WO2021249044A1 - Auxiliary correcting apparatus, shell-shaped tooth correcting device and correcting kit - Google Patents

Abstract

An auxiliary correcting apparatus (100, 200, 300), a shell-shaped tooth correcting device (1101, 1102, 1201, 1202) and a correcting kit. The auxiliary correcting apparatus (100, 200, 300) comprises a reference part (101, 201, 301, 401) and a correcting part (102, 402), wherein the correcting part (102, 402) is provided with a channel (103, 304, 403, 603, 604) capable of making a fastener (13) pass therethrough and fixing the fastener (13), and the outer contour of the correcting part (102, 402) at least partially fits the outer contour of an accessory which can match an accessory accommodating part (1001) on the shell-shaped tooth correcting device (1101, 1102, 1201, 1202) for tooth correcting. The shell-shaped tooth correcting device (1101, 1102, 1201, 1202) is for being used in cooperation with the auxiliary correcting apparatus (100, 200, 300), and at least two accessory accommodating parts (1001) for accommodating the auxiliary correcting apparatus (100, 200, 300) are arranged on the shell-shaped tooth correcting device (1101, 1102, 1201, 1202). The correcting kit comprises at least one shell-shaped tooth correcting device (1101, 1102, 1201, 1202) that is used in cooperation with the auxiliary correcting apparatus (100, 200, 300). The channel (103, 304, 403, 603, 604) is arranged on the auxiliary correcting apparatus (100, 200, 300), and the auxiliary correcting apparatus (100, 200, 300) has the appearance of a conventional accessory, such that the auxiliary correcting apparatus (100, 200, 300) has the the dual function of being an accessory and a bracket at the same time.

Description

Auxiliary orthodontic device, shell-shaped dental appliance and orthodontic set

Cross-references to related applications

This application requires the Chinese patent application No. 202021059111.7 filed on June 10, 2020, the entire content of which is hereby incorporated by reference.

Technical field

This application belongs to the technical field of orthodontics, more precisely, it belongs to the technical field of shell-shaped dental appliances, and particularly relates to an auxiliary orthodontic device for shell-shaped dental appliances, a shell-shaped dental appliance and an orthodontic set used in conjunction therewith .

Background technique

Orthodontics are mainly treated with force, and the appliance is a device for treating malocclusion, which can generate force. Among them, the movable appliance, the functional appliance and the fixed appliance constitute the three major systems of orthodontic technology.

Fixed appliance is an important type of orthodontic appliance. This kind of appliance is fixed on the tooth by adhesion or ligation. The fixed appliance has good retention, sufficient anchorage, and is suitable for applying various types of corrective force. And it is conducive to the movement of most teeth and can effectively control the direction of tooth movement. Therefore, fixed appliances are widely used in the treatment of orthodontics. There are many types of fixed appliances, among which lip, tongue arch appliances, and double arch appliances are the fixed appliances used earlier. The multi-band ring appliance has become a fixed appliance widely used clinically, such as the square wire appliance, the thin wire appliance and so on. The force application part of the fixed appliance is the arch wire, which is mostly composed of stainless steel wire and alloy steel wire.

The movable appliance can be removed and worn freely by the patient or doctor, and the appliance is intact when it is removed; it relies on the retention of the clasp and the adsorption of the mucosa to play a corrective role. The doctor can add or remove the accessories that can produce the corrective force on the appliance according to the needs, so as to achieve the purpose of correcting the wrong jaw.

Fixed appliances and movable appliances have their own advantages and disadvantages. The advantages of fixed appliances include: 1) Good retention and adequate anchorage; 2) It can move most teeth; the overall movement, torque and torsion are easy to move; 3) Can control the direction of movement of the orthodontic tooth; 4) Can correct more complex malocclusion; 5) Small size and more comfortable; 6) Does not affect pronunciation and oral training; 7) Clinical follow-up treatment has a long interval of force; 8) Patients cannot Take off the appliance by yourself without wearing it, so the orthodontic power can continue to be exerted. The disadvantages of fixed appliances include: 1) The use of fixed appliances requires special attention to oral health care, such as it is particularly easy to cause caries and gingivitis; 2) The fixed appliance technology is relatively complicated, and the clinical chairside operation time is longer, so It can only be used by experienced doctors; 3) If the force is too strong, the patient cannot take it out by himself, and sometimes it is easy to cause damage to the periodontal tissue and produce undesirable consequences. The advantages of the movable appliance include: 1) The patient can remove and wear it by himself, which is convenient for washing, and can keep the appliance clean and oral hygiene; 2) Avoid damaging the periodontal tissue of the tooth; when the pressure is too large, the patient can remove it by himself , The corrective force is also eliminated due to the dislocation of the orthodontic appliance; 3) does not affect the appearance; if it is required for diplomacy, performances and other occasions, it can be worn at night; 4) it can correct the common malocclusion. The disadvantages of movable appliances include: 1) Insufficient anchorage; 2) Single force, the ability to control tooth movement is not as good as movable appliances, and the way of tooth movement is mostly oblique movement, which is difficult to move as a whole; 3) It affects pronunciation; because of the relationship of base , So the tongue mobility is limited; 4) there is a foreign body sensation; 5) the remaining gap is difficult to handle. In summary, it can be seen that fixed appliances and movable appliances have their own advantages and disadvantages. If the advantages of both can be taken into account and the disadvantages of both can be avoided, it will have a better correction effect for the treatment of special cases, which is of great significance. In recent years, invisible dental appliances among movable appliances have been more and more accepted by orthodontic patients due to their convenient removal and comfort.

However, invisible orthodontic technology still has shortcomings and shortcomings. In correcting the following clinical problems, the role of invisible dental appliances is relatively limited. The main manifestations are: 1. Severe mismatch of individual teeth or groups of teeth, such as twisting, tilting, lip and tongue Dislocation, vertical to low position, etc.; 2. Level the Spee curve and establish the occlusal butt joint of the posterior teeth; 3. In the case of extraction, the anterior teeth are retracted, the inclination of the posterior teeth is controlled, and the remaining space of the extraction is closed. Therefore, it is of great significance to combine fixed orthodontics and invisible tooth orthodontics to solve the above technical problems.

Summary of the invention

This application provides an auxiliary orthodontic device, a shell-shaped dental appliance and an orthodontic set for a shell-shaped dental appliance, which solves the problem that the existing shell-shaped dental appliance plays a relatively limited role in the above-mentioned malocclusion condition. problem.

Some embodiments of this application provide an auxiliary orthodontic device, which is used to perform tooth orthodontics with a shell-shaped dental instrument, so that the teeth gradually change from an initial position to a target orthodontic position, wherein the shell-shaped dental instrument is provided with an accessory accommodating The auxiliary orthodontic device includes: a reference portion that can be fixed on the surface of the tooth, and an orthodontic portion extending from the reference portion to the side away from the surface of the tooth and used in conjunction with the shell-shaped dental instrument.

Wherein, the correction part is at least partially accommodated in the accessory accommodating part provided corresponding to the correction part, and the correction part is provided with at least one fastener that can pass through and fix the fastener At the same time, the outer contour of the orthodontic part is at least partially coincident with the outer contour of an accessory capable of cooperating with the accessory accommodating part for orthodontics, so that the auxiliary orthodontic device also has substantially the same Corrective effect.

In one embodiment, the channel does not intersect the reference portion.

In one embodiment, the channel is a built-in perforation provided in the meso-distal direction in the correction part and/or a groove provided in the mesio-distal direction on the outer surface of the correction part.

In one embodiment, when the channel includes a built-in perforation, the distance between the built-in perforation and the reference part is not greater than the distance between the built-in perforation and the outer surface of the correction part.

In one embodiment, when the channel of the auxiliary orthodontic device is only a separately provided built-in perforation or groove, the width of the auxiliary orthodontic device provided with the built-in perforation in the mesial and distal direction is smaller than that of the auxiliary orthodontic device provided with the groove The width of the device in the mesio-distal direction.

In one embodiment, the position of the built-in perforation is at or near the center of the lip/buccal-lingual cross-sectional surface; when the auxiliary orthodontic device is provided with the built-in perforation and the groove at the same time, the The position where the built-in perforation is arranged is closer to the reference part than the position where the groove is arranged.

In one embodiment, the cross-section of the built-in perforation along the lip/buccal-lingual lateral direction is one of circular, semicircular, elliptical, semi-elliptical, polygonal, or a combination of the foregoing shapes.

In one embodiment, when the cross-section of the built-in perforation along the lip/buccal-lingual direction is circular, the diameter of the cross-section is 0.25mm-0.78mm; the cross-section of the built-in perforation along the lip/buccal-lingual direction is In the case of square/rectangular/regular hexagon, the side length dimension of the cross section is 0.40-0.72 mm.

In one embodiment, the cross-section of the groove along the lip/buccal-lingual lateral direction is one of a circular arc, a semicircular arc, an elliptical arc, a semielliptical arc, a polygon, or a combination of the foregoing shapes. kind. An alternative to the combination of the above shapes is: the cross-section of the groove along the lip/buccal-lingual side is: the cross-section on the side adjacent to the reference part is set to be a semicircle, and the cross-section near the lip/buccal-lingual side is set to be rectangular .

In one embodiment, when the auxiliary orthodontic device is provided with the built-in perforation and the groove at the same time, the center of the section of the built-in perforation along the lip/buccal-lingual lateral direction and the groove along the lip/buccal-lingual The central line of the lateral cross-section is not perpendicular to the long axis of the tooth fixed by the auxiliary orthodontic device.

In one embodiment, the cross-sectional center of the built-in perforation along the lip/buccal-lingual direction is connected to the cross-sectional center of the groove along the lip/buccal-lingual direction, and is connected to the long axis of the tooth fixed by the auxiliary orthodontic device. The formed angle α is an acute angle.

In one embodiment, the cross-sectional center of the built-in perforation along the lip/buccal-lingual direction is connected to the cross-sectional center of the groove along the lip/buccal-lingual direction, and is connected to the long axis of the tooth fixed by the auxiliary orthodontic device. The formed angle α is 30°-60°.

In one embodiment, the number of each of the built-in perforations and/or the grooves is at least one.

In one embodiment, the reference portion is a flat structure or a curved structure that is attached to the surface of the tooth.

In one embodiment, when the reference portion has a planar structure, the built-in perforation and/or the groove and the reference portion are arranged in parallel along the mesio-distal direction.

In one embodiment, when the reference portion is a curved structure that fits the tooth surface, the curvature of the reference portion is consistent with the curvature of the built-in perforation and/or the groove in the mesio-distal direction .

In one embodiment, the reference portion is further provided with a surface structure that increases friction on the side adjacent to the tooth.

In one embodiment, in the lateral cross-section of the auxiliary orthodontic device along the lip/buccal tongue, the length of the auxiliary orthodontic device excluding the channel is 0.2mm-4.0mm.

In one embodiment, the contour of the lower end of the auxiliary orthodontic device adjacent to the gum line facing the occlusal surface is a smoothly transitioned inclined curved surface.

In one embodiment, the auxiliary orthodontic device is further provided with an auxiliary accommodating part for accommodating auxiliary orthodontics on the side adjacent to the occlusal surface and/or adjacent to the gum line. Among them, the auxiliary correcting member may be, for example, a rubber chain, a ligature ring, and the like.

In one embodiment, the auxiliary accommodating part is a accommodating groove recessed toward the center of the auxiliary orthodontic device.

In one embodiment, the accommodating grooves are provided on the side adjacent to the occlusal surface and the side adjacent to the gum line, and are arranged symmetrically.

In one embodiment, the outer contour of the orthodontic part is at least partially coincident with the outer contour of an accessory capable of cooperating with the accessory accommodating part for tooth correction, so that the auxiliary orthodontic device has the same shape as the accessory. The corrective effect.

In one embodiment, the outer contour of the orthodontic part is consistent with the outer contour of an accessory capable of cooperating with the accessory accommodating part for orthodontics, so that the auxiliary orthodontic device also has substantially the same shape as the accessory. Corrective effect.

In one embodiment, the outer contour of the orthodontic part is consistent with the outer contour of an accessory capable of cooperating with the accessory accommodating part for orthodontics, so that the auxiliary orthodontic device also has the same orthodontic treatment as the accessory effect.

Based on the same inventive concept, the present application also provides a shell-shaped dental appliance. The shell-shaped dental appliance is provided with at least two accessory accommodating parts for accommodating any of the above-mentioned auxiliary orthodontic devices; When a plurality of accessory accommodating parts are provided, the shell-shaped dental appliance is further provided with a communication part connecting the adjacent accessory accommodating parts and accommodating the fasteners between the adjacent accessory accommodating parts , The adjacent accessory accommodating portion and the communicating portion are connected to each other.

In one embodiment, when a plurality of accessory accommodating parts are provided, both ends of the communication space formed by the accessory accommodating part and the communicating part are also provided with auxiliary fasteners for accommodating and assisting the fixing of the fasteners. Solid part.

As an alternative to the above-mentioned shell-shaped dental appliance, the cross section of the communicating portion along the lip/buccal-lingual direction is one of a circular arc, an elliptical arc, or a polygon.

As an alternative to the above-mentioned shell-shaped dental appliance, the accessory accommodating portion has a side adjacent to the auxiliary orthodontic device that cooperates with the outer surface of the auxiliary orthodontic device to produce an orthodontic effect.

As an alternative to the aforementioned shell-shaped dental appliance, the shell-shaped dental appliance is further provided with a second accessory accommodating portion for accommodating the dental orthodontic accessory.

Based on the same inventive concept, the present application also provides an orthodontic set, including a first shell-shaped dental appliance for wearing on the first dentition and a second shell-shaped dental appliance for the antagonist dentition, wherein , The first shell-shaped dental appliance is any one of the above-mentioned shell-shaped dental appliances.

As an alternative to the aforementioned orthodontic set, the second shell-shaped orthodontic appliance includes a cavity structure for accommodating the opposing dentition.

As another alternative to the aforementioned dental appliance set, the second shell-shaped dental appliance is any one of the aforementioned shell-shaped dental appliances.

The auxiliary orthodontic device for the shell-shaped dental appliance, the shell-shaped dental appliance and the orthodontic set provided by this application can bring the following beneficial effects.

1. By providing a channel on the auxiliary orthodontic device, the fastener can pass through, and the outer contour of the auxiliary orthodontic device has a structure that coincides with the outer contour of the conventional accessory, so that when the auxiliary orthodontic device interacts with the invisible dental appliance, The auxiliary orthodontic device can be used as an accessory. At the same time, the auxiliary orthodontic device can also function as a bracket for fixing technology, allowing fasteners (such as archwires) to pass through the channels (such as built-in perforations and/or Groove), has the effect of fixed correction. When a patient’s teeth require a combination of fixed orthodontics and invisible orthodontics, only the auxiliary orthodontic device needs to be pasted on the teeth, which can function as accessories and brackets at different times, or at the same time as accessories and brackets. The dual function avoids the need to paste attachments and brackets on the tooth surface multiple times for different orthodontic needs, thereby reducing the damage to the patient's teeth.

2. The built-in perforations and/or grooves inserted or inserted into the groove fasteners on the auxiliary orthodontic device, such as fragmented archwire, shell-shaped dental appliance wraps the auxiliary orthodontic device and fasteners, of which the shell-shaped dental appliance The combination of the orthodontic device and the fastener realizes the combined treatment of invisible and fixed orthodontics, in which the shell-shaped dental appliance wraps the auxiliary orthodontic device and the fastener. The three can cooperate to achieve mutual compensation of the effects of fixed and invisible orthodontics. The correction of malocclusion and the enhancement of anchorage of teeth, group teeth and partial dentition have better therapeutic effects.

3. The combination of the shell-shaped dental appliance and the auxiliary orthodontic device can achieve the effect of invisible tooth correction, that is, the auxiliary orthodontic device can interact with the accessory accommodating part provided on the shell-shaped dental appliance to generate correction force; the auxiliary orthodontic device can also interact with The interaction of the fasteners produces the corrective force; the above two situations can be realized at the same time, or the treatment can be realized in stages, and finally the treatment goal is reached.

4. Auxiliary receiving parts are made at the upper and lower ends of the auxiliary orthodontic device for embedding the ligature ring or rubber chain, effectively fixing fasteners such as arch wires, and realizing the effect of correction and movement with force applied in a fixed direction.

Description of the drawings

The technical solutions of the present application will be described in a clear and easy-to-understand manner in conjunction with the accompanying drawings, and the above-mentioned characteristics, technical features, advantages and implementation methods will be further described.

Figures 1a and 1b are schematic diagrams of the first embodiment of the auxiliary orthodontic device of the present application.

Fig. 2 is a schematic structural diagram of the second embodiment of the auxiliary orthodontic device of this application.

Fig. 3 is a schematic structural diagram of the third embodiment of the auxiliary orthodontic device of this application.

4a and 4b are schematic structural diagrams of the fourth embodiment of the auxiliary orthodontic device of this application.

Figures 5a and 5b are schematic diagrams of the fifth embodiment of the auxiliary orthodontic device of this application.

Fig. 6a and Fig. 6b are schematic structural diagrams of the sixth embodiment of the auxiliary orthodontic device of this application.

FIG. 7 is a schematic structural diagram of the seventh embodiment of the auxiliary orthodontic device of this application.

Fig. 8a and Fig. 8b are schematic structural diagrams of the eighth embodiment of the auxiliary orthodontic device of this application.

Figures 9a and 9b are schematic structural diagrams of the ninth embodiment of the auxiliary orthodontic device of this application.

Figures 10a and 10b are schematic diagrams of the auxiliary orthodontic device with an anti-dropping structure according to the present application.

Figures 11a and 11b are schematic cross-sectional views of the reference part and the curvature of the channel of the auxiliary orthodontic device of the present application.

Fig. 12 is a schematic diagram of the structure of the shell-shaped dental appliance of the application.

Figures 13a and 13b are schematic diagrams of the auxiliary fastening part of the shell-shaped dental appliance of the present application.

FIG. 14 is a schematic structural diagram of Embodiment 1 of the treatment kit of this application.

FIG. 15 is a schematic structural diagram of Embodiment 2 of the treatment kit of this application.

detailed description

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the specific implementation manners of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the application. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings and obtained Other embodiments.

The auxiliary orthodontic device provided in this application and its corresponding shell-shaped dental appliance and orthodontic set can provide greater orthodontic force, which is more suitable for torsion, tilt, lip and tongue misalignment, vertical low position, etc. As well as leveling the Spee curve and establishing posterior occlusal butt orthodontics, anterior tooth adduction, posterior axis inclination control, and extraction residual gap closure in tooth extraction cases.

The design concept of this application is to make the auxiliary orthodontic device have the dual functions of conventional invisible orthodontic accessories and fixed orthodontic traditional brackets, so that the auxiliary orthopedic device can perform the tasks of invisible orthodontic accessories while also functioning as a fixed technical bracket. effect. When playing the role of the brackets, insert or insert fasteners such as fragmented arch wires between the auxiliary orthodontic devices, and under the overall coverage and control of the shell-shaped orthodontic appliance, perform individual teeth and grouped teeth with the advantages of classic fixation technology. And the correction of local dentition such as malposition correction and anchorage enhancement.

Example

As shown in Figures 1a-9b, the auxiliary orthodontic device provided by this embodiment is used to perform tooth orthodontics with shell-shaped dental appliances such as shell-shaped dental appliances (also called invisible dental appliances), so that the teeth can be restored from the initial position Gradually change to the target treatment position. The initial position of the tooth can be the initial position of the tooth to be treated or any position before the treatment during the tooth treatment. The target treatment position of the tooth can be closer to the treatment target than the initial position Any position; wherein the shell-shaped dental instrument is provided with an accessory accommodating portion for cooperating with the auxiliary orthodontic device, specifically,

The auxiliary correction device includes:

A reference part that can be fixed to the surface of the tooth, and

An orthodontic part extending from the reference part to the side away from the tooth surface and used in conjunction with the shell-shaped dental instrument, wherein:

The correction part is at least partially housed in the accessory housing part of the shell-shaped dental instrument provided corresponding to the correction part, and,

The correction part is provided with at least one passage through which the fastener can pass and can fix the fastener, and at the same time,

The outer contour of the orthodontic part is at least partially coincident with the outer contour of an accessory capable of cooperating with the accessory accommodating part for tooth correction, so that the auxiliary orthodontic device also has substantially the same orthodontic effect as the accessory.

Specifically, the reference part may be a surface of the auxiliary orthodontic device that fits the tooth surface, and is used to bond the auxiliary orthodontic device to the tooth surface; the orthodontic part has the shape of a conventional accessory used in conjunction with an invisible appliance, which can realize The functions of conventional accessories, such as fixing a shell-shaped dental appliance, or cooperating with a shell-shaped dental appliance to apply an orthodontic force to the teeth, the orthodontic part is also set to have the function of a traditional bracket. The arch wire can pass through the channel and be fixed on the correction part.

Wherein, the correction part and the accessory accommodating part cooperate with each other to complete the corresponding correction effect, and the outer contour of the correction part and the outer contour of an accessory capable of cooperating with the accessory accommodating part for tooth correction The relationship between the correction part can be described, wherein the outer contour of the orthodontic part can be matched with the outer contour of the accessory for tooth correction, so as to achieve the same correction effect as the accessory; it can also be the outer contour of the correction part and the outer contour of the accessory. A part of the outer contour of the accessory is anastomosed, and the anastomosed part interacts with the shell-shaped dental appliance to generate a corresponding corrective force; it can also be that the outer contour of the orthodontic part matches the outer contour of the accessory to make The auxiliary orthodontic device also has substantially the same orthodontic effect as the accessory. For example, the accessory is a rectangular accessory whose outer contour coincides with the outer contour of the orthodontic part, and the rectangular accessory and the shell-shaped dental appliance interact with each other. In addition to the effect, the orthodontic part can also interact with the shell-shaped dental appliance to produce a retention effect. Therefore, the orthodontic effect of the orthodontic part and the accessory is similar or substantially the same; it can also be the orthodontic part. The outer contour is consistent with a part of the outer contour of the accessory, so that the auxiliary orthodontic device also has the same orthodontic effect as the accessory. For example, the accessory is a rectangular accessory and interacts with a shell-shaped dental appliance. The corrective effect is only one of the surfaces, and the auxiliary corrective device has the same surface as the accessory that can produce the corresponding corrective effect, but the other parts are different from the outer contour of the accessory, and the same corrective effect can also be achieved. The accessory accommodating part on the shell-shaped dental instrument is used to accommodate the auxiliary orthodontic device and enable the auxiliary orthodontic device to be used in conjunction with the shell-shaped dental instrument. The cooperative use may include the following two situations, one situation It is the function of the auxiliary orthodontic device as an accessory that cooperates with the above-mentioned accessory accommodating part on the shell-shaped dental instrument to produce the corrective force; the other case is that the auxiliary orthodontic device cooperates with the aforementioned accessory accommodating part on the shell-shaped dental instrument but does not produce correction The role of the auxiliary orthodontic device as an accessory is only the retention of the orthodontic appliance.

The fastener is an arch wire or other component that can fasten two or more adjacent auxiliary orthodontic devices, usually in the shape of a wire or a strip.

In order for the auxiliary orthodontic device to cooperate with the fasteners to achieve effective and uniform orthodontic force and complete the orthodontic effect on the teeth, the passage on the orthodontic part of the auxiliary orthodontic device does not intersect with the reference part. If the passage intersects the reference part, It will cause fasteners (such as arch wires) to contact the tooth surface when passing through the channel, causing the tooth surface to be worn and directly subjected to the corrective force exerted by the arch wire, and the taste discomfort will increase. There will be channel perforations or grooves on the part, which reduces the contact area between the reference part and the tooth surface and reduces the firmness of the auxiliary orthodontic device.

In the preferred structure of the auxiliary orthodontic device, the channel is a built-in perforation provided in the meso-distal direction in the correction part and/or a groove provided in the mesio-distal direction on the outer surface of the correction part.

Please refer to FIG. 1a and FIG. 1b, which show a structure of the auxiliary orthodontic device 100. The auxiliary orthodontic device 100 includes a reference part 101. The reference part 101 is a surface close to the surface of the tooth and can be bonded to the tooth surface; the part except the reference part 101 is called the correction part 102. The shape of the correction part 102 It is a shape of a conventional accessory used in conjunction with an invisible appliance, which can be accommodated or partially accommodated in a corresponding accessory accommodating part on a shell-shaped dental instrument, so as to realize the coordinated use of the auxiliary orthodontic device and the shell-shaped dental appliance. The orthodontic part 102 is provided with a built-in perforation 103 along the mesio-distal direction near the center of the clinical dental crown. The built-in perforation 103 allows a fastener such as an archwire to pass through and can fix the archwire on the auxiliary orthodontic device 100. The built-in through hole 103 does not intersect the reference part 101. Through the arrangement of the built-in perforation 103, the arch wire can be set on the auxiliary orthodontic device 100 and can apply orthodontic force to the teeth.

Fig. 2 shows another structure of the auxiliary orthodontic device 200 with built-in perforations. Its outline is different from that shown in Figure 1, and it is roughly rectangular parallelepiped.

The outer contours of the auxiliary orthodontic devices in Fig. 1a, Fig. 1b and Fig. 2 are that the height along the long axis of the tooth is greater than the width along the mesiodistal direction of the tooth, which can be called a vertical attachment. Since Figure 1a, Figure 1b and Figure 2 all choose the channel to be set as the built-in perforation, so choose a relatively small width along the mesiodistal direction and a relatively long length along the long axis of the tooth, which can facilitate the processing and manufacturing of the built-in perforation and the bow The threading of silk. The auxiliary orthodontic device of the above-mentioned structure can be made of ceramic or metal materials, and the position of the vertical attachment can be the anterior tooth area or the posterior tooth area. It can be adaptively added according to the specific orthodontic scheme, and it is preferably set in the anterior tooth area, which is more suitable. For teeth with a relatively long length along the long axis of the tooth.

Among them, the "posterior tooth area" is defined according to the classification of teeth in pages 36-38 of "Introduction to Stomatology" published by Peking University Medical Press, including premolars and molars, which are shown as 4- For the 8 teeth, the FDI marking method in the anterior region shows the teeth 1-3. The anterior area of the shell-shaped dental appliance can be used to accommodate the central incisor, lateral incisor and canine of the maxillary or mandibular teeth, and the posterior area of the shell-shaped dental appliance can be used to accommodate the first premolar and the first premolar of the upper or Two premolars, first molars, second molars and third molars.

Fig. 3 shows an auxiliary orthodontic device 300 of another structure, in which the channel is selectively arranged on the side of the auxiliary orthodontic device and is a groove 304 along the mesio-distal direction. In addition, since the groove 304 is open, it is easy to process and facilitate the penetration of the arch wire. The outer contour of the auxiliary orthodontic device 300 has a height along the long axis of the tooth smaller than the width along the mesial and distal direction of the tooth, which can be called a horizontal attachment. Therefore, the width of the auxiliary orthodontic device along the mesiodistal horizontal direction can be set to be relatively wide, so that it is suitable for setting on the molars of the posterior teeth and other teeth that are wider in the mesiodistal direction. After the auxiliary orthodontic device is pasted on the tooth, the area in contact with the archwire in the mesial and distal direction is larger, which is more conducive to the mutual action of the two to provide orthodontic force. The auxiliary orthodontic device of the above-mentioned structure can be made of ceramic or metal materials, and the position of the horizontal attachment can be the anterior tooth area or the posterior tooth area, and it can be adaptively added according to the specific orthodontic scheme, and it is preferably arranged in the posterior tooth area.

Figures 4a-9b show several different structures of auxiliary orthodontic devices, in which the channels are selected as built-in perforations and grooves in the mesio-distal direction that are provided at the same time. The advantage of setting built-in perforations and grooves at the same time is that, firstly, one or more arch wires can be fixed, and more correction force application schemes can be provided according to the actual correction needs. Secondly, the arch wires can be perforated in the built-in according to the correction needs when the arch wires are fixed. Or choose a more appropriate fixed position in the groove to pass the archwire to achieve the purpose of correction.

Among them, the built-in perforations and grooves may not be arranged on the same horizontal plane, as shown in Figure 4a, Figure 4b, Figure 5a, Figure 5b, Figure 6a, Figure 6b, Figure 8a, Figure 8b, Figure 9a, Figure 9b, or the built-in perforations and grooves The grooves can also be arranged on the same horizontal plane, as shown in Fig. 7 for example.

In one embodiment, the built-in perforations and grooves are staggered, that is, they are not on the same horizontal plane, so that the thickness of the auxiliary orthodontic device along the lip/buccal-lingual direction can be relatively thin, thereby reducing the foreign body sensation worn by the patient.

In order to obtain a better correction force distribution and a suitable strength of the auxiliary correction device, when the channel includes a built-in perforation, it is preferable that the distance between the built-in perforation and the reference part is not greater than the built-in perforation and the correction The distance between the outer surfaces of the parts.

Taking Figure 4b as an example, the distance between the built-in perforation 403 and the reference portion 401 is the distance between the point closest to the reference portion 401 on the left side of the built-in perforation 403 and the surface of the closest reference portion 401, marked as a; The distance between the built-in perforation 403 and the adjacent lip/buccal side or the lingual surface of the correction part 402 (also called the outer surface of the correction part) is the distance between the right side of the built-in perforation 403 and the reference part 401 The distance between the distal point and the adjacent lip/buccal or lingual side of the auxiliary orthodontic device is marked as b. At this time, a≤b. In one embodiment, a=b. This is because when a>b (the left and right orientations are shown in Figure 1a, Figure 1b, Figure 2, Figure 4a-9b in the left and right examples), when the archwire is inserted to apply the correction force, the archwire and The distance between the teeth is large, and the force is prone to deviation. In addition, if b is too small, it will cause damage to the right side of the auxiliary orthodontic device when the force is too large. Therefore, the best position for the design of the built-in perforation is the lip/buccal-lingual cross-sectional view. At or near the center.

In order to optimize the corrective force solution and better ensure the strength of the auxiliary orthodontic device, when the auxiliary orthodontic device is provided with the built-in perforation and the groove at the same time, the position of the built-in perforation is smaller than that of the groove. The set position is closer to the reference portion, and specifically may be that the central axis of the built-in perforation is closer to the reference portion than the center line of the groove. On the one hand, it is more convenient when the arch wire is inserted through the groove, and on the other hand, the force is more precise when the arch wire is inserted through the built-in perforation.

The cross-sectional shape of the built-in perforation on the auxiliary orthodontic device is selected to be a shape suitable for arch wire penetration. For example, the cross-section of the built-in perforation along the lip/buccal-lingual direction is circular, semicircular, elliptical, or semicircular. One of an ellipse, a polygon, or a combination of the foregoing shapes. The combination of the foregoing shapes refers to a combined shape formed by two or more shapes, for example, a combination of a semicircle and a rectangle. In Figures 1a-2, 4a-9b, the built-in perforations provided on the auxiliary orthodontic device are all circular. Of course, the other shapes or combinations of shapes can also achieve the same or similar technical effects, which will not be repeated here. .

In order to achieve a balance between the strength of the auxiliary correction device and the wearing comfort, when the cross-section of the built-in perforation along the lip/buccal-lingual direction is circular, the diameter of the cross-section is 0.25mm-0.78mm, which is converted into a numerical range of inches When the cross section of the built-in perforation along the lip/buccal-lingual direction is square/rectangular/regular hexagon, the side length dimension of the cross section is 0.40-0.72 mm. It can be selected according to the needs of the fasteners that pass through, such as the size of the diameter of the arch wire. There are many types of orthodontic arch wires: from the thickness of the round wire to (unit: inch) 0.012, 0.014, 0.016, 0.018 and 0.020. The common thickness of square wire mainly includes the following (unit: inch): 0.016*0.016, 0.017*0.022, 0.017*0.025, 0.018*0.025, 0.019*0.025, 0.0215*0.028. From the arch wire material: stainless steel wire and nickel titanium wire are commonly used. According to the difference in performance, nickel-titanium wire can be divided into ordinary nickel-titanium wire and heat-activated nickel-titanium wire, and there is also a β-titanium wire. From the cross-sectional shape of the arch wire: round wire (circular in cross-section), square wire (rectangular or square in cross-section), twisted wire (made by twisting multiple arch wires together, like a twist). The properties of arch wires produced by different manufacturers are not the same. The performance of stainless steel wire is better with imported ones, especially square wire.

The cross-sectional shape of the groove on the auxiliary orthodontic device is selected to be a shape suitable for the penetration of the archwire, for example, the cross-section of the groove along the lip/buccal-lingual direction is circular, semi-circular, or elliptical. , A semi-elliptical arc, a polygon, or a combination of the above shapes, the combination of the above shapes refers to a combined shape formed by two or more shapes. As shown in Figure 3, the grooves are arranged in a semicircular section on the side adjacent to the reference part, and a rectangular section on the lip/buccal-lingual side. The purpose is to set the section adjacent to the reference part to a semicircle. The circular shape can be closer to the contour of the arch wire, and the cross-section near the lip/buccal-lingual side is set to be rectangular in order to facilitate the penetration of the arch wire. In addition, in order to prevent the archwire from slipping out after penetrating into the groove, an anti-dropping structure can also be provided, as shown in Figures 10a and 10b. The anti-dropping structure shown here is a combined structure consisting of a rectangular 10a and a similar semicircular structure 10b. , The cross section on the side close to the reference part is set to be rectangular, and the section close to the lip/buccal-lingual side is set to be similar to a semicircular structure. The arch wire enters the rectangular structure from the semicircular structure, and the position is relatively stable, due to the place where the two are connected There will be bending, the arch wire is not easy to slip out of the rectangular structure after being inserted, and the tight connection between the auxiliary orthodontic device and the fastener is increased, so as to achieve a better orthodontic effect. The shape of the groove in Figures 4a-9b is a circular arc or a semicircular arc, and its shape can match the arch wire with a circular diameter, which can facilitate the installation and disassembly of the arch wire.

In an implementation structure, when the auxiliary correction device is provided with the built-in perforation and the groove at the same time, the center of the section of the built-in perforation along the lip/buccal-lingual direction and the groove along the lip/buccal-lingual The central line of the lateral cross-section is not perpendicular to the long axis of the tooth fixed by the auxiliary orthodontic device. As shown in Fig. 6b, the cross-sectional center line c between the built-in perforation 603 and the groove 604 of the auxiliary orthodontic device 600 is not perpendicular to the long axis d of the tooth. Specifically, the included angle between the two lines is denoted as α, and the included angle α is preferably an acute angle, more preferably 30°-60°. Other examples include the angle α shown in Figure 9b. When the line c between the cross-sectional center of the built-in perforation along the lip/buccal-lingual direction and the cross-sectional center of the groove along the lip/buccal-lingual direction is perpendicular to the long axis d of the tooth fixed by the auxiliary orthodontic device, It is the structure shown in Figure 7. In order to arrange the built-in perforations and grooves in the thickness direction of the lip/buccal lingual side at the same time, the thickness of the auxiliary correction device needs to be large enough, which will cause the thickness of the auxiliary correction device to be too large and affect The comfort of the patient.

In the correction part of the auxiliary correction device, the number of the built-in perforations and/or the grooves is at least one, that is, one or more of the built-in perforations may be provided, and the grooves may be provided one or more. When there are multiple built-in perforations or grooves, on the one hand, you can choose different positions of the built-in perforations, or the different positions of the grooves, or the different positions of the built-in perforations and grooves according to the specific orthodontic needs, on the other hand, , According to the actual correction needs, multiple arch wires can be set at the same time for different options.

In the auxiliary orthodontic device, the reference portion is a flat structure or a curved structure that is attached to the surface of the tooth. When the reference part has a planar structure, the built-in perforation and/or the groove and the reference part are arranged in parallel along the mesio-distal direction. When the reference portion is a curved structure that fits the tooth surface, the curvature of the reference portion is consistent with the curvature of the built-in perforation and/or the groove in the mesio-distal direction, as shown in Figure 11a , The curvature of the reference part 1301 coincides with the curvature of the groove 1304 in the mesio-distal direction; as shown in FIG. In the structure of the auxiliary orthodontic device shown in Figs. 1a-9b, the reference parts 201 and 301 in Figs. The bending radian can be selected as various suitable radians, which are not limited in this application.

In some preferred structures, the reference part of the auxiliary orthodontic device is also provided with a friction-increasing surface structure on the side adjacent to the tooth, such as the convex point structure 908 shown in FIGS. 9a and 9b, so that the auxiliary orthodontic The stability of the device after contacting or pasting the tooth is better, and it is not easy to fall off the tooth after pasting, so as to avoid subsequent repair and pasting to damage the surface of the tooth again.

In order to achieve a balance between the strength of the auxiliary correction device and the wearing comfort, in the lateral section of the auxiliary correction device along the lip/buccal tongue, the length of the auxiliary correction device excluding the channel is 0.2mm-4.0mm. That is to say, the built-in perforation setting or groove setting is provided in the auxiliary correction device, in order to prevent the auxiliary correction device from reducing the stability of the auxiliary correction device due to the opening or groove setting, so as to ensure the length of the auxiliary correction device except for the channel. It is to ensure that the auxiliary orthodontic device needs to be provided with a certain thickness in the lip/buccal-lingual lateral direction to ensure that the interaction between the auxiliary orthodontic device and the fastener produces a corresponding orthodontic effect.

In an implementation structure, the contour of the lower end surface (the lower end surface shown in the orientation shown in the figure) of the auxiliary orthodontic device adjacent to the gum line to the side of the occlusal surface (the upper end surface shown in the orientation shown in the figure) is a smooth transition The inclined curved surface is shown in Fig. 9a, Fig. 9b, Fig. 6a, Fig. 6b, Fig. 5a, Fig. 5b, Fig. 1a, and Fig. The structure of the inclined curved surface makes it easy to remove and put on the shell-shaped dental appliance matched with the auxiliary orthodontic device.

In an implementation structure, the auxiliary orthodontic device is further provided with an auxiliary accommodating part for accommodating auxiliary orthodontics on the side adjacent to the occlusal surface and/or on the side adjacent to the gum line. A recessed receiving groove may be provided on the side adjacent to the occlusal surface and the side adjacent to the gum line, and the receiving grooves may be arranged symmetrically. The auxiliary orthodontic device shown in Figure 1a-9b is provided with a recess on the side adjacent to the occlusal surface (the upper end surface in the figure) and/or the side adjacent to the gum line (the lower end surface in the figure) Containing slots, respectively marked as 106, 107, 206, 207, 306, 307, 406, 407, 506, 507, 606, 607, 706, 707, 806, 807, 906, 907, the two containing slots are mirror symmetry or Asymmetry. Auxiliary fasteners such as rubber chains and ligature rings can assist in fastening two adjacent auxiliary orthodontic devices into one body, and they are placed on the lip/buccal-lingual side, which can hold the archwire passing in the mesial and distal directions. The lip/buccal and tongue are relatively fixed laterally, and can be used when multiple teeth are required to be fastened together as a whole anchor.

Referring to Figures 12 and 13, this embodiment also provides a shell-shaped dental appliance 1000, which is used to cooperate with the auxiliary orthodontic device 12 arranged on the patient’s teeth to achieve the goal of correction. The shell-shaped dental appliance 1000 is At least two accessory accommodating parts 1001 for accommodating any of the above-mentioned auxiliary orthodontic devices are provided. On the shell-shaped dental appliance 1000 shown in FIG. 12, three accessory accommodating parts 1001 are provided. In addition, the number of accessory accommodating parts can also be any other suitable number and position. The shell-shaped dental appliance 1000 is further provided with a communicating portion 1002 between the adjacent accessory accommodating portions 1001 that communicates with the adjacent accessory accommodating portion 1000 and accommodating the fastener 13, such as an arch wire, The adjacent accessory accommodating portion 1000 and the communicating portion 1002 are connected to each other. In FIG. 12, two communication parts 1002 are provided. The shell-shaped dental appliance 1000 provided in this embodiment can also be used to cooperate with the auxiliary orthodontic device 12 set on the dental jaw model to realize the realization of the simulation treatment goal, wherein the auxiliary appliance 12 and the shell-shaped dental appliance 1000 The treatment effect produced by the interaction simulates the movement of the teeth on the dental model to the target treatment position, so as to realize the realization of part of the simulation treatment plan. For example, when simulating the translation of teeth on the dental model, when the tooth model on the dental model is moved from the starting point to the stage target position, the shell-shaped dental appliance 1000 is used to cooperate with the auxiliary orthodontic device 12 set on the dental model accomplish.

In one embodiment, when there are multiple accessory accommodating portions 1001, both ends of the communication space formed by the accessory accommodating portion 1001 and the communicating portion 1002 are also provided to accommodate and assist in fixing the fasteners. The auxiliary fastening part. This is because the fasteners (such as arch wires) run through the auxiliary orthodontic device, which can be relatively fixed in the cheek-lingual direction, but not easy to fix in the mesio-distal direction. Therefore, the fixing method used in the mesio-distal direction can be as follows As shown in Fig. 13a, the two ends of the arch wire are bent to prevent the relative sliding of the arch wire in the mesio-distal direction. The auxiliary fastening part is the space 1003 on the shell-shaped dental appliance that accommodates the bent arch wire. Or, another auxiliary fastening part is shown in Figure 13b. The way to fix the arch wire in the mesio-distal direction is to not bend the free ends of the arch wire after passing through the auxiliary orthodontic device. Treatment, using the friction relationship between the archwire and the channel on the auxiliary orthodontic device to fix the relative position, such as the inner surface of the built-in perforation provided on the auxiliary orthodontic device and the structure that can increase the friction on the outer surface of the archwire , Such as frosted structure or convex structure, etc., increase the friction between the inner surface of the built-in perforation and the outer surface of the arch wire, and realize the fixation in the mesio-distal direction. The free ends on both sides of the arch wire protrude from the part of the auxiliary correction device. The two ends of the communication space formed by the corresponding second accommodating space and the third accommodating space have auxiliary fastening parts 1004 for assisting the fixing of the fasteners, and can accommodate the protruding arch wires.

In the shell-shaped dental appliance, the cross section of the communicating portion 1002 along the lip/buccal-lingual direction is one of a circular arc shape, an elliptical arc shape, or a polygonal shape. The communicating portion 1002 is used to accommodate the arch wire, and its shape can be selected to be consistent with the arch wire, and its cross-sectional size can be selected to be larger or slightly larger than the arch wire.

In the shell-shaped dental appliance, the side of the accessory accommodating portion adjacent to the auxiliary orthodontic device cooperates with the outer surface of the auxiliary orthodontic device to produce an orthodontic effect, so as to better realize the accommodation and mutual cooperation. , So as to achieve the corrective effect.

In the process of invisible orthodontic treatment, conventional accessories are usually needed to assist in the treatment. Therefore, the shell-shaped dental appliance is also provided with one or more second accessory accommodating parts for accommodating conventional orthodontic accessories (in the figure) (Not shown), the settings of specific orthodontic routine accessories can be set accordingly according to actual orthodontic needs.

The embodiments of the present application also provide an orthodontic set. Figures 14 and 15 respectively show an orthodontic set. The orthodontic set shown in Figure 14 includes a set for wearing on the first dentition and The first shell-shaped dental appliance 1101 and the second shell-shaped dental appliance 1102 of the opposing dentition. The orthodontic set shown in FIG. Shell-shaped dental appliances 1201 and second shell-shaped dental appliances 1202; wherein, the first shell-shaped dental appliances 1101, 1201 are any of the above-mentioned shell-shaped dental appliances. The first shell-shaped dental appliance can be worn on the upper jaw or the lower jaw. When the first shell-shaped dental appliance is worn on the upper teeth, the second shell-shaped dental appliance is worn on the opposite jaw, that is, the lower jaw. superior. In addition, the second shell-shaped dental appliance 1102 shown in FIG. 14 includes a cavity structure for accommodating the opposite-jaw dentition.

In the orthodontic set shown in FIG. 15, the second shell-shaped dental appliance 1202 is also any of the above-mentioned shell-shaped dental appliances. The second shell-shaped dental appliance 1202 can be worn on the upper jaw or the lower jaw. When the second shell-shaped dental appliance is worn on the upper jaw, the first shell-shaped dental appliance 1201 is worn on the opposite jaw, that is, the upper teeth. .

It should be noted that the above embodiments can be freely combined as required. The above are only alternative implementations of this application. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of this application, several improvements and modifications can be made, and these improvements and modifications are also Should be regarded as the scope of protection of this application.

Claims (34)

1. An auxiliary orthodontic device is used for cooperating with a shell-shaped dental instrument to perform tooth orthodontics, so that the teeth gradually change from an initial position to a target orthodontic position, wherein the shell-shaped dental instrument is provided with an accessory accommodating part, and the auxiliary orthodontic device include:

   A reference part that can be fixed to the surface of the tooth, and

   An orthodontic part extending from the reference part to the side away from the tooth surface and used in conjunction with the shell-shaped dental instrument, wherein:

   The correction part is at least partially accommodated in the accessory accommodating part provided corresponding to the correction part, and,

   The orthodontic part is provided with at least one channel through which the fastener can pass and can fix the fastener. The contours are at least partially anastomosed, so that the auxiliary orthodontic device also has substantially the same orthodontic effect as the accessory.
2. The auxiliary orthodontic device according to claim 1, wherein the channel does not intersect with the reference part.
3. The auxiliary orthodontic device according to claim 1 or 2, wherein the channel is a built-in perforation provided along the mesio-distal direction in the correction part and/or the outer surface of the correction part is provided in the mesio-distal direction. Groove.
4. The auxiliary orthodontic device according to claim 3, wherein when the channel includes a built-in perforation, the distance between the built-in perforation and the reference part is not greater than the distance between the built-in perforation and the outer surface of the correction part distance.
5. The auxiliary orthodontic device according to claim 4, wherein the position of the built-in perforation is at or near the center of the lip/buccal-lingual cross-sectional surface; when the auxiliary orthodontic device is provided with the built-in perforation and In the groove, the position where the built-in perforation is arranged is closer to the reference part than the position where the groove is arranged.
6. The auxiliary orthodontic device according to claim 3, wherein when the channel of the auxiliary orthodontic device is only a built-in perforation or groove provided separately, the width of the auxiliary orthodontic device provided with the built-in perforation in the mesio-distal direction is smaller than that of the channel. The width of the auxiliary correcting device of the groove in the mesio-distal direction.
7. The auxiliary orthodontic device according to claim 3, wherein the cross-section of the built-in perforation along the lip/buccal-lingual direction is one of a circle, a semicircle, an ellipse, a semiellipse, and a polygon, or any of the above shapes One of the combinations.
8. The auxiliary orthodontic device according to claim 7, wherein when the cross-section of the built-in perforation along the lip/buccal-lingual direction is circular, the diameter of the cross-section is 0.25mm-0.78mm; the built-in perforation runs along the lip/ When the buccal-lingual cross-section is square/rectangular/regular hexagon, the side length of the cross-section is 0.40-0.72 mm.
9. The auxiliary orthodontic device according to claim 3, wherein the cross section of the groove along the lip/buccal-lingual direction is one of a circular arc, a semicircular arc, an elliptical arc, a semielliptical arc, and a polygon. One of the combinations of the above shapes.
10. The auxiliary orthodontic device according to claim 9, wherein the cross-section of the groove along the lip/buccal-lingual side is: the cross-section on the side adjacent to the reference part is set in a semicircular shape, and the cross-section on the side adjacent to the lip/buccal-lingual Set to rectangle.
11. The auxiliary orthodontic device according to claim 3, wherein when the auxiliary orthodontic device is provided with the built-in perforation and the groove at the same time, the center of the cross-section of the built-in perforation along the lip/buccal-lingual direction and the The groove is connected with the center of the cross section along the lip/buccal-lingual side, and is not perpendicular to the long axis of the tooth fixed by the auxiliary orthodontic device.
12. The auxiliary orthodontic device according to claim 11, wherein the cross-sectional center of the built-in perforation along the lip/buccal-lingual direction is connected with the cross-sectional center of the groove along the lip/buccal-lingual direction, and is connected to the auxiliary treatment The angle α formed by the long axis of the tooth fixed by the device is an acute angle.
13. The auxiliary orthodontic device according to claim 12, wherein the cross-sectional center of the built-in perforation along the lip/buccal-lingual direction is connected to the cross-sectional center of the groove along the lip/buccal-lingual direction, and is connected to the auxiliary orthodontic The angle α formed by the long axis of the tooth fixed by the device is 30°-60°.
14. The auxiliary orthodontic device according to claim 3, wherein the number of each of the built-in perforations and/or the grooves is at least one.
15. The auxiliary orthodontic device according to claim 1, wherein the reference portion is a flat structure or a curved structure that is attached to the surface of the tooth.
16. The auxiliary orthodontic device according to claim 15, wherein when the reference portion is a planar structure, the built-in perforation and/or the groove and the reference portion are arranged in parallel along the mesio-distal direction.
17. The auxiliary orthodontic device according to claim 15, wherein when the reference portion is a curved structure that fits the surface of the tooth, the curvature of the reference portion is close to the built-in perforation and/or the groove. The curved arc in the distal direction coincides.
18. The auxiliary orthodontic device according to claim 15, wherein the reference part is further provided with a surface structure to increase friction on the side adjacent to the tooth.
19. The auxiliary orthodontic device according to claim 1, wherein, in the lateral cross-section of the auxiliary orthodontic device along the lip/buccal tongue, the length of the auxiliary orthodontic device excluding the channel is 0.2mm-4.0mm.
20. The auxiliary orthodontic device according to claim 1, wherein the contour of the lower end of the auxiliary orthodontic device on the side adjacent to the gum line facing the occlusal surface is a smoothly transitioned inclined curved surface.
21. The auxiliary orthodontic device according to claim 1, wherein the outer contour of the orthodontic part is at least partially coincident with the outer contour of an accessory capable of cooperating with the accessory accommodating part for orthodontic treatment, so that the auxiliary orthodontic device It also has the same corrective effect as the accessory.
22. The auxiliary orthodontic device according to claim 1, wherein the outer contour of the orthodontic part coincides with the outer contour of an accessory capable of cooperating with the accessory accommodating part for orthodontic treatment, so that the auxiliary orthodontic device also has Basically the same corrective effect as the accessory.
23. The auxiliary orthodontic device according to claim 1, wherein the outer contour of the orthodontic part coincides with the outer contour of an accessory capable of cooperating with the accessory accommodating part for orthodontic treatment, so that the auxiliary orthodontic device also has The same corrective effect as the accessory.
24. The auxiliary orthodontic device according to any one of claims 1 to 23, wherein the auxiliary orthodontic device is further provided with an auxiliary accommodating part for accommodating auxiliary orthodontics on a side adjacent to the occlusal surface and/or adjacent to the gum line.
25. The auxiliary orthodontic device according to claim 24, wherein the auxiliary accommodating portion is a accommodating groove recessed toward the center of the auxiliary orthodontic device.
26. The auxiliary orthodontic device according to claim 25, wherein the receiving groove is provided on a side adjacent to the occlusal surface and a side adjacent to the gum line, and is symmetrically arranged.
27. A shell-shaped dental appliance, wherein the shell-shaped dental appliance is provided with at least two accessory accommodating parts for accommodating the auxiliary orthodontic device according to any one of claims 1-26, and The shell-shaped dental appliance is further provided with a communication part communicating with the adjacent accessory accommodating part and accommodating the fastener between the adjacent accessory accommodating parts, and the adjacent accessory accommodating parts It is connected with the communication part.
28. The shell-shaped dental appliance according to claim 27, wherein when a plurality of accessory accommodating parts are provided, both ends of the communication space formed by the accessory accommodating part and the communicating part are also provided with accommodating and auxiliary The auxiliary fastening part fixed by the fastener.
29. The shell-shaped dental appliance according to claim 27, wherein the cross section of the communicating portion along the lip/buccal-lingual direction is one of a circular arc shape, an elliptical arc shape, or a polygonal shape.
30. 27. The shell-shaped dental appliance according to claim 27, wherein a side of the accessory accommodating portion adjacent to the auxiliary treatment device cooperates with the outer surface of the auxiliary treatment device to produce a treatment effect.
31. The shell-shaped dental appliance according to claim 27, wherein the shell-shaped dental appliance is further provided with a second accessory accommodating part for accommodating the orthodontic accessory.
32. An orthodontic set, comprising a first shell-shaped dental appliance for wearing on a first dentition and a second shell-shaped dental appliance for the antagonist dentition, wherein the first shell-shaped dental appliance It is a shell-shaped dental appliance according to any one of claims 27-31.
33. The orthodontic set according to claim 32, wherein the second shell-shaped dental appliance includes a cavity structure for accommodating the opposing dentition.
34. The dental treatment kit according to claim 32, wherein the second shell-shaped dental appliance is the shell-shaped dental appliance according to any one of claims 27-31.

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