CN213346069U - Shell-shaped dental appliance and dental appliance system - Google Patents

Abstract

The utility model discloses a ware and system are rescued to shelly tooth. The shell-shaped tooth appliance is matched with an auxiliary appliance for use, the shell-shaped tooth appliance is provided with a cavity for accommodating a plurality of teeth, at least one action part is arranged on the shell-shaped tooth appliance and penetrates through the inner surface and the outer surface of the shell-shaped tooth appliance, and the top of the auxiliary appliance for tooth surface mounting penetrates through the cavity of the shell-shaped tooth appliance outwards and is used for guiding the teeth to gradually change from an initial position to a target appliance position by the interaction force of the shell-shaped tooth appliance and the auxiliary appliance. Above-mentioned shelly tooth is rescued ware and is assisted the device cooperation and use, can make shelly tooth rescue better transmission of the effort that the ware deformation produced and correct device and tooth with the removal of realizing the tooth better.

Description

Shell-shaped dental appliance and dental appliance system

Technical Field

The utility model belongs to the technical field of the tooth is rescued, especially, relate to a ware and system are rescued to shelly tooth.

Background

In recent years, in the field of tooth correction, shell-shaped tooth correction devices adopting the invisible correction technology are increasingly popular because of the advantages of beauty, convenience and the like when being worn. In order to achieve the expected correction effect, the shell-shaped tooth corrector is sometimes required to be matched with an accessory adhered to the surface of a tooth for correction, the accessory can be made of light-cured resin or can be directly adhered by a prefabricated accessory, and the accessory can play a role in assisting tooth movement and assisting the retention of the corrector.

The existing shell-shaped tooth appliance matched with the accessory is generally an accessory full-wrapping appliance, specifically, the shell-shaped tooth appliance is provided with a protrusion for completely wrapping the accessory, the protrusion is a vacuole for example, after the accessory is stuck to the surface of a tooth, and the accessory on the surface of the tooth is wrapped by the protrusion on the shell-shaped tooth appliance after the shell-shaped tooth appliance is worn, so that the appliance is corrected through the interaction force of the shell-shaped tooth appliance and the accessory. Above-mentioned shelly tooth is rescued one important process of ware in process of production and is the pressure membrane, and the pressure membrane in-process is because the reason of diaphragm, and the arch that forms on the shelly tooth is rescued the ware and is unable laminate completely with the continuous corner in region beyond the arch, can only realize protruding and the crooked connection in region beyond the arch through certain radian. In the actual wearing process, a triangular gap can appear between the bottom of the accessory and the shell-shaped tooth appliance, the protrusion and the accessory are not tightly fit, so that the protrusion of the shell-shaped tooth appliance cannot be completely attached to the accessory, the phenomenon that the accessory is not in place due to slippage easily occurs, the correction force of the shell-shaped tooth appliance cannot be effectively transmitted to the accessory, and the effect and the period of the whole tooth correction are influenced.

Therefore, research into obtaining shell-shaped dental appliances that can better interact with additional components on the tooth surface is of great significance in improving the correction effect and shortening the correction cycle.

Disclosure of Invention

The utility model discloses a main objective is overcome prior art defect, provides a ware and tooth are rescued to shelly tooth and is rescued system, and the arch of having solved the ware is rescued to current shelly tooth is laminated the problem that realizes the power expression rate with the annex completely, improves and rescues the effect and shortens and rescues the cycle.

The utility model provides a technical scheme as follows:

the utility model provides a shelly tooth is rescued ware, is used with supplementary device of rescuring, shelly tooth is rescued ware and is had the cavity that holds many teeth, be equipped with at least one effect portion on the shelly tooth is rescued ware, the effect portion runs through the internal surface and the surface of shelly tooth is rescued ware, the effect portion is used for supplying the supplementary device of rescuring of tooth surface mounting's top follow the cavity of shelly tooth is rescued ware inside outwards and is passed and utilize shelly tooth is rescued ware with supplementary interaction force of rescuring the device guide tooth and is changed gradually to the target from initial position and rescued the position.

Preferably, the application portion is a channel through the inner and outer surfaces of the shell-shaped dental appliance through which the auxiliary appliance can be passed.

Preferably, the channel is one or both of a hole or a hole with an open portion.

Preferably, at least part of the edge of the hole or the hole with an open portion is used to interact with the auxiliary appliance to guide the gradual change of the tooth from the initial position to the target appliance position.

Preferably, the hole or the hole with the open portion is disposed in contact with the auxiliary appliance in a manner to guide the movement of the tooth to the target appliance position.

Preferably, the aperture or the aperture with an open portion at least partially matches the shape of the interacting portion of the auxiliary orthosis.

Preferably, when the action portion is a hole, the edge of the hole substantially coincides with the projected edge of the auxiliary appliance on the tooth surface.

Preferably, the interaction force of the action portion with the auxiliary appliance is applied to at least one of a mesial side, a side adjacent to the opposing jaw, or a side away from the opposing jaw of the auxiliary appliance.

Preferably, when the active portion is a hole having an open portion, the non-closed end of the hole having an open portion is adjacent to the marginal end of the shell-shaped dental appliance.

Preferably, the interaction of the active portion with the auxiliary appliance is applied to a distal side, a proximal side, or a side adjacent to the opposing jaw of the auxiliary appliance.

Preferably, the shell-shaped dental appliance has a non-uniform thickness configuration.

Preferably, the thickness of the action portion of the shell-shaped dental appliance is greater than the thickness of the shell-shaped dental appliance except for the action portion, so that the action portion interacts with the auxiliary appliance sufficiently to provide a force for gradually changing the teeth from the initial position to the target appliance position.

Preferably, the thickness of the action part is 0.5-3.0 mm.

Preferably, the active portion is provided on a lingual side and/or a labial side of the shell-shaped dental appliance.

The utility model provides a tooth correction system, includes shell form tooth and is used for installing the supplementary device of correcting on the tooth, shell form tooth is the foretell shell form tooth and is corrected the ware, be equipped with at least one effect portion on the shell form tooth and correct the ware, the effect portion runs through the internal surface and the surface of shell form tooth and correct the ware, the effect portion is used for supplying the tooth surface mounting to correct the top of the device from the cavity of shell form tooth is inside outwards passed and is utilized shell form tooth correction ware with the mutual force guide tooth of the supplementary device of correcting is from initial position gradual change to the target position of correcting.

Preferably, the top surface of the auxiliary correcting device is also provided with a traction device or a bracket.

Preferably, the force of the auxiliary appliance interacting with the shell-shaped dental appliance, together with the traction force generated by the traction device, guides the teeth to gradually change from the initial position to the target appliance position.

Preferably, the force of the auxiliary correcting device interacting with the shell-shaped tooth corrector and the correcting force generated by the adjacent two brackets through the arch wire guide the tooth to gradually change from the initial position to the target correcting position.

Preferably, the auxiliary orthotic device is one or more of an attachment with a function of twisting teeth, an attachment with a function of horizontally moving teeth, an attachment with a function of raising or lowering teeth, an attachment with a function of traction, and an attachment with a function of adjusting jaw relation.

Through the utility model provides a ware and tooth system is rescued to shell form tooth can bring following at least one beneficial effect:

when ware and supplementary device cooperation of correcting are rescued to shell form tooth, the top of supplementary device of correcting is outwards passed from the cavity inside of shell form tooth correction ware, the top of the supplementary device of correcting is no longer wrapped up to shell form tooth correction ware, the side direct contact and the interact of device are rescued with supplementary to the active part of fretwork formula, shell form tooth is rescued the ware and is rescued the interactive force of device with supplementary through the active part transmission shell form tooth, at the pressure membrane in-process that the ware was rescued to preparation shell form tooth, only need to set up corresponding active part in supplementary department of correcting the device can, can also carry out the on-the-spot preparation by the chair according to clinician's actual treatment needs, the shell form tooth that produces is rescued the ware and is more applicable to patient's intraoral condition. The interaction of the action part and the auxiliary correcting device can enable the shell-shaped tooth correcting device and the auxiliary correcting device to generate larger retaining force, the force application is more sufficient, the action force generated by the shell-shaped tooth correcting device is better transmitted to the auxiliary correcting device and the tooth to better realize the movement of the tooth, and therefore, the correcting effect can be improved and the correcting period can be shortened.

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 a schematic structural view of a shell-shaped dental appliance according to an embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view of the shell-shaped dental appliance of FIG. 1 taken along line A-A'.

FIG. 3 is a cross-sectional view of the shell-shaped dental appliance and auxiliary appliance of FIG. 1 as they are applied to teeth.

Fig. 4 is a schematic cross-sectional view of the auxiliary orthodontic device of fig. 3 with a traction device.

FIG. 5 is a schematic representation of a lateral cranial position when the shell dental appliance of FIG. 1 is worn.

Fig. 6 is an enlarged view of a portion S1 in fig. 5.

Fig. 7 is a schematic structural view of a shell-shaped dental appliance according to another embodiment of the present invention.

FIG. 8 is a cross-sectional view of the shell-shaped dental appliance of FIG. 7 taken along line B-B'.

FIG. 9 is a cross-sectional view of the shell-shaped dental appliance and auxiliary appliance of FIG. 7 when applied to a tooth.

FIG. 10 is a cross-sectional view of the auxiliary orthotic device of FIG. 9 with a traction device.

FIG. 11 is a schematic representation of a lateral cranial position when the shell dental appliance of FIG. 7 is worn.

Fig. 12 is an enlarged view of a portion S2 in fig. 11.

In the figure: 10. a shell-shaped dental appliance; 11. an action part; 20. an auxiliary correction device; 30. a traction device; 100. a tooth.

Detailed Description

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

The terms "anterior dental zone" and "posterior dental zone" are defined according to the classification of teeth in the 2 nd edition, pages 36-38 of the introduction to oral medicine, published by the university of Beijing medical Press, the anterior dental zone including the middle incisor, lateral incisor and cuspid teeth, shown as 1-3 by FDI notation, the posterior dental zone including the premolar and molars, shown as 4-8 by FDI notation. The shell-shaped dental appliance 10 has a cavity for receiving a plurality of teeth and is divided into lingual and labial sides. Wherein the "lingual side" is named for each face of the crown according to pages 35 to 36 of "introduction of oral medicine" 2 nd edition published by Beijing university medical Press, in which the labial side and the buccal side are the sides of the anterior tooth where the crown is close to the labial lip and the sides of the posterior tooth where the crown is close to the buccal side are called labial sides and buccal sides. The lingual surfaces are generally referred to as lingual surfaces, in which the crowns of the anterior and posterior teeth are close to the lingual surfaces.

Referring to fig. 1 to 12, the present invention provides a dental appliance system including a shell-shaped dental appliance 10 and an auxiliary appliance 20 for mounting on a tooth 100.

Shell-shaped dental appliances 10 are used in conjunction with auxiliary appliances 20 to correct teeth 100. Specifically, the shell-shaped dental appliance 10 has a cavity for accommodating a plurality of teeth 100, and is divided into a lingual side and a labial side, an anterior dental area and a posterior dental area, the shell-shaped dental appliance 10 is provided with at least one action portion 11, the action portion 11 may be provided on the lingual side and/or the labial side of the shell-shaped dental appliance 10, and the action portion 11 may be provided on the anterior dental area and/or the posterior dental area of the shell-shaped dental appliance 10. The action part 11 penetrates through the inner surface and the outer surface of the shell-shaped dental appliance 10, so that the action part 11 has a hollow structure; wherein the inner surface of the shell appliance 10 is the side of the corresponding tooth 100 that is received or wrapped adjacent thereto and the outer surface of the shell appliance 10 is the side of the corresponding tooth 100 that is received or wrapped away therefrom.

The auxiliary appliance 20 may be an attachment for mounting on the surface of the tooth 100, and the attachment may be one or a combination of attachments having a function of twisting the tooth 100, attachments having a function of horizontally moving the tooth 100, attachments having a function of raising or lowering the tooth 100, attachments having a traction function, attachments having a function of adjusting jaw relation. The shape of the attachment projected onto the surface of the tooth 100 may be one or more of polygonal, circular, elliptical, semicircular, and semicircular ring shapes. When the shape of the attachment projected on the surface of the tooth 100 is a polygon, the polygon may be a triangle or a quadrangle or other polygon, wherein the side length of the triangle or quadrangle may be 0.5-10 mm. The diameter of the perfect circle may be 0.5-7mm, the major axis of the ellipse may be 0.5-7mm, the diameter of the semicircle may be 0.5-7mm, the width of the semicircle ring may be 0.5-6mm, and the diameter of the outer circle may be 1-7 mm. The height of the attachment projecting outwardly away from the side of the tooth 100 is, for example, 0.75 mm.

Referring to fig. 3 and 9, the action portion 11 of the shell-shaped appliance 10 is used for the top of the auxiliary appliance 20 for surface mounting of the tooth 100 to pass through from the inside of the cavity of the shell-shaped appliance 10 outwards, and guides the tooth 100 to gradually change from the initial position to the target appliance position by the interaction force of the shell-shaped appliance 10 and the auxiliary appliance 20. The initial position can be the relative position of the digital model collected when the patient is hospitalized, and the target correcting position can be the position where the final correcting effect is carried out by doctors and medical designers according to the patient appeal and the intraoral condition.

Above-mentioned shelly tooth is rescued ware 10 and is assisted when correcting device 20 cooperation use, the top of the supplementary device 20 of correcting is passed outwards from the cavity inside of shelly tooth is rescued ware 10, shelly tooth is rescued ware 10 and is no longer wrapped up the top of the supplementary device 20 of correcting of wrapping up, the lateral direct contact and the interact of the active part 11 and the supplementary device 20 of correcting of fretwork formula, shelly tooth is rescued ware 10 and is corrected device 20's interact through the active part 11 transmission shelly tooth, at the press mold in-process of preparing shelly tooth and rescues ware 10, only need to set up corresponding active part 11 in supplementary device 20 department can, can also carry out the on-the-spot preparation by the chair according to clinician's actual treatment needs, the shell tooth of preparation is rescued ware 10 and is more be applicable to patient's intraoral condition. The interaction of the action part 11 and the auxiliary orthodontic device 20 can enable the shell-shaped tooth appliance 10 and the auxiliary orthodontic device 20 to generate larger retaining force, the force application is more sufficient, and the acting force generated by the deformation of the shell-shaped tooth appliance 10 is better transmitted to the auxiliary orthodontic device 20 and the tooth 100 so as to better realize the movement of the tooth 100, so that the orthodontic effect can be improved and the orthodontic period can be shortened.

In some embodiments of the present invention, the action portion 11 can be a channel that runs through the inner surface and the outer surface of the shell-shaped dental appliance 10 and that allows the auxiliary appliance 20 to pass through, and the channel can be one or both of a hole and a hole having an open portion. Referring to fig. 1 and 2, when the action part 11 of the shell-shaped dental appliance 10 is a hole, the hole may be one or more of a polygonal hole, a regular circular hole, an elliptical hole, a semicircular hole, and a semicircular annular hole. Referring to fig. 7 and 8, when the action portion 11 of the shell-shaped appliance 10 is an opening having an open portion, the opening having an open portion is, for example, a notch formed in the marginal end of the shell-shaped appliance 10, and the notch is, for example, one or more of a polygonal notch, a semicircular notch, and a U-shaped notch. Referring to fig. 5 and 6, when the action portion 11 is a hole, the edge of the hole substantially fits the projected edge of the auxiliary appliance 20 on the surface of the tooth 100, and when the action portion 11 interacts with the side surface of the auxiliary appliance 20, the action portion 11 and the side surface of the auxiliary appliance 20 have substantially no gap, and the force generated by the deformation of the shell-shaped dental appliance 10 can be better transmitted to the auxiliary appliance 20 and the tooth 100.

At least a part of the edge of the hole or the hole with an open part is used for interacting with the auxiliary appliance 20 to guide the tooth 100 to gradually change from the initial position to the target appliance position, the hole or the hole with an open part is arranged in contact with the auxiliary appliance 20 in a manner of guiding the tooth 100 to move to the target appliance position, and the acting force generated by the deformation of the shell-shaped dental appliance 10 is better transmitted to the auxiliary appliance 20 and the tooth 100 by the arrangement of the acting part 11 so as to better realize the movement of the tooth 100.

The shape of the hole or the portion of the hole with an open portion that interacts with the auxiliary appliance 20 preferably at least partially matches, and the interaction force of the active portion 11 with the auxiliary appliance 20 can be applied to at least one of the distal side, the proximal side, the side adjacent to the opposing jaw, or the side away from the opposing jaw of the auxiliary appliance 20. As an example, when the interaction force of the action part 11 with the auxiliary orthosis 20 is applied to the distal side of the auxiliary orthosis 20, when the distal side of the auxiliary orthosis 20 is a plane, the hole or the corresponding part of the hole having the open part for applying the interaction force is a straight edge; when the distal side of the auxiliary orthosis 20 is a curved surface, the corresponding portion of the hole or the hole having an open portion for applying the interaction force is a curved edge. The structure enables the interaction parts of the action part 11 and the auxiliary orthodontic device 20 to be matched with each other, so that the slippage during the interaction is prevented, and the acting force generated by the deformation of the shell-shaped tooth appliance 10 can be better transmitted to the auxiliary orthodontic device 20 and the tooth 100 to better realize the movement of the tooth 100.

Referring to fig. 7 to 12, when the action portion 11 is a hole having an open portion, a non-closed end of the hole having an open portion is adjacent to a gingival margin end of the shell-shaped dental appliance 10, an interaction force of the action portion 11 with the auxiliary appliance 20 may be applied to a distal side, a proximal side, or a side adjacent to an opposite jaw of the auxiliary appliance 20. The non-closed end of the hole having the open portion is disposed adjacent to the gingival margin end of the shell-shaped dental appliance 10, and the side of the auxiliary appliance 20 adjacent to the gingiva is not wrapped by the action portion 11 of the shell-shaped dental appliance 10, which facilitates the removal and wearing of the shell-shaped dental appliance 10.

In some embodiments of the present invention, the thickness of the shell-shaped dental appliance 10 is a non-uniform thickness structure. The thickness of the action portion 11 of the shell-shaped appliance 10 is preferably greater than the thickness of the shell-shaped appliance 10 except for the action portion 11, and the thickness of the action portion 11 is preferably 0.5 to 3.0mm, so that the action portion 11 and the auxiliary appliance 20 are in contact with each other to provide a sufficient contact area and act upon each other to provide a force for gradually changing the tooth 100 from the initial position to the target appliance position. The thickness of the action part 11 can be the thickness of the edge of the hole or the hole with an open part, the strength of the action part 11 can be improved and the contact area with the side surface of the auxiliary orthodontic device 20 can be increased by increasing the thickness of the action part 11, and when the action part 11 transmits the acting force, the action part 11 can be prevented from being deformed, so that the acting force generated by the deformation of the shell-shaped orthodontic device 10 can be better transmitted to the auxiliary orthodontic device 20 and the teeth 100.

The utility model discloses in some embodiments, supplementary top surface of correcting device 20 and the supplementary side smooth connection of correcting device 20 make supplementary top surface of correcting device 20 and the junction of side do not have sharp-pointed angle, and the supplementary top surface of correcting device 20 is hemisphere top surface or arc top surface, does not have sharp-pointed angle on the supplementary top surface of correcting device 20 yet, and in the use, supplementary device 20 of correcting can not fish tail intraoral tissue, and it is also more comfortable to wear in the patient mouth.

In some embodiments of the present invention, referring to fig. 4 and 10, a traction device 30 or a bracket is further disposed on the top surface of the auxiliary orthodontic device 20, and the traction device 30 or the bracket can be disposed on the top surface of the auxiliary orthodontic device 20 by means of an adhesive. Present annex full packet mode correction ware can't set up draw gear 30 or hold in the palm the groove and to the direct application of force of annex on the annex, the utility model discloses a shell form tooth that has hollow out construction's effect portion 11 corrects ware 10, when wearing, the top surface of supplementary device 20 of correcting stretches out from the cavity inside that shell form tooth corrected ware 10, the supplementary top surface of correcting device 20 exposes, can assist and set up draw gear 30 or the support groove that supplementary tooth 100 removed on the top surface of correcting device 20, when supplementary device 20 and shell form tooth are corrected ware 10 interact and are produced the tooth and correct the effect, can also utilize draw gear 30 and other supplementary device interact of correcting to produce the effect of correcting in coordination, thereby improve and correct the effect and shorten the cycle.

When the traction device 30 is disposed on the top surface of the auxiliary orthodontic device 20, the traction device 30 is, for example, a lingual button or a traction hook, and an elastic member such as an elastic rubber band can be hooked on the traction device 30, so as to increase the acting force of the auxiliary orthodontic device 20 on the tooth 100, and the force of the interaction between the auxiliary orthodontic device 20 and the shell-shaped orthodontic device 10 and the traction force generated by the traction device 30 together guide the tooth 100 to gradually change from the initial position to the target orthodontic position. When the auxiliary correcting device 20 is provided with brackets on the top surface, the brackets can be provided with an arch wire, and the force generated by the interaction between the auxiliary correcting device 20 and the shell-shaped tooth correcting device 10 and the correcting force generated by the arch wire by the adjacent two brackets together guide the tooth 100 to gradually change from the initial position to the target correcting position.

It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (19)

1. The shell-shaped tooth appliance is matched with an auxiliary appliance for use, and is provided with a cavity for accommodating a plurality of teeth.

2. The shell-shaped dental appliance of claim 1, wherein the active portion is a channel through the inner and outer surfaces of the shell-shaped dental appliance through which the auxiliary appliance can pass.

3. The shell-shaped dental appliance of claim 2, wherein the channel is one or both of a hole or a hole with an open portion.

4. The shell-shaped dental appliance of claim 3, wherein at least a portion of the edges of the aperture or the aperture with an open portion are configured to interact with the auxiliary appliance to guide the gradual change of the tooth from the initial position to the target appliance position.

5. The shell-shaped dental appliance of claim 3, wherein the hole or holes with open portions are positioned in contact with the auxiliary appliance in a manner that guides the movement of the tooth to the target appliance position.

6. The shell-shaped dental appliance of claim 3, wherein the aperture or the aperture with an open portion at least partially matches the shape of the interacting portion of the auxiliary appliance.

7. The shell-shaped dental appliance of claim 6, wherein when the active portion is an aperture, an edge of the aperture substantially conforms to a projected edge of the auxiliary appliance on a tooth surface.

8. The shell-shaped dental appliance of claim 6, wherein the interaction of the action portion with the auxiliary appliance is applied to at least one of a mesial side, a side adjacent to the opposing jaw, or a side distal from the opposing jaw of the auxiliary appliance.

9. The shell-shaped dental appliance of claim 6, wherein when the active portion is a hole with an open portion, the non-closed end of the hole with an open portion is adjacent to a gingival margin of the shell-shaped dental appliance.

10. The shell-shaped dental appliance of claim 9, wherein the interaction of the action portion with the auxiliary appliance is applied to a distal side, a proximal side, or a side adjacent to the opposing jaw of the auxiliary appliance.

11. The shell-shaped dental appliance of claim 1, wherein the shell-shaped dental appliance has a non-uniform thickness configuration.

12. The shell-shaped dental appliance of claim 11, wherein the thickness of the action portion on the shell-shaped dental appliance is greater than the thickness of the shell-shaped dental appliance other than the action portion such that the action portion interacts with the auxiliary appliance sufficient to provide a force that gradually changes the tooth from the initial position to the target appliance position.

13. The shell-shaped dental appliance of claim 11, wherein the thickness of the action portion is 0.5-3.0 mm.

14. The shell-shaped dental appliance of claim 1, wherein the active portion is provided on a lingual side and/or a labial side of the shell-shaped dental appliance.

15. A dental appliance system, which comprises a shell-shaped dental appliance and an auxiliary appliance for being mounted on teeth, wherein the shell-shaped dental appliance is the shell-shaped dental appliance as claimed in any one of claims 1 to 14, at least one action part is arranged on the shell-shaped dental appliance, the action part penetrates through the inner surface and the outer surface of the shell-shaped dental appliance, and the action part is used for leading the top of the auxiliary appliance for surface mounting of teeth to penetrate outwards from the inside of the cavity of the shell-shaped dental appliance and guiding the teeth to gradually change from an initial position to a target appliance position by utilizing the interaction force of the shell-shaped dental appliance and the auxiliary appliance.

16. The dental appliance system of claim 15, wherein the auxiliary appliance further comprises a traction device or bracket on a top surface thereof.

17. The dental appliance system of claim 16, wherein the forces of the auxiliary appliance interacting with the shell appliance, in combination with the traction forces generated by the traction device, guide the gradual change of the teeth from the initial position to the target appliance position.

18. The dental appliance system of claim 16, wherein the force of the auxiliary appliance interacting with the shell-shaped dental appliance in combination with the orthodontic force of two adjacent brackets via the archwire guides the gradual change of the tooth from the initial position to the target orthodontic position.

19. The dental appliance system of claim 15, wherein the auxiliary orthodontic device is one or more of an attachment having a function of twisting teeth, an attachment having a function of horizontally moving teeth, an attachment having a function of raising or lowering teeth, an attachment having a traction function, and an attachment having a function of adjusting jaw relation.

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