KR102680037B1 - Clear Aligner - Google Patents

Abstract

One embodiment of the present invention is a transparent orthodontic body configured to accommodate a tooth to be corrected in order to move the tooth from an initial position to a target position, and an opening formed on the transparent orthodontic body to at least partially expose the tooth. The transparent orthodontic body includes a boundary that defines the open portion, and the boundary decreases in thickness as it approaches the open portion. Provides a device.

Description

Clear aligner device {Clear Aligner}

The present invention relates to a transparent aligner device.

Orthodontics is a treatment performed to treat irregular tooth alignment or abnormal meshing of the upper and lower jaw. Existing orthodontic treatment was carried out by attaching orthodontic brackets made of materials harmless to the living body to the teeth and applying the force of the orthodontic wire to the brackets to resolve dental malocclusion. In the case of existing orthodontic treatment using brackets and wires, the treatment is performed with the brackets and wires fixed to the teeth, so it is not aesthetically pleasing and problems with oral cleanliness may occur.

In order to overcome these shortcomings, many new orthodontic practices using transparent aligners have recently been conducted around the world. Transparent aligners do not use brackets or wires but instead use transparent polymer materials, so they are aesthetically superior and can be removed when necessary, making them effective in maintaining oral hygiene. In addition, transparent aligners have relatively little foreign body sensation, allowing patients to comfortably receive orthodontic treatment.

Korean Patent Publication No. 10-1510857 (2015.04.03)

Since clear aligners cover the entire occlusal surface to straighten teeth, the posterior teeth may touch first during occlusion while wearing clear aligners. In other words, if the posterior teeth come into early contact due to the clear orthodontic device during occlusion, a force that compresses the posterior teeth may be generated, and if this force is continuously applied, it can cause strain on the temporomandibular joint and cause negative results.

The present invention is intended to solve the problems of the prior art described above, and the purpose of the present invention is to provide a transparent orthodontic device that can prevent premature contact of teeth, including posterior teeth, during occlusion.

In order to achieve the above object, one aspect of the present invention is a transparent orthodontic body configured to accommodate a tooth to be corrected in order to move the tooth to be corrected from an initial position to a target position, and formed on the transparent orthodontic body, wherein the tooth It includes an opening that at least partially exposes the opening, and the opening is formed in an occlusal area with opposing teeth during occlusion. The clear orthodontic body includes a boundary defining the opening, and the boundary is close to the opening. Provided is a transparent aligner device whose thickness decreases as time increases.

In one embodiment of the present invention, with respect to the direction of movement of the teeth to be corrected, the feature further includes a strength reinforcement portion formed on the outer surface of the transparent correction body located on a distal side from the direction of movement to reinforce the correction force. It may be a transparent corrective device.

In one embodiment of the present invention, the strength reinforcement part may be a transparent orthodontic device, characterized in that it is formed on the outer surface of the transparent orthodontic body where the opening part is formed.

In one embodiment of the present invention, the strength reinforcement portion is formed in a tapered, knife edge, or wedge shape at the boundary with the outer surface of the transparent correction body. It could be a device.

In one embodiment of the present invention, in the case of an expansion case, the strength reinforcement part may be a transparent aligner device, characterized in that it is formed on the outer surface of the lingual side of the transparent aligner body.

In one embodiment of the present invention, in the case of a retraction case, the strength reinforcement portion may be a transparent orthodontic device, characterized in that it is formed on the outer surface of the buccal side of the transparent orthodontic body.

In one embodiment of the present invention, in the case of an extrusion case, the strength reinforcement portion is formed on the outer surface of the transparent orthodontic body located on the proximal side from the tooth root based on the maximum ridge line of the tooth. , It may be a transparent aligner device.

In one embodiment of the present invention, in the case of an intrusion case, the strength reinforcement portion is formed on the outer surface of the transparent orthodontic body located on the distal side from the tooth root based on the maximum ridge line of the tooth. , It may be a transparent aligner device.

In one embodiment of the present invention, in the case of a rotation case, the strength reinforcement part is formed by setting the four quadrants based on the groove line formed on the occlusal surface of the tooth, and the transparent parts are located diagonally to each other. It may be a transparent orthodontic device, characterized in that it is formed on the outer surface of the orthodontic body.

In one embodiment of the present invention, in the case of an angulation case, the strength reinforcement portion is located on the outer surface of the mesial side of the transparent orthodontic body in one direction based on the maximum ridge line of the tooth, and of the tooth. It may be a transparent orthodontic device, characterized in that it is formed on the outer surface of the distal side of the transparent orthodontic body located in the other direction based on the maximum ridge line.

In one embodiment of the present invention, in the case of a torque control case, the strength reinforcement unit is located on the outer surface of the lingual side of the transparent correction body and the teeth located in one direction based on the maximum ridge line of the teeth. It may be a transparent orthodontic device, characterized in that it is formed on the outer surface of the buccal side of the transparent orthodontic body located in the other direction based on the maximum ridge line.

According to one aspect of the present invention, the transparent orthodontic device of the present invention includes an open portion and can prevent premature contact of teeth, including posterior teeth, during occlusion.

In addition, the clear aligner device of the present invention includes an opening, so that it can be easily confirmed whether the clear aligner device is worn in the correct position.

In addition, the transparent orthodontic device of the present invention can supplement the correction force that may be reduced by forming an open portion by further including a strength reinforcement portion.

The effects of the present invention are not limited to the effects described above, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

Figure 1(a) is a plan view of a clear aligner device according to an embodiment of the present invention, and Figure 1(b) is a cross-sectional view taken along line AA' of Figure 1(a).
Figure 2(a) shows an upper jaw tooth model with an occlusal area displayed according to an embodiment of the present invention, and Figure 2(b) shows a lower tooth model with an occlusal area displayed according to an embodiment of the present invention.
Figure 3 is a diagram showing the occlusion between the maxillary teeth and the mandibular teeth when the transparent aligner device including an opening according to an embodiment of the present invention is mounted on the teeth.
Figure 4 is a view showing the occlusion between the upper and lower teeth when the transparent orthodontic device including the strength reinforcement according to an embodiment of the present invention is mounted on the teeth.
Figure 5 shows the application area of the strength reinforcement according to the expansion case according to an embodiment of the present invention.
Figure 6 shows the application area of the strength reinforcement according to the retraction case according to an embodiment of the present invention.
Figure 7 shows the application area of the strength reinforcement according to the crystallization case according to an embodiment of the present invention.
Figure 8 shows the application area of the strength reinforcement according to the embedded case according to an embodiment of the present invention.
Figure 9 shows the application area of the strength reinforcement according to the rotation case according to an embodiment of the present invention.
Figure 10 shows the application area of the strength reinforcement according to the angulation case according to an embodiment of the present invention.
Figure 11 shows the application area of the strength reinforcement according to the torque control case according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the attached drawings. However, the present invention may be implemented in various different forms and, therefore, is not limited to the embodiments described herein. In order to clearly explain the present invention in the drawings, parts that are not related to the description are omitted, and similar parts are given similar reference numerals throughout the specification.

Throughout the specification, when a part is said to be “connected” to another part, this includes not only cases where it is “directly connected,” but also cases where it is “indirectly connected” with another member in between. . Additionally, when a part is said to “include” a certain component, this does not mean that other components are excluded, but that other components can be added, unless specifically stated to the contrary.

Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings.

Dental orthodontic treatment includes fixed orthodontic treatment in which brackets made of hard materials such as metal, resin, and ceramic are attached to the teeth and correction is performed by the elasticity of the wire, and removable orthodontic treatment using orthodontic devices that are easy to attach and detach and have elasticity. There is. In particular, the transparent orthodontic method, which is one of the removable orthodontic methods, covers the teeth with transparent orthodontic devices made of transparent material, so not only are the orthodontic devices invisible from the outside, but they are also freely attachable and detachable, making them highly wearable compared to other orthodontic methods. It is receiving great attention. The clear aligner device must be made of an elastic material to allow the device to be worn and removed.

Figure 1(a) is a plan view of a clear aligner device according to an embodiment of the present invention, and Figure 1(b) is a cross-sectional view taken along line A-A' of Figure 1(a).

The transparent aligner device 100 sets virtual treatment target data (Virtual Treatment Object Data) based on the initial data (Initial Data) of the patient's teeth, and then adjusts each tooth so that the teeth can be gradually moved from the initial position to the target position. It is produced by generating intermediate data at each stage, and outputting the intermediate data and target data at each stage indirectly or directly.

In the indirect output method, the device that designs the transparent orthodontic device 100 outputs a set-up model of the teeth, and the device that manufactures the transparent orthodontic device 100 uses the setup model as a tooth mold to apply a transparent tooth mold to the tooth mold. It includes the step of performing vacuum forming by pressurizing the material to be covered with a molded sheet. That is, the transparent correction device 100 according to the indirect output method is manufactured through vacuum forming using a molding sheet. The setup model refers to tooth arrangement data that establishes an orthodontic diagnosis and treatment plan from the patient's tooth model before orthodontic treatment and moves the teeth into an ideal shape according to the treatment plan.

In the direct output method, a device that designs a clear aligner directly produces the clear aligner without a device that manufactures the clear aligner, including creating a model of the clear aligner and printing the clear aligner model on a 3D printer such as a 3D printer. It consists of a step of directly outputting through a device. In other words, the transparent correction device 100 according to the direct printing method can be manufactured through a 3D device such as a 3D printer.

The clear aligner device 100 can be used for various cases such as expansion, retraction, extrusion, indentation, rotation, etc. to surround the mandibular teeth or maxillary teeth to be corrected and arrange them from the initial position to the target position. In other words, the transparent aligner device 100 is used by covering the patient's teeth, and can be manufactured and used at each stage in consideration of the maximum amount of movement of the teeth requiring correction.

The clear aligner device 100 may be made of an elastic material. The elasticity or shape-retaining force of the clear aligner device 100 can provide force in a certain direction to the teeth to move the teeth from the initial position to the target position.

According to one embodiment, the clear aligner device 100 may include one or more selected from the group consisting of polycarbonate, polyethylene terephthalate, polyurethane, and glycol-modified polyethylene terephthalate. According to another embodiment, the clear aligner device 100 may be made of a polymer material or an elastomer. Polymeric materials or elastomers include, for example, natural polyisoprene such as cis-1,4-polyisoprene natural rubber and trans-1,4-polyisoprene gutta percha, synthetic polyisoprene, polybutadiene, chloroprene rubber, polychloroprene, neoprene, Bayprene, butyl rubber, halogenated butyl rubber, styrene-butadiene rubber, nitrile rubber, halogenated nitrile rubber, ethylene propylene rubber, ethylene propylene diene rubber, epichlorohydrin rubber, polyacrylic rubber, silicone rubber, fluorosilicone rubber, fluorocarbon It may include roelastomer, perfluoroelastomer, polyether block amide, chlorosulfonated polyethylene, ethylene-vinyl acetate, thermoplastic elastomer, polysulfide rubber, elastin olefin, or combinations thereof. The material of the transparent aligner device 100 described above is illustrative and is not limited thereto. That is, materials with physical properties necessary to achieve the functions of the transparent correction device 100, such as transparency and elasticity, can be used as materials for the transparent correction device 100.

Referring to Figure 1, the clear aligner device 100 of the present invention includes a clear aligner body 110. The clear orthodontic body 110 has an outer surface 111, an inner surface 112, and a tooth groove 113 defined by the inner surface 112 and receiving teeth. That is, the transparent correction body 110 is configured to be fitted on a tooth in order to move the tooth to be corrected from the initial position to the target position for each step. At this time, the transparent correction body 110 may have a negative shape that reflects the target position at each stage of orthodontic treatment.

According to one embodiment, the clear aligner device 100 includes an opening 120. The opening 120 is formed in the transparent correction body 110 and is configured to at least partially expose the teeth. At this time, the open portion 120 may be formed in an occlusal area with opposing teeth during occlusion. The position of the opening portion 120 on the clear aligner device 100 may vary depending on the occlusal area of the clear aligner device 100 manufactured at each stage of orthodontic treatment.

In the case of the conventional clear aligner device, it is configured to cover the entire teeth including the occlusal surface, so the thickness of the clear aligner device causes premature contact of teeth with opposing teeth during occlusion. When a tooth comes into early contact with the opposing tooth, a force is generated that depresses the tooth. If this force continues, unwanted tooth compression may occur or negative results may occur in the temporomandibular joint.

That is, the transparent aligner device 100 of the present invention includes an opening portion 120 to prevent premature contact of teeth, including the posterior teeth, during occlusion, and the patient can easily determine whether the transparent aligner device 100 is worn in the correct position. You can check it clearly.

Figure 2(a) shows an upper jaw tooth model with an occlusal area displayed according to an embodiment of the present invention, and Figure 2(b) shows a lower tooth model with an occlusal area displayed according to an embodiment of the present invention.

Referring to Figures 1 and 2, the opening 120 is a transparent correction body (120) based on the contact areas (11a, 11b) mapped by the digital tooth model (10a) of the upper jaw and the digital tooth model (10b) of the lower jaw. 110). Mapping means visually expressing the contact areas 11a and 11b so that they can be distinguished according to the contact strength between the upper and lower teeth. That is, the boundary 114 defining the open portion 120 may be formed based on the contact portions 11a and 11b mapped according to the contact intensity. In this way, the opening 120 is formed in a more accurate occlusal area of the transparent orthodontic body 110 to prevent premature contact of teeth.

Figure 3 is a diagram showing the occlusion between the upper and lower teeth when the transparent orthodontic device including an opening according to an embodiment of the present invention is mounted on the teeth.

Below, the description will be made focusing on the posterior teeth by way of example. However, the technical features of the transparent aligner applied to these posterior teeth can be equally applied to all teeth.

Referring to FIG. 3, the upper teeth 20a and the lower teeth 20b form an occlusal area 30 when they occlude. The clear orthodontic device 100 includes a transparent orthodontic body 110 mounted on teeth and an opening 120 formed in the clear orthodontic body 110 in a region corresponding to the occlusal area 30.

According to one embodiment, the clear correction body 110 includes a boundary 114 defining the opening 120, and the boundary 114 has a thickness that decreases as it approaches the opening 120. It can be configured. For example, the edge of the boundary 114 may be tapered or formed into a knife edge or wedge shape to minimize foreign body sensation.

The occlusal area 30 considers not only vertical occlusion but also lateral occlusion, so that during occlusion, the occlusal teeth do not contact the boundary 114 of the transparent orthodontic body 110 or the boundary of the transparent orthodontic body 110 mounted on the upper and lower jaw ( 114) may be set to include more free space so that they do not contact each other. For example, the free space may be approximately 1 mm or more.

In this way, by forming the opening 120 in the occlusal area 30 of the clear aligner 100, the problem of premature contact with the opposing teeth due to the thickness of the occlusal surface of the clear aligner 100 during occlusion can be prevented. do.

Figure 4 is a view showing the occlusion between the upper and lower teeth when the transparent orthodontic device including the strength reinforcement according to an embodiment of the present invention is mounted on the teeth.

Referring to Figure 4, the clear aligner device 100 of the present invention may further include a strength reinforcement unit 130. When the opening 120 is formed in the transparent aligner 100, the area surrounding the teeth is reduced, which may reduce the corrective force acting on the teeth. Therefore, by further forming the strength reinforcement portion 130 in the transparent aligner device 100, the correction force that may be reduced by the open portion 120 can be compensated. That is, the strength reinforcement portion 130 is configured to be formed on the outer surface 111 of the transparent correction body 110 where the opening portion 120 is formed.

The strength reinforcement unit 130 may be formed in a way to complement the thickness of a specific area of the transparent orthodontic body 100 according to each case of orthodontic treatment. That is, the strength reinforcement unit 130 is configured to make the area where the force of the transparent aligner device 100 is applied thicker than the other area to sufficiently transmit the force to the teeth at the corresponding position.

The strength reinforcement unit 130 may be manufactured integrally with the same material as the clear correction body 110, or may be manufactured separately from a material different from the clear correction body 110 and conformally coupled to the clear correction body 110. It may be possible.

The strength reinforcement portion 130 may be formed only on a portion of the outer surface 111 of the transparent correction body 110, and the other portion of the outer surface 111 of the transparent correction body 110 may be exposed to the outside as is. there is. At this time, the strength reinforcement unit 130 is tapered or has a knife edge to minimize foreign body sensation at the boundary with the external surface 111 of the transparent correction body 110 on which the strength reinforcement unit 130 is not formed. Alternatively, it may be formed in a wedge shape.

According to one embodiment, the strength reinforcement portion 130 may be formed on the outer surface 111 of the transparent correction body 110 located distal from the direction of movement of the teeth to be corrected. That is, the strength reinforcement unit 130 is configured to supplement the correction force toward the target movement direction of the tooth to be corrected.

As a result, the strength reinforcement unit 130 can improve tooth movement and tooth movement speed by minimizing deformation of the transparent aligner device 100 and extending the period of applying a certain force to the teeth so that tooth movement can proceed as planned. Ultimately, it can improve the speed and accuracy of orthodontic correction.

Below, we will look at the application area of the strength reinforcement unit 130 to the transparent orthodontic body 110 according to each case of orthodontic treatment. At this time, the explanation will be based on the lower posterior teeth, and the technical features of the transparent aligner applied to the lower posterior teeth can be equally applied to all teeth.

Figure 5 shows the application area of the strength reinforcement according to the expansion case according to an embodiment of the present invention.

According to one embodiment, in the case of an expansion case, the strength reinforcement portion 130 is configured to be formed on the outer surface 111 of the lingual side of the transparent correction body 110.

Expansion Case refers to a case where a correction force is applied to the tooth to be corrected from the lingual side to the buccal side to move the tooth.

At this time, in order to move the tooth to be corrected from the lingual side to the buccal side, it is necessary to reinforce the thickness of the outer surface 111 on the lingual side of the transparent correction body 110. That is, as the strength reinforcement portion 130 is formed on the outer surface 111 on the lingual side of the transparent correction body 110, it is possible to compensate for the decrease in correction force caused by the opening portion 120.

In the case of an expansion case, the opening 120 may be formed by considering an additional occlusal area 40 due to tooth movement in addition to the initial occlusal area 30.

Figure 6 shows the application area of the strength reinforcement according to the retraction case according to an embodiment of the present invention.

According to one embodiment, in the case of the retraction case, the strength reinforcement portion 130 is configured to be formed on the outer surface 111 on the buccal side of the transparent correction body 110.

A retraction case refers to a case where a corrective force is applied to the tooth to be corrected from the buccal side to the lingual side to move the tooth.

At this time, in order to move the tooth to be corrected from the buccal side to the lingual side, it is necessary to reinforce the thickness of the outer surface 111 on the buccal side of the transparent correction body 110. That is, as the strength reinforcement portion 130 is formed on the outer surface 111 of the transparent correction body 110 on the buccal side, it is possible to compensate for the decrease in correction force caused by the opening portion 120.

In the case of a retraction case, the opening 120 may be formed by considering an additional occlusal area 40 due to tooth movement in addition to the initial occlusal area 30.

Figure 7 shows the application area of the strength reinforcement according to the crystallization case according to an embodiment of the present invention.

According to one embodiment, in the case of an extrusion case, the strength reinforcement 130 is located on the proximal side from the tooth root based on the maximum ridge line (L1) of the tooth (based on the lower tooth, below the maximum ridge line (L1) It is configured to be formed on the outer surface 111 of the transparent correction body 110 located on the side). At this time, the maximum ridge line (L1) of the tooth refers to a line connecting the points where the tooth is maximally ridged laterally.

A retraction case refers to a case in which the tooth to be corrected is attempted to be moved by applying corrective force from the root of the tooth in the direction of retraction.

At this time, in order to move the tooth to be corrected in the eruption direction, the outer surface 111 located on the proximal side from the tooth root based on the maximum ridge line (L1) of the tooth (below the maximum ridge line (L1, based on the mandibular tooth)) There is a need to reinforce the thickness. That is, as the strength reinforcement portion 130 is formed on the outer surface 111 located proximally from the tooth root (below the maximum ridge line L1, based on the lower teeth), it compensates for the decrease in orthodontic force caused by the opening portion 120. You can do it.

Figure 8 shows the application area of the strength reinforcement according to the embedded case according to an embodiment of the present invention.

According to one embodiment, in the case of an intrusion case, the strength reinforcement portion 130 is located distal from the tooth root based on the maximum ridge line (L1) of the tooth (above the maximum ridge line (L1) based on the lower tooth). It is configured to be formed on the outer surface 111 of the transparent correction body 110 located at ). At this time, the maximum protrusion line (L1) of the tooth refers to a line connecting the points where the tooth is maximally protruded laterally.

An intrusion case refers to a case in which a tooth to be corrected is attempted to be moved by applying corrective force in the direction of intrusion.

At this time, in order to move the tooth to be corrected in the intrusion direction, the external surface 111 located on the proximal side from the tooth root based on the maximum ridge line (L1) of the tooth (below the maximum ridge line (L1, based on the lower tooth)) There is a need to reinforce the thickness. That is, as the strength reinforcement portion 130 is formed on the outer surface 111 located on the distal side from the tooth root (above the maximum ridge line L1, based on the lower teeth), it can compensate for the decrease in orthodontic force caused by the opening portion 120. It becomes possible.

Figure 9 shows the application area of the strength reinforcement according to the rotation case according to an embodiment of the present invention.

According to one embodiment, in the case of a rotation case, the strength reinforcement portion 130 is positioned diagonally to each other when four quadrants are set based on the groove line L2 formed on the occlusal surface of the tooth. It is configured to be formed on the outer surface 111 of the transparent correction body 110. At this time, the groove line L2 refers to a straight line connecting depression points formed on edges facing each other among the edges of teeth defining the occlusal surface.

A rotation case refers to a case in which a tooth to be corrected is desired to be rotated by applying a corrective force in the direction of rotation.

At this time, when the four quadrants are set based on the groove line (L2) formed on the occlusal surface of the tooth to rotate the tooth to be corrected, the outer surface of the transparent correction body 110 located in a diagonal direction ( 111) needs to be strengthened. That is, as the strength reinforcement portion 130 is formed on the outer surface 111 of the transparent correction body 110 located in a diagonal direction with respect to the groove line L2, it compensates for the decrease in correction force caused by the opening portion 120. You can do it.

Figure 10 shows the application area of the strength reinforcement according to the angulation case according to an embodiment of the present invention.

According to one embodiment, in the case of an angulation case, the strength reinforcement unit 130 is located on the mesial side of the transparent correction body 110 in one direction based on the maximum ridge line L1 of the tooth. It is configured to be formed on the outer surface 111 and the outer surface 111 on the distal side of the transparent orthodontic body 110 located in the other direction with respect to the maximum ridge line L1 of the tooth. At this time, the maximum protrusion line (L1) of the tooth refers to a line connecting the points where the tooth is maximally protruded laterally.

Angulation case refers to a case where corrective force is applied in the direction to adjust the inclination of the mesial surface and distal surface of the tooth.

At this time, in order to move the tooth to be corrected in the tilt control direction, the thickness of the outer surface 111 on the mesial side of the transparent correction body 110 located in one direction based on the maximum ridge line (L1) of the tooth, And it is necessary to reinforce the thickness of the outer surface 111 on the distal side of the transparent orthodontic body 110 located in the other direction with respect to the maximum ridge line L1 of the tooth. That is, as the strength reinforcement 130 is formed in a specific area of the outer surface 111 on the mesial side and in a specific area of the outer surface 111 on the distal side, the correction force due to the opening 120 is reduced. can be supplemented.

Figure 11 shows the application area of the strength reinforcement according to the torque control case according to an embodiment of the present invention.

According to one embodiment, in the case of a torque control case, the strength reinforcement unit 130 is located on the lingual surface of the transparent correction body 110 located in one direction based on the maximum ridge line L1 of the tooth. It is configured to be formed on the buccal side outer surface 111 of the transparent orthodontic body 110 located in the other direction based on the side outer surface 111 and the maximum ridge line L1 of the tooth. At this time, the maximum protrusion line (L1) of the tooth refers to a line connecting the points where the tooth is maximally protruded laterally.

Torque control case refers to a case where corrective force is applied in the direction in which you want to adjust the lingual-buccal inclination of the teeth.

At this time, in order to move the tooth to be corrected in the tilt control direction, the thickness of the outer surface 111 on the lingual side of the transparent correction body 110 located in one direction based on the maximum ridge line L1 of the tooth, and It is necessary to reinforce the thickness of the outer surface 111 on the buccal side of the transparent orthodontic body 110 located in the other direction relative to the maximum ridge line L1 of the tooth. In other words, as the strength reinforcement portion 130 is formed in a specific area of the outer surface 111 on the lingual side and the outer surface 111 on the buccal side, it compensates for the decrease in correction force caused by the opening portion 120. You can do it.

The description of the present invention described above is for illustrative purposes, and those skilled in the art will understand that the present invention can be easily modified into other specific forms without changing the technical idea or essential features of the present invention. will be. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. For example, each component described as unitary may be implemented in a distributed manner, and similarly, components described as distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the patent claims described below, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts should be construed as being included in the scope of the present invention.

100 Clear aligners
110 Clear Correction Body
111 External surface
112 inner surface
113 Tooth groove
114 Boundary
120 opening
130 Strength reinforcement section
10a Digital tooth model of the maxilla
10b Digital tooth model of the lower jaw
11a Contact area mapped on the maxilla
11b Contact area mapped to the mandible
20a maxillary teeth
20b lower teeth
30 initial occlusal area
40 additional occlusal areas

Claims (11)

a transparent correction body configured to receive teeth to be corrected in order to move the teeth to be corrected from the initial position to the target position; and
It is formed on the transparent orthodontic body and includes an opening that at least partially exposes the teeth,
The opening is formed in the occlusal area with the antagonist teeth during occlusion,
The clear correction body includes a boundary defining the opening, and the boundary decreases in thickness as it approaches the opening,
With respect to the direction of movement of the teeth to be corrected, it is conformally formed on the outer surface of the transparent correction body located distal from the direction of movement, further comprising a strength reinforcement portion to reinforce the correction force,
The strength reinforcement portion is formed on the outer surface of the transparent correction body on which the opening portion is formed. delete delete According to paragraph 1,
The transparent aligner device is characterized in that the strength reinforcement portion is formed in a tapered, knife edge, or wedge shape at the boundary with the outer surface of the transparent aligner body. According to paragraph 1,
In the case of the expansion case, the strength reinforcement portion is formed on the outer surface of the lingual side of the transparent correction body. According to paragraph 1,
In the case of the retraction case, the strength reinforcement portion is formed on the outer surface of the transparent correction body on the buccal side. According to paragraph 1,
In the case of an extrusion case, the strength reinforcement portion is formed on the outer surface of the transparent aligner body located proximally from the tooth root based on the maximum ridge line of the tooth. According to paragraph 1,
In the case of an intrusion case, the strength reinforcement portion is formed on the outer surface of the transparent aligner body located distal from the tooth root based on the maximum ridge line of the tooth. According to paragraph 1,
In the case of a rotation case, the strength reinforcement portion is formed on the outer surface of the transparent correction body located in a diagonal direction when four quadrants are set based on the groove line formed on the occlusal surface of the teeth. Characterized by a transparent aligner device. According to paragraph 1,
In the case of the angulation case, the strength reinforcement part is located on the outer surface of the mesial side of the transparent orthodontic body in one direction based on the maximum ridge line of the teeth, and in the other direction based on the maximum ridge line of the teeth. A transparent orthodontic device, characterized in that it is formed on the outer surface of the distal side of the transparent orthodontic body. According to paragraph 1,
In the case of the Torque Control Case, the strength reinforcement unit is located on the outer surface of the lingual side of the transparent orthodontic body located in one direction based on the maximum ridge line of the teeth and in the other direction based on the maximum ridge line of the teeth. A transparent orthodontic device, characterized in that it is formed on the outer surface of the buccal side of the transparent orthodontic body.

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