KR101997553B1 - Zig For Positioning Braket And Method Thereof - Google Patents

Abstract

The present invention relates to a jig for a bracket position guide and a method of manufacturing the same, and more particularly, to a jig for a bracket position guide for fixing a bracket used for lingual correction to an exact mounting position of a tooth and a method of manufacturing the same The present invention relates to a jig for a bracket position guide capable of attaching a bracket to an accurate position by minimizing a manufacturing error and manufacturing the bracket by manufacturing the bracket by 3D modeling together with the bracket.

Description

Technical Field [0001] The present invention relates to a jig for a bracket position guide,

The present invention relates to a jig for a bracket position guide and a method of manufacturing the same, and more particularly, to a jig for a bracket position guide for fixing a bracket used for lingual correction to an exact mounting position of a tooth and a method of manufacturing the same The present invention relates to a jig for a bracket position guide capable of attaching a bracket to an accurate position by minimizing a manufacturing error and manufacturing the bracket by manufacturing the bracket by 3D modeling together with the bracket.

The orthodontic appliance is widely used for orthodontic treatment not only for dentate teeth, stone entry, and malocclusion, but also for cosmetic purposes through straightening of distorted teeth and a balanced contour.

The orthodontic appliance includes a metal calibration device for fixing a metal bracket to the front of the tooth, a ceramic calibration device for fixing a ceramic bracket similar to a tooth color to the front of the tooth, a lingual correction device for fixing the bracket to the inside of the tooth, And a transparent correcting device for wearing the tooth on a tooth like a mouthpiece.

Of these, lingual orthodontic appliances with excellent orthodontic effect are widely used without the orthodontic device being recognized outside.

In the lingual orthodontic appliance, the bracket is fixed to the inside of the teeth and the lingual tooth surface, and the orthodontic effect is generated by moving the tooth according to the expansion force of the orthodontic wire by connecting the orthodontic wire connected between the tube and the tube.

The lingual orthodontic appliance is advantageous in that it is not visible to the outside because the bracket is formed on the inside and the lingual side of the tooth and the correction period is short because the tooth is corrected by the expansion force of the orthodontic wire. However, There is a problem in that the correction ability is poor.

In order to solve the above problems, a jig for guiding the mounting position of the bracket is used. However, the conventional jig has a problem that the accurate position alignment function of the individual bracket itself deteriorates because the bracket is guided while the wires are connected to the bracket.

In addition, since the gypsum tooth model is manufactured by pouring the synthetic resin solution into the mold and curing it, the productivity is lowered and the accuracy is lowered due to the manufacturing error.
In Korean Patent No. 10-1680430 (published on November 29, 2016), a bracket can be attached to an accurate position by forming a jig through 3D modeling with a bracket, a bracket for minimizing manufacturing errors, A jig for a position guide and a manufacturing method thereof have been disclosed.
However, even if the bracket can be guided to the correct position, there is a problem that the bracket can not be attached to the irregular tooth surface so that the bracket can be attached thereto, resulting in poor adhesion due to lifting or incomplete attachment of the bracket.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a jig for a bracket position guide capable of guiding an individual bracket for lingual orthodontic attachment to an exact position of a tooth and a method of manufacturing the same.

According to an aspect of the present invention, there is provided a bracket position guide jig comprising: a jig body having a tooth receiving portion for receiving a shape of a tooth on an inner side; And a bracket accommodating portion to which a bracket to be attached to a tooth is mounted on an inner surface of the body; And a pressing part protruding in an embossed shape is formed inside the tooth receiving part of the jig body so as to fix the bracket at an accurate position and to increase the adhesive force.

The pressing portion is characterized by being formed into a strip shape, a projection, or a combination thereof.

When the pressing part is formed as a protrusion, the pressing part is formed in the center of the bracket in a region contacting with the bracket so as to press the center of the bracket in a direction perpendicular to the mounting plane of the bracket, or the tooth attaching surface of the bracket is not flat, And is formed in a portion that presses the attaching fragile portion vertically so as to press the attaching fragile portion when adhesion is expected to occur.

And when the plurality of pressing portions are formed, the pressing portion is formed in a uniform distribution among areas in contact with the bracket for uniform pressing of the bracket.

The outer side of the tooth of the jig body is formed to have a size covering 1/3 to 2/3 of the tooth, and the inner side is formed to have a size that completely covers the teeth.

According to another aspect of the present invention, there is provided a system for generating a jig model for a bracket position guide, comprising: a bracket setting unit for setting a bracket at a correct position of a tooth requiring correction; A jig for setting a jig for accommodating and fixing the bracket and the teeth in a state in which the bracket is formed on the inside of the bracket accommodating portion and for pressing the bracket to fix the bracket to the correct position of the tooth, Wealth; And a database for storing and managing tooth data of the patient, basic bracket, and basic jig data.

The bracket setting unit arranges the basic bracket on the selected tooth requiring correction from among the 3D tooth data of the patient, adjusts the height of each bracket so as to be constant and arranges each bracket in parallel with the inner side surface of the teeth And a bracket is set.

The bracket setting unit designates a tooth requiring a bracket and measures a minimum height from the gum boundary at which the bracket can be installed to the lower end of the bracket in consideration of the size of the bracket with respect to each tooth; Placing a bracket on the basis of a tooth having a maximum value Max among the measured minimum heights; Creating an ideal arch line with respect to the lower end of the disposed bracket; Disposing a bracket for the remaining teeth on the ideal arch line; The position of each bracket is adjusted so that the bracket is positioned at the center of the tooth by matching the baseline of each tooth with respect to the placed bracket and the bracket is set on the tooth by adjusting the direction of the individual bracket so that the individual bracket is horizontal to the tooth surface .

Wherein the jig setting portion generates a basic jig, creates the pressing portion, processes the basic jig into a shape for simultaneously accommodating the teeth set with the bracket, and sets a jig in each tooth; And the pressing portion is formed in a shape of protrusions, strips, or a combination thereof protruding from the inner side of the tooth receiving portion.

When the pressing portion is formed as a protrusion, the jig setting portion is formed in the center of the bracket in an area contacting the bracket so as to press the center of the bracket in a direction perpendicular to the mounting plane of the bracket, or the tooth attaching surface of the bracket is not flat, In a portion which presses the attaching fragile portion vertically so as to press the attaching fragile portion when it is expected that lifting or incompletely attaching of the attaching weak portion is likely to occur.

The bracket position guide jig according to the present invention provides an excellent effect of maximizing the correcting effect by guiding the bracket to be attached to the correct position of the teeth.

Also, by manufacturing the jig together with the bracket through 3D modeling, there is an excellent effect of improving the yield and increasing the productivity by minimizing the manufacturing error as well as the accuracy of the bonding.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a bracket position guide jig according to a preferred embodiment of the present invention.
FIG. 2 schematically shows the formation of a pressing part according to a preferred embodiment of the present invention.
3 is a system configuration diagram schematically showing a jig model generation system for a bracket position guide according to a preferred embodiment of the present invention.
4 is a flowchart schematically showing a method of manufacturing a jig for a bracket position guide according to a preferred embodiment of the present invention.
5 is a process diagram schematically showing a method of manufacturing a jig for a bracket position guide according to a preferred embodiment of the present invention.
FIG. 6 illustrates a process of aligning the brackets according to a preferred embodiment of the present invention.

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

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of a bracket position guide jig according to a preferred embodiment of the present invention.

1, the bracket position guide jig according to the present invention includes a jig body 20 having a tooth receiving portion 210 for receiving the shape of teeth on its inner side, a jig body 20 having a bracket receiving portion (220).

The jig body 20 may be formed with a jig identification symbol formed in the shape of a relief or an obtuse to identify the individual jig on the outer side of the lingual side. The jig identification symbol may be formed of the number of teeth to be accommodated.

The outer side of the teeth of the jig body 20 is formed to have a size covering 1/3 to 2/3 of the teeth, preferably a size covering 1/2 of the teeth, and a tooth inner side is formed to have a size that completely covers teeth .

Here, since the outer side of the tooth serves to cover the teeth in the form of hooks, it is not necessary to cover the whole of the outer side of the teeth, but it is preferable that the teeth are formed to have a size covering only 1/2 of the outer side of the teeth (front teeth).

Since the jig body 20 is configured to be covered with the teeth, the inner side surface is formed in the same geometry as that of the teeth. Therefore, when the bracket is received in the bracket receiving portion 220 on the inner side, Once fixed, the bracket can be attached to the correct position of the tooth.

FIG. 2A schematically shows the pressing part 230 formed in the jig body 20 according to the present invention.

The jig has a function of fixing the bracket to the correct position of the tooth. However, as described above, the jig body 20 is provided with the pressing part 230 so as to fix the bracket to the correct position and apply pressure to attach the bracket to the correct position And may be configured to increase the adhesive force of the bracket.

When the jig fixes only the position of the bracket, since the surface of the tooth is generally uneven, a slight error may occur at the actual attachment position of the bracket. Therefore, the pressing portion presses the bracket so that the bracket is accurately attached to the correct position, so that the attachment accuracy and adhesion of the bracket can be increased.

The pressing portion 230 may be configured to press in a direction perpendicular to the mounting plane of the bracket, and may be constituted by at least one protrusion.

The pressing portion 230 is formed at the center of the bracket among the regions abutting against the bracket so as to press the center of the bracket in a direction perpendicular to the plane of attachment of the bracket as shown in FIG. 2B in order to press the bracket .

When a plurality of the pressing portions 230 are formed, it is preferable that the pressing portions 230 are formed in a uniform distribution among areas in contact with the brackets for uniform pressing of the brackets.

In addition, when the tooth attaching surface of the bracket is not flat and it is expected that lifting or incompletely attaching of the bracket will occur, the pressing portion 230 is pressed to the portion where the attaching weak portion is vertically pressed so as to press the attaching weak portion as shown in FIG. .

The pressing part 230 may be formed as a protrusion as shown in FIG. 2d or a band shape as shown in FIG. 2f. Alternatively, the pressing part 230 may be formed by mixing a protrusion and a band. Since the pressing point 230 protrudes at a constant height and presses the bracket, it is obvious that the pressing point 230 may have various shapes protruding at a certain height.

When the height of the pressing point is excessively high, an excessive force is applied to the bracket, which may cause irregularities on the teeth. Therefore, when the height of the pressing point is excessively high, It is preferable to form it so as to have a thickness of 2 mm or less.

3 is a system configuration diagram schematically showing a jig model generation system for a bracket position guide according to a preferred embodiment of the present invention.

3, the system for generating a jig model for a bracket position guide according to the present invention includes a bracket setting unit 110 for setting a bracket at a correct position of a tooth requiring correction, A jig setting unit 120 for setting a jig for receiving and fixing the teeth, and a database 130 for storing and managing the patient's tooth data, basic bracket, and basic jig data.

The bracket setting unit 110 arranges the basic brackets on the selected teeth requiring the correction among the 3D tooth data of the patient, aligns the heights uniformly and positions them in the center of each tooth, As shown in FIG.

The jig setting unit 120 creates a basic jig and processes the basic jig into a shape that simultaneously accommodates the teeth on which the bracket is set, thereby setting a jig in each tooth.

Hereinafter, a method of manufacturing a jig for a bracket position guide according to a specific embodiment of the present invention will be described.

4 is a flowchart schematically showing a method of manufacturing a jig for a bracket position guide according to a preferred embodiment of the present invention.

Referring to FIG. 4, first, a bracket to be attached to a tooth is set.

More specifically, the 3D tooth data of the scanned patient is retrieved as shown in FIG. 5A.

The 3D tooth data is tooth data of the patient's current state, and can be obtained by 3D scanning of a tooth bone, and can be obtained by directly scanning a patient's tooth through a 3D scanner.

Next, a tooth requiring lingual correction is selected from the 3D tooth data, and a basic bracket to be attached to the selected tooth is loaded as shown in FIG. 5B. Here, the basic 3D bracket means basic bracket data in which the direction and angle are not adjusted.

The bracket setting portion aligns the basic brackets by positioning them on the inner surfaces of the selected teeth that need to be calibrated, respectively, as shown in FIG. 5C.

More specifically, it is important that the brackets are formed at a constant height since the brackets are inserted and the correcting force is provided, so that it is important to position the bracket setting portions so as to be aligned with the ideal arch lines.

In addition, since the bracket has a large area to be attached to the inner side of the tooth, the bracket setting part can arrange the basic bracket to be disposed in each tooth so that the contact area of the inner side of the tooth is maximized, Arrange regularly.

FIG. 6 illustrates a process of aligning the brackets according to a preferred embodiment of the present invention.

More specifically, the bracket setting unit first designates a tooth requiring a bracket as shown in (A) of FIG. 6A, calculates a minimum height from the gum boundary where the bracket can be installed to the bottom of the bracket .

The bracket is disposed on the basis of a tooth having a maximum value Max among the measured minimum heights, and an ideal arch line is generated based on the lower end of the bracket arranged as shown in (B) The brackets for the remaining teeth are placed on the ideal arch line.

In general, brackets are preferably placed as close as possible to the root of the tooth to increase the orthodontic force, and preferably as low as possible in the tooth.

Accordingly, it is possible to arrange the teeth C with the maximum value Max among the minimum heights as a reference, but to arrange the tooth at the lowest height along the ideal arch line.

Next, align the brackets with the baseline of each tooth to adjust the position of the individual brackets so that the brackets are at the center of the teeth, and adjust the orientation of the individual brackets so that the individual brackets are level with the tooth surface.

Then, as shown in (D), the direction of the individual brackets is adjusted so that the individual brackets are level with the inner side of the teeth.

If the individual brackets are not located in the center of the teeth and are not level with the tooth surfaces, the orthodontic force may act in a different direction or angle than the teeth direction, which may adversely affect the overall orthodontic force.

When the setting of the bracket is completed as described above, the jig setting unit sets the jig that simultaneously receives the tooth and the bracket with the bracket set on the tooth.

More specifically, the jig setting unit creates a basic jig to be applied to a tooth set with a bracket as shown in FIG. 5D, and sets the jig by processing the basic jig into a shape that simultaneously accommodates the bracket and the teeth, as shown in FIG. 5E.

The basic jig may be formed in a geometry that can be worn by receiving a shape in a tooth before a bracket is formed in the tooth.

The basic jig means a state in which the bracket receiving portion is not formed on the inner side of the jig body. The basic jig is formed in the form of a hook for receiving the teeth, and the front surface of the tooth is formed to have a size covering 1/3 to 2/3 And the rear surface (lingual side) of the teeth can be formed to have a size covering the entire rear surface of the tooth which does not touch the gums (gums).

Since the back side of the tooth (lingual side) is the part where the bracket is fixed, the wider the jig body area, the more reliable guide can be provided at the correct position. However, when the gingival is contacted, it gives a pressing force to the gingival so that side effects such as inflammation may occur. It is preferable to form it in such a size as not to be limited.

Here, a pressing portion 130 is formed inside the bracket receiving portion 120 of the jig by pressing the bracket to fix the bracket to the correct position and to increase the attachment force of the bracket.

Since the generation of the pressing unit 130 has been described in detail with reference to FIG. 2, a detailed description thereof will be omitted.

Then, the jig setting unit completes the jig setting by matching the basic jig with the bracket set on the tooth to remove the bracket area protruding from the inside of the tooth.

Accordingly, a jig for accommodating the teeth and the bracket can be set at the same time.

When the jig is set as described above, the jig is aligned to manufacture the jig.

More specifically, the jig setting unit removes the bracket from the jig, disposes the brackets in the order of the teeth marks, and arranges the jigs in a line by aligning the rotation angle of the jig group composed of a plurality of jigs to 0, as shown in FIG.

Here, the group of jigs may consist of a group of jigs placed on the maxilla of the patient or placed on the mandible.

Then, the jig setting unit generates a tag in which the jig group identification information is inserted into the arranged jig, and generates a frame for connecting the tag with each jig, so that a jig group composed of a plurality of jig groups, Thereby creating a jig group to be formed.

Here, the jig group identification information may include a name of a patient, information that can specify the use of a jig such as an upper jaw and a mandible.

When the jig group is created as described above, the jig group is printed in 3D through the 3D printer, and the jig is separated from the frame of the jig group to complete the jig.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

110: bracket setting unit 120: jig setting unit
20: jig body 210: tooth receiving part
220: bracket accommodating portion 30: bracket

Claims (10)

A jig body having a tooth receiving portion for receiving a shape of a tooth on an inner surface thereof;
And a bracket accommodating portion to which a bracket to be attached to a tooth is mounted on an inner surface of the body;
A pressing part protruding in a convex shape is formed inside the tooth receiving part of the jig body so as to fix the bracket at an accurate position and to increase the adhesive force;
The pressing portion is formed at the center of the bracket in the region of contact with the bracket so as to press the center of the bracket while pressing in the vertical direction with respect to the mounting plane of the bracket or the bracket is not flattened so that the bracket is lifted or incompletely attached Wherein the jig is formed at a portion that vertically presses the attaching fragile portion so as to press the attaching weak portion.
The method according to claim 1,
The pressing portion
Wherein the jig is formed in a shape of a strip, a projection, or a combination thereof.
delete 3. The method of claim 2,
Wherein when the plurality of pressing portions are formed, the pressing portion is formed to have a uniform distribution in a region in contact with the bracket for uniform pressing of the bracket.
The method according to claim 1,
The tooth outer side of the jig body
Is formed to have a size covering 1/3 to 2/3 of the teeth,
And the medial side is formed to have a size that completely covers the teeth.
A bracket setting unit for setting the bracket at a correct position of the tooth requiring correction;
In order to fix the bracket to the correct position of the tooth, the bracket is pressed and pressed in the vertical direction with respect to the mounting plane of the bracket, but it is formed at the center of the bracket among the areas contacting with the bracket to press the center of the bracket, When the face is not flat and the bracket is expected to be lifted or incompletely attached, an urging portion formed in a portion vertically pressing the attaching weak portion so as to press the attaching weak portion is formed inside the bracket accommodating portion, and the bracket is set on the tooth A jig setting unit for setting a jig to receive and fix the bracket and the teeth in a state where the bracket and the tooth are in a state of being fixed;
And a database for storing and managing tooth data of the patient, basic bracket, and basic jig data.
The method according to claim 6,
The bracket setting portion
Among the 3D tooth data of the patient, the basic brackets are arranged on the selected teeth requiring correction, the height of each bracket is uniformly arranged, and the brackets are set so that each bracket is arranged parallel to the inner side of the teeth in the center of the teeth Wherein said jig model generating system comprises:
8. The method of claim 7,
The bracket setting portion
Designate the teeth requiring brackets and measure the minimum height from the gingival margin at which the bracket can be installed to the bottom of the bracket taking into account the size of the bracket for each tooth; Placing a bracket on the basis of a tooth having a maximum value Max among the measured minimum heights; Creating an ideal arch line with respect to the lower end of the disposed bracket; Disposing a bracket for the remaining teeth on the ideal arch line; The position of each bracket is adjusted so that the bracket is positioned at the center of the tooth by matching the baseline of each tooth with respect to the placed bracket and the bracket is set on the tooth by adjusting the direction of the individual bracket so that the individual bracket is horizontal to the tooth surface A jig model generation system for a bracket position guide.
The method according to claim 6,
The jig setting unit
Creating a basic jig, creating the pressing portion, processing the basic jig into a shape that simultaneously accommodates the teeth set with the bracket, thereby setting a jig in each tooth;
Wherein the pressing portion is formed as a protrusion, a band, or a combination thereof protruding from the inner side of the tooth receiving portion. delete

Images