of the accessory mounting surface 105"" is circular, and the geometric shape is a concave arc surface toward the teeth 109"", which matches the concavity and convexity of the bottom mounting surface of the tongue button 103"". Near the center of the accessory mounting surface 105"", the area on the inner surface of the shell-shaped body 101"" corresponding to the accessory mounting surface 105"" is in contact with the teeth 109"".

Referring to FIG. 7 , a shell-shaped dental instrument 200 in another embodiment of the present application is schematically shown, which includes a shell-shaped main body 201 and a jaw pad 203 mounted and fixed thereon. The shell-like body 201 forms a cavity 207 for accommodating the teeth 209, and forms an accessory mounting surface 205 for mounting the fixed jaw pad 203 on the occlusal surface of the posterior tooth region. The edge contour of the accessory mounting surface 205 is a rectangle, and its geometric shape is a plane, which matches the bottom mounting surface of the jaw pad 203 . The area of the inner surface of the shell-like body 201 corresponding to the accessory mounting surface 205 and the teeth 209 are in contact with each other at at least two points.

Please refer to Figure 8A, which schematically shows the accessory mounting surface 205' in another embodiment of the present application, which is shell-shaped. Both sides of the edge of the area corresponding to the accessory mounting surface 205' on the inner side of the body form point contact with the surfaces of the two teeth 209' respectively, providing support for the accessory mounting surface 205'.

Please refer to Figure 8B, which schematically shows the accessory mounting surface 205" in another embodiment of the present application, one side of the edge of the area corresponding to the accessory mounting surface 205" on the inner side of the shell-shaped body and a tooth 209" The surface forms point contact to provide support for the accessory mounting surface 205".

In one embodiment, the accessory mounting surface and the accessory bottom mounting surface of the accessory mounting area may both be flat.

In yet another embodiment, the accessory mounting surface of the accessory mounting area and the accessory bottom mounting surface may be concave and convex matching arc surfaces.

In some embodiments, the accessory mounting surface and the accessory bottom mounting surface of the accessory mounting area may be a plane or a curved surface of revolution, wherein the generating line of the curved surface of revolution may be any applicable line, such as a straight line, an arc, a stepped line, etc. In this case, the accessory bottom mounting surface matches the accessory mounting surface concave and convexly.

In yet another embodiment, the accessory mounting surface or the accessory bottom mounting surface of the accessory mounting area is provided with a groove for accommodating adhesive. When the accessory is bonded and fixed to the accessory installation area using adhesive, the adhesive can be accommodated in the groove, which on the one hand can prevent the adhesive from overflowing to a certain extent, and on the other hand can also improve the bonding strength.

Inspired by this application, it can be understood that in order to improve the bonding strength, shapes such as dots and stripes can be formed on at least one of the accessory mounting area surface and the accessory standard mounting surface.

In one embodiment, the area of the accessory mounting surface of the accessory mounting area is slightly larger than the accessory bottom mounting surface.

In some embodiments, the matching degree between the geometry of the accessory mounting surface of the accessory mounting area and the geometry of the accessory bottom mounting surface only needs to meet the tolerance of the fixing method (that is, as long as a certain fixing strength is ensured), without A 100% match is required.

Although various aspects and embodiments of the present application are disclosed herein, other aspects and embodiments of the present application will be apparent to those skilled in the art in light of this application. Each one disclosed here The aspects and examples are for illustrative purposes only and not for purposes of limitation. The scope and spirit of the present application are determined only by the appended claims.

Likewise, various diagrams may illustrate exemplary architectures or other configurations of the disclosed methods and systems, which may be helpful in understanding the features and functionality that may be included in the disclosed methods and systems. The claims are not limited to the exemplary architectures or configurations shown, as the desirable features may be implemented with various alternative architectures and configurations. Additionally, for flowcharts, functional descriptions, and method claims, the order of blocks presented herein should not be limited to various embodiments implemented in the same order to perform the recited functions, unless the context clearly dictates otherwise. .

Unless expressly stated otherwise, the terms and phrases used herein and variations thereof are to be construed as open-ended and not restrictive. In some instances, the appearance of expansive words and phrases such as "one or more,""atleast,""but not limited to," or other similar language should not be construed as a context in which such expansive language may not be present. The intention or need indicates a narrowing situation.

Claims

A shell-shaped body of a shell-shaped dental instrument, characterized in that the shell-shaped body is an integrated shell, forming a cavity for accommodating multiple teeth and a first accessory mounting area, wherein the first accessory mounting area forms The accessory mounting surface and the convex structure, the accessory mounting surface has an artificially designed edge profile and geometric shape, the accessory mounting surface is surrounded by the convex structure, the accessory mounting surface is used to install the first accessory, The edge contour and geometry of the bottom mounting surface of the first accessory substantially match the accessory mounting surface.
The shell-shaped body of a shell-shaped dental instrument according to claim 1, wherein the height of the outer convex structure protruding from the shell-shaped body is higher than the portion of the accessory mounting surface that is connected to the shell-shaped body.
The shell-shaped main body of a shell-shaped dental instrument according to claim 1, characterized in that the size of the inner side of the outer convex structure gradually decreases from the top to the bottom, which can guide the bottom mounting surface of the first accessory to be installed with the accessory. Face to face.
The shell-shaped body of a shell-shaped dental instrument according to claim 1, wherein the transition between the outer side wall of the convex structure and the portion of the shell-shaped body connecting thereto is gentle.
The shell-shaped body of a shell-shaped dental instrument according to claim 1, wherein the first accessory is a prefabricated accessory.
The shell-shaped body of a shell-shaped dental instrument according to claim 5, wherein the first accessory is one of the following: a jaw pad, a tongue button, a bracket, a flat guide plate and a double jaw plate.
The shell-shaped main body of a shell-shaped dental instrument according to claim 1, wherein the edge contour of the accessory mounting surface is circular.
The shell-shaped main body of a shell-shaped dental instrument according to claim 1, wherein the geometric form of the accessory mounting surface is a plane or a curved surface of revolution.
The shell-shaped body of a shell-shaped dental instrument according to claim 1, wherein the first accessory is mounted and fixed on the shell-shaped body by bonding its bottom mounting surface to the accessory mounting surface.
The shell-shaped main body of a shell-shaped dental instrument according to claim 1, wherein the mounting surface of the accessory is slightly larger than the bottom mounting surface of the first accessory.
A shell-shaped dental instrument, characterized in that it includes a shell-shaped body and a first accessory, the shell-shaped body is an integrated shell, forming a cavity for accommodating multiple teeth and a first accessory mounting area, wherein the The first accessory mounting area forms an accessory mounting surface and a protruding structure. The accessory mounting surface has an artificially designed edge profile and geometric shape. The accessory mounting surface is surrounded by the protruding structure. The first accessory passes through The bottom mounting surface is installed and fixed on the accessory mounting surface, and the edge contour and geometry of the first accessory bottom mounting surface basically match the accessory mounting surface.
The shell-shaped dental instrument according to claim 11, wherein the height of the convex structure protruding from the shell-shaped body is higher than the portion of the accessory mounting surface that is connected to the shell-shaped body.
The shell-shaped dental instrument according to claim 11, wherein the size of the inner side of the convex structure gradually decreases from the top to the bottom to guide the bottom mounting surface of the first accessory to connect with the accessory mounting surface.
The shell-shaped dental instrument according to claim 11, wherein the transition between the outer side wall of the convex structure and the portion of the shell-shaped body connected thereto is gentle.
The shell dental instrument of claim 11, wherein the first attachment is a prefabricated attachment.
The shell-shaped dental instrument according to claim 15, wherein the first accessory is one of the following: a jaw pad, a tongue button, a bracket, a flat guide plate, and a double jaw plate.
The shell-shaped dental instrument according to claim 11, wherein the edge contour of the accessory mounting surface is circular.
The shell-shaped dental instrument according to claim 11, wherein the geometric shape of the accessory mounting surface is a plane or a curved surface of revolution.
The shell-shaped dental instrument according to claim 11, wherein the first accessory is fixedly mounted on the shell-shaped main body by bonding its bottom mounting surface to the accessory mounting surface.
The shell-shaped dental instrument according to claim 19, wherein the adhesive overflowing from between the attachment mounting surface and the first attachment bottom mounting surface bonds the inner side of the convex structure and the third attachment surface. One accessory is on the outside of the bottom.
The shell-shaped dental instrument of claim 20, wherein the accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.
A shell-shaped body of a shell-shaped dental instrument, characterized in that the shell-shaped body is an integrated shell forming a cavity for accommodating multiple teeth and a first accessory mounting surface, wherein the first accessory mounting surface has The artificially designed edge profile and geometric form are used to install and fix the first accessory. The first accessory mounting surface basically matches the edge profile and geometric form of the bottom mounting surface of the first accessory. The inner surface of the shell-shaped body The area corresponding to the first accessory mounting surface is in contact with the tooth surface at least at one point.
The shell-shaped body of a shell-shaped dental instrument according to claim 22, characterized in that the area of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface and the edge contour of the first accessory mounting surface and The geometry is consistent.
The shell-shaped body of a shell-shaped dental instrument according to claim 22, wherein the first accessory is a prefabricated accessory.
The shell-shaped main body of a shell-shaped dental instrument according to claim 24, wherein the first accessory is a tongue button, and the edge contour of the first accessory mounting surface is circular.
The shell-shaped main body of a shell-shaped dental instrument according to claim 22, wherein the geometric shape of the first accessory mounting surface is a plane or a curved surface of revolution.
The shell-shaped body of a shell-shaped dental instrument according to claim 22, wherein the edge of the area of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface is in contact with the tooth surface at least at one point.
The shell-shaped body of a shell-shaped dental instrument according to claim 22, wherein the first accessory is mounted and fixed on the shell-shaped body by bonding its bottom mounting surface to the first accessory mounting surface. .
The shell-shaped body of a shell-shaped dental instrument according to claim 28, wherein the first accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.
A shell-shaped dental instrument, characterized in that it includes a shell-shaped body and a first accessory. The shell-shaped body is an integrated shell, forming a cavity for accommodating multiple teeth and a first accessory mounting surface, wherein the The first accessory mounting surface has an artificially designed edge profile and geometric form. The first accessory is installed and fixed to the first accessory mounting surface through its bottom mounting surface. The edge profile and geometric form of the first accessory bottom mounting surface are Basically matches the mounting surface of the first accessory, and the inner surface of the shell-shaped body matches the first accessory mounting surface. The corresponding area of the mounting surface is in contact with the tooth surface at at least one point.
The shell-shaped dental instrument according to claim 30, wherein the edge contour and geometric shape of the inner surface of the shell-shaped body corresponding to the first accessory mounting surface are consistent with the first accessory mounting surface.
The shell dental instrument of claim 30, wherein the first attachment is a prefabricated attachment.
The shell-shaped dental instrument of claim 32, wherein the first accessory is one of the following: a jaw pad, a tongue button, a bracket, a flat guide plate, and a double jaw plate.
The shell-shaped dental instrument according to claim 32, wherein the first accessory is a tongue button, and the edge contour of the first accessory mounting surface is circular.
The shell-shaped dental instrument according to claim 32, wherein the geometric shape of the first accessory mounting surface is a plane or a curved surface of revolution.
The shell-shaped dental instrument according to claim 30, wherein the first accessory is fixedly mounted on the shell-shaped main body by bonding its bottom mounting surface to the first accessory mounting surface.
The shell-shaped dental instrument of claim 36, wherein the accessory mounting surface is slightly larger than the bottom mounting surface of the first accessory.
The shell-shaped dental instrument of claim 37, wherein the adhesive overflowing between the bottom mounting surface of the first accessory and the first accessory mounting surface forms a bottom mounting surface surrounding the first accessory. The structure of the face edge contour.
The shell-shaped dental instrument according to claim 30, wherein the edge of the area corresponding to the inner surface of the shell-shaped body and the first accessory mounting surface is in contact with the tooth surface at at least one point.