KR102332647B1 - Method for manufacturing orthodontic bracket with a customized base - Google Patents

Abstract

According to an embodiment of the present invention, there is provided a method of manufacturing an orthodontic bracket having a customized base portion. The providing method includes: providing a real tooth model including at least one model tooth corresponding to the patient's teeth, wherein at least one of the model teeth is formed with a coupling portion corresponding to the bracket body; disposing a resin of a soft material inside the coupling part; forming the base portion corresponding to at least one surface of the model tooth by coupling the bracket body portion to the coupling portion and pressing the resin; and forming the bracket by integrally separating the bracket body and the base from the model teeth.

Description

Method of manufacturing an orthodontic bracket having a customized base

The present invention relates to a method of manufacturing an orthodontic bracket having a customized base, and more particularly, to a manufacturing method of an orthodontic bracket capable of forming a customized base corresponding to a patient's teeth by using a resin.

Teeth existing in the oral cavity of the human body may form an uneven shape of tooth arrangement (dentition) due to congenital or acquired malformation factors. Such uneven dentition is called malocclusion, and such malocclusion causes aesthetic problems that adversely affect appearance in human life and functional problems such as food intake and incorrect pronunciation of language. do.

Accordingly, as a dental treatment means for correcting malocclusion of teeth, an orthodontic technique for generating teeth movement along with remodeling of the alveolar bone surrounding the teeth by applying a continuous force to the teeth has been applied.

A typical general orthodontic brace to which orthodontic technology is applied is coupled to a plurality of orthodontic brackets individually attached to each tooth of a patient, and a slot formed in the orthodontic bracket to provide traction to move the teeth to the orthodontic position. It is composed of a wire, and a base for attachment to the tooth surface is formed on the orthodontic bracket.

Orthodontic treatment using such a conventional orthodontic appliance is a method of attaching a mass-produced bracket in a certain shape to the patient's teeth, then bending the wire into a shape corresponding to the ideal dental arch (curvature of the teeth) and binding it to the slot of the bracket. lost.

However, conventional brackets are generally mass-produced in a certain form without considering the shape of the patient's teeth. was standardized. Accordingly, when an adhesive is applied to the base and attached to the patient's teeth, the adhesive is spread by the curved surface of the tooth, and the thickness of the adhesive is not uniform, so that the adhesive strength to the teeth is different, so there is a problem that it is difficult to be stably fixed.

In addition, when the conventional bracket is attached to the tooth, it is difficult to determine whether the bracket is sufficiently closely adhered to the curved surface of the tooth. There was a problem.

Therefore, there is a need for a method of manufacturing an orthodontic bracket having a customized base part that can solve such a problem.

JP 2008-539950 A

The present invention is to solve the above problems, and the present invention relates to a method of manufacturing a bracket fixing jig for orthodontic treatment and a bracket fixing jig manufactured thereby, and specifically, by injecting silicon into the jig body, and An object of the present invention is to provide a method for manufacturing a bracket fixing jig capable of forming a soft bracket holding part provided integrally and a bracket fixing jig manufactured thereby.

The technical problems of the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description.

According to an embodiment of the present invention, there is provided a method of manufacturing an orthodontic bracket having a customized base portion. The providing method includes: providing a real tooth model including at least one model tooth corresponding to the patient's teeth, wherein at least one of the model teeth is formed with a coupling portion corresponding to the bracket body; disposing a resin of a soft material inside the coupling part; forming the base portion corresponding to at least one surface of the model tooth by coupling the bracket body portion to the coupling portion and pressing the resin; and forming the bracket by integrally separating the bracket body and the base from the model teeth.

Preferably, a locking jaw is protruded inside the coupling part, and in the step of forming the base part, when the bracket body part is coupled, the bracket body part is spaced apart from the model teeth by the locking jaw, so that the base part It may be formed to a predetermined thickness or more.

In addition, preferably, the method further comprises the step of setting a bracket fixing position on the patient's teeth based on the patient's orthodontic information, wherein the coupling unit is attached to at least one of the model teeth in response to the bracket fixing position. can be formed.

In addition, preferably, the method further comprises the step of applying a separation agent to a region located inside the coupling part among one surface of the model tooth on which the coupling part is formed, and applying the separation agent comprises disposing the resin It can be carried out before the step.

Also, preferably, the forming of the bracket may be performed by integrally separating the bracket body and the base from the model teeth while the resin forming the base is unpolymerized.

Also, preferably, the forming of the base part may include polymerizing the resin to a predetermined strength or higher.

In addition, preferably, an uneven portion is formed on one surface of the bracket body portion in contact with the resin, and in the step of forming the base portion, the adhesive strength between the bracket body portion and the resin by the uneven portion is determined by the model tooth and greater than the adhesive strength between the resin and the resin.

In addition, preferably, a protrusion is formed on the inside of the coupling part on the model tooth, and in the step of forming the base part, the base part of the base part according to the distance between the one surface of the bracket body part in contact with the resin and the protrusion part is spaced apart. The thickness can be adjusted.

In addition, preferably, a depression is formed on the inside of the coupling part in the model tooth, and in the step of forming the base part, the one surface of the bracket body in contact with the resin and the depression part are spaced apart from the base part according to a distance. The thickness can be adjusted.

In addition, preferably, the bracket body portion may be formed with a wire receiving portion to which the orthodontic wire is coupled.

According to the present invention, a bracket suitable for a patient can be manufactured in a simple way through a simple process by arranging a resin on a model tooth and forming the base part by pressing and deforming the resin with the bracket body part.

Further, according to the present invention, the base portion formed of resin is formed in a shape corresponding to the patient's teeth, and the base portion is attached in close contact with the attachment surface of the teeth, whereby the bracket can be stably fixed to the patient's teeth.

In addition, according to the present invention, since the method of attaching the bracket to the patient's teeth can be implemented differently depending on whether the resin forming the base is polymerized, the convenience of the procedure can be increased.

In addition, according to the present invention, it is possible to adjust the thickness of the base portion by forming a protrusion or a depression in the real tooth model.

In order to more fully understand the drawings recited in the Detailed Description of the Invention, a brief description of each drawing is provided.
1 shows a method of manufacturing a bracket having a customized base according to an embodiment of the present invention.
FIG. 2 shows an example of a real tooth model provided in the manufacturing method of FIG. 1 .
3 to 5 show a manufacturing process according to the method of FIG. 1 .
FIG. 6 shows an example of a manufacturing process of step S140 in the method of FIG. 1 .
FIG. 7 shows an example of a manufacturing process of step S140 in the method of FIG. 1 .
FIG. 8 shows an example of a manufacturing process of step S140 of the method of FIG. 1 .
9 shows a state in which the bracket according to an embodiment of the present invention is fixed to the patient's teeth.

Hereinafter, embodiments according to the present invention will be described with reference to the accompanying drawings. In adding reference numerals to the components of each drawing, it should be noted that the same components are given the same reference numerals as much as possible even though they are indicated on different drawings. In addition, in describing the embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function interferes with the understanding of the embodiment of the present invention, the detailed description thereof will be omitted. In addition, embodiments of the present invention will be described below, but the technical spirit of the present invention is not limited thereto and may be variously implemented by those skilled in the art. On the other hand, for convenience described below, the vertical, left and right directions are based on the drawings, and the scope of the present invention is not necessarily limited to the direction.

Throughout the specification, when a part is "connected" with another part, this includes not only the case of being "directly connected" but also the case of being "indirectly connected" with another element interposed therebetween. . Throughout the specification, when a part "includes" a certain element, it means that other elements may be further included, rather than excluding other elements, unless otherwise stated. In addition, in describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the components from other components, and the essence, order, or order of the components are not limited by the terms.

1 shows a method of manufacturing a bracket having a customized base according to an embodiment of the present invention, FIG. 2 shows an example of a real tooth model provided in the manufacturing method of FIG. 1, and FIGS. 3 to 5 are The manufacturing process according to the manufacturing method of FIG. 1 is shown.

Specifically, FIG. 3 shows a step of providing a real tooth model and a step of applying a separating agent, FIG. 4 shows a step of disposing a resin and a step of forming a base part, and FIG. 5 shows a step of separating the bracket body part and the base part do.

Hereinafter, a method 100 for manufacturing a bracket according to an embodiment of the present invention will be described with reference to FIGS. 1 to 5 .

The manufacturing method 100 of the bracket having a customized base part includes the steps of providing a real tooth model (S110), applying a separating agent to the model teeth (S120), and disposing a resin inside the coupling part (S130). , forming a base portion by combining the bracket body portion with the coupling portion (S140) and separating the bracket body portion and the base portion from the model teeth (S150).

In step S110, the real tooth model 200 for the patient's teeth may be provided (see FIGS. 2 and 3 (a)). The real tooth model 200 may be formed in a shape that identically reproduces the actual dental structure (the shape of the crown and the tooth arrangement structure) before orthodontic treatment of the patient, and the real tooth model 200 is at least corresponding to the patient's second child. One model tooth 210 may be included.

At least one model tooth 210 of the real tooth model 200 may be formed with a coupling part 220 for supporting the bracket body 310 , and the coupling part 220 is connected to the bracket body 310 . It can be formed to correspond.

In an embodiment, the manufacturing method 100 may further include setting a bracket fixing position on the patient's teeth before step S110. Specifically, it is possible to obtain orthodontic information about the patient's current state before step S110. A bracket fixing position at which the bracket 300 is fixed to the patient's teeth may be set based on the acquired orthodontic information, and the coupling unit 220 corresponds to the bracket fixing position at least one of the model teeth 210. can be formed in

The coupling part 220 is formed to protrude from one surface of the model tooth 210 , and may be formed in a shape corresponding to at least a portion of the bracket body 310 so that the bracket body 310 can be coupled thereto. A locking jaw 222 may be protruded inwardly from the inner surface of the coupling part 220, and when the bracket body 310 is coupled, the bracket body 310 is formed by the locking jaw 222 as a model tooth ( 210) may be spaced apart from one side.

In step S120, the separation agent (S) may be applied to one surface of the model tooth 210 (refer to (b) of FIG. 3). Specifically, the separating agent S may be applied to a region located inside the coupling part 220 among one surface of the model tooth 210 on which the coupling part 220 is formed. The separating agent (S) may allow the resin (R) forming the base portion 320 to be easily separated from the model tooth 210 . The type or component of the separating agent (S) is not limited, and may be implemented using various resin separating agents commonly used in the technical field of the present invention.

Meanwhile, in FIGS. 3 to 5 , the separation agent S is applied to the model tooth 210 , but this corresponds to an embodiment, and according to an embodiment to which the present invention is applied, step S120 is performed it may not be For example, even if the separation agent S is not applied depending on the type or state of the resin R, if the resin R can be easily separated from the model tooth 210, the model tooth 210 ) may not be applied with a separating agent (S). In this case, after step S110, step S130 to be described below may be performed immediately.

In step S130 , the resin R may be disposed on the inside of the coupling part 220 (refer to (a) of FIG. 4 ). Specifically, the resin R of a soft material may be disposed in an area located inside the coupling part 220 among one surface of the model tooth 210 . Here, the resin (R) is a kind of synthetic resin that hardens to a predetermined hardness through polymerization, and various types of resin including light cured resin, self-cured resin, etc. are used. can be implemented. The resin (R) disposed on the coupling part 220 in step S130 is before polymerization and may be in a state having a predetermined fluidity or adhesiveness, and accordingly, the bracket body part 310, the coupling part 220, etc. The base portion 320 may be formed while being deformed into a predetermined shape by the

In step S140, the bracket body 310 may be coupled to the coupling part 220 to form the base part 320 (refer to FIG. 4(b) ). The base part 320 is for fixing the bracket body part 310 to the patient's teeth, is coupled to the bracket body part 310, and may be attached to the patient's teeth.

Specifically, at least a portion of the bracket body part 310 is formed in a shape corresponding to the coupling part 220 , and when the bracket body part 310 is coupled to the coupling part 220 , the resin R is the bracket body part. It may be deformed into a shape corresponding to at least one surface of the model tooth 210 while being pressed by the 310 . In step S120, the resin (R) disposed on the coupling part 220 is in an unpolymerized state and has adhesive properties, so in the process of being pressurized and deformed by the bracket body part 310, the resin (R) in an unpolymerized state is ) and the bracket body 310 may be adhered with a predetermined adhesive force. Accordingly, it is possible to form the customized base portion 320 corresponding to at least one surface of the patient's teeth by using the non-polymerized resin (R).

At this time, when the bracket body part 310 is coupled, the bracket body part 310 is supported by the locking jaw 222 and spaced apart from the model tooth 210 by a predetermined distance, so that the base part 320 has a predetermined thickness. It is formed as above, and may be formed to have a uniform thickness. In addition, according to the embodiment, a protrusion 212 or a depression 214 is formed on the model tooth 210 so that the bracket body 310 is spaced apart from the protrusion 212 or the depression 214 based on the distance. Thus, the thickness of the base part 320 can be adjusted.

In one embodiment, step S140 may include polymerizing the resin (R). Specifically, after the unpolymerized resin (R) is press-deformed into a predetermined shape by coupling the bracket body portion (310) to the coupling portion (220) in step S140, the resin (R) is subjected to a predetermined strength or higher. can be polymerized. For example, when the resin R is made of a photo-curable resin, the resin R may be photo-cured by irradiating light through a light irradiator. When the resin (R) is polymerized, it may be adhered to the bracket body 310 and the model tooth 210 while being hardened to a predetermined strength or more. Accordingly, the base portion 320 may be formed using the polymerized resin R.

As such, in step S140, it may be determined whether the step of polymerizing the resin (R) is performed according to the embodiment. That is, the step of polymerizing the resin (R) depending on whether the base part 320 of the bracket 300 is composed of the resin (R) in an unpolymerized state, or the resin (R) in a polymerized state. It can be done selectively. A method of fixing the bracket 300 to the patient's teeth may be different depending on the state of the resin R forming the base part 320 . This will be described in more detail with reference to FIG. 9 below.

The bracket body 310 may be coupled to the base 320 to be attached to the patient's teeth, and the bracket body 310 may include a wire receiving part 312 to which an orthodontic wire may be coupled. . Here, the shape, size, etc. of the bracket body portion 310 is not limited to those shown in FIGS. 3 to 5 , and varies depending on the environment and purpose in consideration of the attachment position, the patient's condition, or the cross-sectional shape of the wire. can be deformed to For example, the bracket body part 310 may include other functional parts (eg, a cover part for covering the wire) in addition to/alternatively to the wire receiving part 312 . Also, for example, the bracket body 310 may be implemented in a tube type, and the wire receiving portion 312 may also be formed in a circular shape.

Meanwhile, although not shown, an uneven portion is formed on one surface of the bracket body 310 to adjust the adhesive strength between the resin R and the bracket body 310 or the model tooth 210 . For example, an uneven portion is formed to protrude from one surface of the bracket body 310 in contact with the resin (R), thereby increasing the contact area between the bracket body part 310 and the resin (R), thereby increasing the contact area between the bracket body part 310 and the resin (R). ) and the adhesive strength between the resin (R) can be such that the adhesive strength beam between the resin (R) and the model tooth 210 is formed to be large. Due to these irregularities, the resin (R) can be more strongly adhered to the bracket body portion 310 than the model tooth 210, regardless of whether the resin (R) is polymerized, and thus, the resin (R) formed of The base part 320 may be separated from the model tooth 210 together with the bracket body part 310 .

In step S150 , the bracket body 310 and the base 320 may be separated from the model teeth 210 (see FIG. 5 ). Specifically, through steps S110 to S140, the bracket body 310 and the base 320 are bonded to each other and can be manufactured in a state disposed on the model tooth 210. Therefore, by integrally separating the bracket body portion 310 and the base portion 320 from the model tooth 210, the bracket 300 having the customized base portion 320 can be formed.

In this case, the state of the resin R forming the base part 320 may be determined according to whether the polymerization step of the resin R is performed in step S140 . For example, if the step of polymerizing the resin (R) is not performed, the resin (R) forming the base portion 320 is unpolymerized from the model tooth 210 to the bracket body portion 310 and can be integrally separated. In addition, when the step of polymerizing the resin (R) is performed, the resin (R) forming the base part 320 may be integrally separated from the bracket body part 310 in a polymerized state. Since the separating agent (S) has been previously applied through step S120, when a predetermined external force is applied, the bracket body part 310 and the base part 320 may be separated in a coupled state. According to the embodiment, even when step S120 is not performed, the resin (R) is configured to be strongly adhered to the bracket body 310 rather than the model teeth 210 by the uneven parts, so that the bracket body 310 and the base The part 320 can be easily separated.

In this way, the bracket 300 completed through the manufacturing method 100 according to the present invention is a base portion 320 that is customized to correspond to the patient's teeth using the bracket body 310 and the resin (R). may be formed in an integrally coupled state. According to the manufacturing method 100, since the base portion 320 corresponding to at least one surface of the patient's teeth is formed by pressing and deforming the resin R of the soft material, the bracket 300 is set on the patient's teeth. It can be accurately and stably fixed in a fixed position.

On the other hand, the real tooth model 200 provided in the manufacturing method 100 may be manufactured through various methods used in the technical field to which the present invention pertains.

For example, as a manufacturing method of the real tooth model 200, 3D shape data for a patient's dental structure is obtained using a 3D scanner, and 3D shape data of the dental structure is provided to a 3D printer to provide a real tooth model through the 3D printer. (200) can be printed. At this time, the real tooth model 200 in a state in which the coupling unit 220 is integrally provided may be printed.

Specifically, before printing the real tooth model 200, on the 3D dental image implemented by 3D shape data, the real tooth model in a state in which the coupling part 220 is formed corresponding to the bracket fixing position set on the patient's teeth ( 200) for shape design (design) can be performed. Then, when the design of the real tooth model 200 in which the coupling part 220 is formed is completed, 3D shape data of the designed real tooth model 200 is provided to the 3D printer, and the coupling part 220 is integrated by the 3D printer. It is possible to manufacture a real tooth model 200 formed of . However, the above information regarding the method of manufacturing the real tooth model 200 is exemplary and not limited thereto, and may be manufactured using various methods according to an embodiment to which the present invention is applied.

FIG. 6 shows an example of a manufacturing process of step S140 in the method of FIG. 1 .

The manufacturing process shown in FIG. 6 is different from the manufacturing process according to the manufacturing method 100 described with reference to FIGS. 1 to 5, and the shapes of the coupling part, the bracket body part and the base part are different, and below, the differences will be mainly described. and overlapping explanations are replaced by the preceding contents.

Referring to FIG. 6 , the bracket body 310 ′ may be implemented in the form of a tube formed through the wire receiving portion 312 ′ on the inside. The coupling part 220' formed on the model tooth 210 is formed to correspond to the tubular bracket body part 310', so that the bracket body part 310' may be coupled thereto. For example, the coupling part 220' may be formed to be spaced apart in the vertical direction on one surface of the model tooth 210, and the distance at which the coupling part 220' is vertically spaced apart from the outer diameter of the bracket body part 310' The same or smaller than the outer diameter may be formed. Accordingly, the bracket body 310' is fitted inside the coupling part 220', so that the bracket body 310' may be supported by the coupling part 220'. At this time, a locking jaw 222' is formed inside the coupling part 220', and when the bracket body part 310' is coupled, the bracket body part 310' and the model tooth 210 are spaced apart from the base part. 320' may be formed to a predetermined thickness.

As such, in the manufacturing method 100 according to the present invention, a bracket having a customized base can be manufactured by applying various types of bracket body parts and coupling parts corresponding thereto.

FIG. 7 shows an example of a manufacturing process of step S140 of the method of FIG. 1 .

The manufacturing process shown in FIG. 7 has a different shape of the model teeth compared to the manufacturing process according to the manufacturing method 100 described with reference to FIGS. 1 to 5 . Hereinafter, the differences will be mainly described, and overlapping explanations is replaced with the previous one.

Referring to FIG. 7 , a protrusion 212 is formed on the model tooth 210 ′, and the thickness of the base 320 may be adjusted by the protrusion 212 . Specifically, the model tooth 210 ′ may have a protrusion 212 protruding to the inside of the coupling portion 220 to a predetermined height. In this case, the protrusion 212 may protrude while maintaining a curved surface corresponding to one surface of the patient's teeth. Accordingly, when the bracket body part 310 is coupled to the coupling part 220 in step S140, one surface of the bracket body part 310 in contact with the resin (R) and the protrusion part 212 are spaced apart from the base part according to the distance. The thickness of 320 can be adjusted.

For example, in step S140, when the resin (R) is polymerized to form the base part 320 of the polymerized resin (R), an adhesive is applied to the base part 320 and attached to the patient's teeth. can do. At this time, in order to accurately position the bracket 300 at the bracket fixing position, it is necessary to make the thickness of the base part 320 thin to a predetermined degree in consideration of the thickness of the adhesive applied to the base part 320, in this case , by forming the protrusion 212 on the model tooth 210 ′ and finely adjusting the degree of protrusion, the thickness of the base portion 320 can be appropriately formed thin.

FIG. 8 shows an example of a manufacturing process of step S140 of the method of FIG. 1 .

The manufacturing process shown in FIG. 8 is different from the manufacturing process according to the manufacturing method 100 described with reference to FIGS. 1 to 5, and the shape of the model teeth is different. Hereinafter, the differences will be mainly described and overlapping explanations is replaced with the previous one.

Referring to FIG. 8 , a depression 214 is formed in the model tooth 210 ″, and the thickness of the base portion 320 may be adjusted by the depression 214 . Specifically, the model tooth 210 ″ may have a recessed portion 214 recessed to the inside of the coupling portion 220 to a predetermined height. At this time, the depression 214 may be depressed while maintaining a curved surface corresponding to one surface of the patient's teeth. Accordingly, when the bracket body part 310 is coupled to the coupling part 220 in step S140, one surface of the bracket body part 310 in contact with the resin (R) and the recessed part 214 are spaced apart from the base according to the distance. The thickness of the part 320 may be adjusted.

For example, in step S140, without polymerizing the resin (R), if the base portion 320 is formed of the unpolymerized resin (R), the base portion 320 is placed on the patient's teeth and By polymerizing the resin (R), it can adhere to the patient's teeth. At this time, in order to accurately position the bracket 300 at the bracket fixing position, the base portion considering that the non-polymerized resin (R) forming the base portion 320 comes into contact with the patient's teeth and spreads widely and thins out. It is necessary to form the thickness of the 320 thick to a predetermined degree. In this case, the base portion 320 is formed by forming the depression 214 in the model tooth 210 ″ and finely adjusting the degree of depression. ) can be appropriately thick.

Figure 9 shows a state in which the bracket according to an embodiment of the present invention is fixed to the patient's teeth.

Figure 9 (a) shows a case in which the base portion 320 of the bracket 300 is formed of the unpolymerized resin (R), and Figure 9 (b) is the base portion ( 320) shows a case in which the resin is formed in a polymerized state.

First, referring to FIG. 9 (a), when the base part 320 is formed of the unpolymerized resin (R), the bracket 300 is placed at the bracket fixing position set on the patient's teeth 400. After positioning, by polymerizing the resin (R), the bracket 300 can be fixed to the patient's teeth 400 .

Then, referring to Figure 9 (b), when the base portion 320 is formed of the polymerized resin (R), by applying the adhesive (B) to one surface of the base portion 320, the patient's By adhering to the bracket fixing position of the tooth 400, the bracket 300 can be fixed. Here, the adhesive (B) may be implemented using various types of adhesive means, including a photocurable adhesive.

As such, the bracket 300 manufactured according to the manufacturing method 100 of the present invention is custom-formed so that the base part 320 has a curved surface corresponding to one surface of the patient's teeth to which the bracket 300 is attached, so that the correct position can be stably fixed to the

As described above, the best embodiment has been disclosed in the drawings and the specification. Although specific terms are used herein, they are used only for the purpose of describing the present invention and are not used to limit the meaning or scope of the present invention described in the claims. Therefore, it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible therefrom. Therefore, the true technical protection scope of the present invention should be determined by the technical spirit of the appended claims.

200, 200', 200'': real tooth model 210, 210', 210'': model tooth
212: protrusion 214: depression
220, 220': coupling part 222, 222': locking jaw
300, 300': Bracket 310, 310': Bracket body
312, 312': wire receiving portion 320: base portion
400: patient's teeth

Claims (10)

A method of manufacturing an orthodontic bracket having a customized base, comprising:
providing a real tooth model including at least one model tooth corresponding to the patient's teeth, wherein at least one of the model teeth is formed with a coupling portion corresponding to the bracket body;
disposing a resin of a soft material inside the coupling part;
forming the base portion corresponding to at least one surface of the model tooth by coupling the bracket body portion to the coupling portion and pressing the resin; and
Forming the bracket by integrally separating the bracket body and the base from the model teeth,
A locking jaw is formed on the inside of the coupling part to protrude,
In the forming of the base part, when the bracket body part is coupled, the bracket body part is spaced apart from the model tooth by the locking jaw, whereby the base part is formed to have a predetermined thickness or more. delete The method of claim 1,
Further comprising the step of setting a bracket fixing position on the patient's teeth based on the orthodontic information of the patient,
The coupling part is formed on at least one of the model teeth in correspondence to the bracket fixing position. The method of claim 1,
The method further comprising the step of applying a separating agent to an area located inside the coupling part among one surface of the model tooth on which the coupling part is formed,
The step of applying the separation agent is performed prior to the step of disposing the resin. 5. The method of claim 4,
The step of forming the bracket is performed by integrally separating the bracket body part and the base part from the model teeth in a state in which the resin forming the base part is not polymerized. The method of claim 1,
The step of forming the base portion comprises the step of polymerizing the resin to a predetermined strength or more. The method of claim 1,
An uneven portion is formed on one surface of the bracket body portion in contact with the resin,
In the step of forming the base part, the adhesive strength between the bracket body part and the resin is formed to be greater than the adhesive strength between the model tooth and the resin by the uneven part. The method of claim 1,
A protrusion is formed on the inside of the coupling part on the model tooth,
In the step of forming the base part, the thickness of the base part is adjusted according to a distance between the one surface of the bracket body part in contact with the resin and the protrusion part. The method of claim 1,
A depression is formed on the inside of the coupling part in the model tooth,
In the step of forming the base portion, the thickness of the base portion is adjusted according to a distance between the one surface of the bracket body portion in contact with the resin and the depression portion spaced apart. The method of claim 1,
The bracket body, a wire receiving portion to which the orthodontic wire is coupled is formed, the method.

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