KR20210003589A - Orthodontic bracket for self ligation - Google Patents

Abstract

Disclosed is a self-ligating orthodontic bracket. The self-ligating orthodontic bracket according to an embodiment of the present invention includes: a bracket main body having a side where a tooth attachment surface is formed; a wire holder coupled to the bracket main body and provided with a slot where an orthodontic wire is disposed during insertion; and a rotary elastic cover for slot opening and closing partially surrounding the outer wall of the wire holder, elastically coupled to the outer wall of the wire holder, and being rotatable to a shielding position where the slot is shielded and an open position where the slot is opened for slot opening and closing. The rotary elastic cover for slot opening and closing is a wire-type cover.

Description

Orthodontic bracket for self ligation

The present invention relates to an orthodontic bracket, and more particularly, to a self-ligation type orthodontic bracket that can perform the installation or separation of the orthodontic wire much more conveniently and conveniently than in the prior art.

In dentistry, occlusion refers to a state in which the upper and lower teeth engage with each other when the mouth is closed.

On the other hand, malocclusion refers to an occlusal relationship in which teeth are arranged unevenly due to some reason, or the interlocking state of the upper and lower teeth is out of the normal position, causing an aesthetic and functional problem.

The cause of malocclusion is generally known to have a large genetic effect, and can be caused by various causes, such as problems with the shape or size of teeth, environmental influences, poor habits, incorrect posture, and congenital disorders such as dental caries.

Treatment of malocclusion is of course for aesthetic reasons, but it is enough to play the role of the mouth and teeth by improving the interlocking of the upper and lower teeth, allowing them to chew food evenly, making accurate pronunciation, and improving oral hygiene. Its purpose is to make it possible to do it all.

The tooth has a property of moving when it receives a certain force, and it is orthodontic treatment that uses this property, and a brace as a mechanical auxiliary device is used for this treatment.

Until recently, various types and types of orthodontic braces have been developed and used for orthodontic treatment, but fixed orthodontic braces are used to correct by pulling or pushing an arch-shaped orthodontic wire to the slot of the bracket attached to the tooth surface. It has been generally used.

In the case of such a fixed orthodontic brace, while there are advantages such as convenience of installation of a bracket on the smooth outer surface of the teeth, in order to fix the orthodontic wire to the bracket, for example, an elastic O-ring or a ligation wire Since it is necessary to tie the fixing member to the bracket one by one, it requires a lot of time and effort for the procedure, and it has a disadvantage that the patient can easily feel pain.

In order to solve the shortcomings of the conventional fixed orthodontic braces as described above, a self ligation bracket capable of fixing the orthodontic wire by a so-called one touch method is widely used. Yega Korean Intellectual Property Office Application No. 10-2013-7006767, Korean Intellectual Property Office Application No. 10-2010-0036792, Korean Intellectual Property Office Application No. 10-2010-7017923, Korean Intellectual Property Office Application No. 10-2011-0005792, Korea Korean Patent Publication No. 10-2013-0070916 (published on June 28, 2013), U.S. Patent Publication No. 2017-0086948 (published on March 30, 2017), including Patent Office Application No. 10-2011-0145464, etc. ), etc. are widely known.

Such self-ligating orthodontic brackets do not wrap and tighten the orthodontic wires one by one as in the conventional method, but by fixing the actuating member in the form of an elastic clip or cap, or a plate or cover in one-touch operation, for example. It is easily and conveniently fixed. Therefore, as an additional fixing member such as an elastic O-ring or a ligating wire for fixing the correction wire is excluded, the frictional force between the bracket and the wire is reduced, so that the correction period is relatively short, and pain and foreign body sensations are also reduced.

On the other hand, among the self-ligating orthodontic brackets, the type that prevents the separation of the calibration wire in the form of a cover to prevent separation of the calibration wire, the so-called passive type of self-ligating orthodontic bracket, due to the gap between the calibration wire and the cover. There is a disadvantage that it is not easy to adjust the rotation torque.

Accordingly, a so-called active type self-ligating orthodontic bracket 1 for solving this point has been proposed, and drawings thereof are shown in FIGS. 1 and 2.

FIG. 1 is an exploded perspective view of a self-ligating orthodontic bracket according to the prior art, and FIG. 2 is a side view showing a use state of FIG. 1.

Referring to these drawings, a conventional self-ligating orthodontic bracket 1 called an active type includes a bracket body 10 having a slot 11 in which a correction wire W is disposed, and a slot 11 ) It includes an elastic clip 20 that is elastically coupled to the bracket body 10 to prevent the separation of the calibration wire (W) disposed within.

Accordingly, after disposing the calibration wire (W) in the slot 11 of the bracket body 10 in the direction A of FIG. 1, the elastic clip 20 is coupled to the bracket body 10 in the direction B of FIG. It is possible to draw out the bonding structure like 2.

As previously described, the self-ligation type orthodontic bracket 1 of the same manner as in FIGS. 1 and 2 is a one-touch type, and thus is currently in the most widely used trend.

However, in the case of the prior art including the above-described prior art, although there is a convenience of a one-touch method, there is a concern that the elastic clip 20 may be removed when opening and closing the slot, as well as holding the elastic clip 20 and holding the bracket. It may be somewhat inconvenient to work because it must be individually inserted into the main body 10, and in particular, when you want to separate the calibration wire (W) from the bracket main body 10, use an elastic clip 20 using a separate tool such as an awl. ), it is necessary to develop a technology for a new concept of orthodontic bracket that is not known before, since the practical convenience of use may be slightly deteriorated.

Korean Patent Publication No. 10-2013-0070916 (published on June 28, 2013) US Patent Publication No. 2017-0086948 (published on March 30, 2017)

Therefore, the technical problem to be achieved by the present invention is to provide a self-ligating orthodontic bracket that can perform the installation or separation of the orthodontic wire much more conveniently and conveniently than in the prior art.

According to an aspect of the present invention, a bracket body having an attachment surface attached to the teeth formed on one side; A wire holder coupled to the bracket body and having a slot disposed while a calibration wire is inserted; And opening and closing a slot that is elastically coupled to the outer wall of the wire holder while partially surrounding the outer wall of the wire holder, and rotatable to an open position in which the slot is opened for opening and closing the slot, and a shielding position in which the slot is shielded. It includes a rotary elastic cover for, and the slot opening and closing rotary elastic cover may be provided with a self-ligating type orthodontic bracket, characterized in that the wire (wire) type.

The bracket body may further include a holder mounting portion on which the wire holder is disposed, and the wire holder may be provided on the bracket body such that both ends thereof are exposed to the outside of the holder mounting portion.

The slot opening/closing rotatable elastic cover includes a plurality of holder coupling portions rotatably coupled to both exposed ends of the wire holder in a ring shape; And a slot opening/closing part integrally connected to the plurality of holder coupling parts and selectively releasing or catching a locking jaw formed on one side of the bracket body to open and close the slot together with the holder coupling part.

One of the wire holder and the holder placing portion is formed with a rotation preventing protrusion preventing arbitrary rotation of the wire holder, and the other of the wire holder and the holder placing portion has a rotation preventing coupling portion to which the rotation preventing protrusion is coupled Can be formed.

A hook portion may be provided on one side of the bracket body to extend in a hook type.

The bracket body may include an attachment plate on which the attachment surface is formed on one side, and an uneven groove may be formed on the attachment surface of the bracket body.

The bracket body may be made of a resin material similar to the color of the teeth, and the wire holder and the rotatable elastic cover for opening and closing the slot may be made of a metal material.

By inserting the wire holder and injection molding the bracket body, the wire holder and the bracket body may be integrally manufactured.

According to the present invention, the installation or separation of the straightening wire can be performed much more conveniently and conveniently than in the prior art.

1 is an exploded perspective view of a self-ligating orthodontic bracket according to the prior art.
Figure 2 is a side view of the use state of Figure 1;
3 is a perspective view of an assembled state of a self-ligating orthodontic bracket according to an embodiment of the present invention.
4 is a view in which the calibration wire is combined in FIG. 3.
5 is an exploded perspective view of FIG. 4.
6 is an enlarged perspective view of the bracket body.
7 is an enlarged perspective view of the opposite side of the rotary elastic cover for opening and closing the slot shown in FIG. 5.
8 to 11 are views stepwise showing a state of use of a self-ligating orthodontic bracket according to an embodiment of the present invention.
12 is a perspective view of an assembled state of a self-ligating orthodontic bracket according to another embodiment of the present invention.
13 is a perspective view of a self-ligation type orthodontic bracket according to another embodiment of the present invention.
14 is an exploded perspective view of FIG. 13.
15 and 16 are views showing step by step a state of use of the self-ligation type orthodontic bracket of FIG.
17 is a cross-sectional view of FIG. 16.

In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the implementation of the present invention, reference should be made to the accompanying drawings illustrating preferred embodiments of the present invention and the contents described in the accompanying drawings.

Hereinafter, the present invention will be described in detail by describing a preferred embodiment of the present invention with reference to the accompanying drawings. The same reference numerals in each drawing indicate the same member.

3 is an assembled perspective view of a self-ligating orthodontic bracket according to an embodiment of the present invention, FIG. 4 is a view in which the orthodontic wire is coupled to FIG. 3, and FIG. 5 is an exploded perspective view of FIG. 4 and FIG. 6 Is an enlarged perspective view of the bracket body, Figure 7 is an enlarged perspective view of the opposite side of the rotary elastic cover for opening and closing the slot shown in Figure 5, Figures 8 to 11 is a self-ligation type orthodontic bracket according to an embodiment of the present invention These are drawings showing the state of use step by step.

Referring to these drawings, the self-ligating orthodontic bracket 100 according to an embodiment of the present invention is made to perform the installation or separation of the orthodontic wire (W) much more conveniently and conveniently than before, It may include a bracket body 110, a wire holder 140 and a rotatable elastic cover 150 for opening and closing the slot.

For reference, in the following, the self-ligating orthodontic bracket 100 according to an embodiment of the present invention includes three parts of the bracket body 110, the wire holder 140, and the rotatable elastic cover 150 for opening and closing the slot. ), but the scope of the present invention is not limited thereto, and when the bracket body 110 and the wire holder 140 are an integral structure, two parts may be sufficiently manufactured.

As will be described later in detail, the self-ligating orthodontic bracket 100 according to the present embodiment is different from the prior art described with reference to Figs. 1 and 2, only the rotational operation of the rotary elastic cover 150 for opening and closing the slot is the correction wire (W) Since it can be installed or removed, the installation or removal of the calibration wire W may be much easier than the conventional one.

In particular, the self-ligation type orthodontic bracket 100 according to the present embodiment is a self-ligation type bracket capable of fixing the calibration wire W by a one-touch method. It can be greatly improved.

Looking at the configuration, first, as shown in detail in Figs. 5 and 6, the bracket body 110 supports the wire holder 140 as a structure attached to the teeth. The bracket body 110 includes an attachment plate 120 and a protrusion 130 for supporting the holder.

The attachment plate 120 is a plate-shaped structure similar to the shape of a tooth surface to be attached. An attachment surface 121 is formed on one side of the attachment plate 120. An adhesive or the like may be applied to the attachment surface 121 and attached to the teeth as shown in FIGS. 8 to 11.

The holder support protrusion 130 is a portion formed to protrude from the central region of the attachment plate 120 rather than the entire region of the attachment plate 120.

A holder coupling groove 131 to which the wire holder 140 is coupled is formed in the holder supporting protrusion 130. The wire holder 140 may be supported by the holder supporting protrusion 130 in a form in which the wire holder 140 is coupled to the holder coupling groove 131 in the form of a hole.

The holder-supporting protrusion 130 is provided with an open position limiting stopper 133, a shielding position limiting stopper 132, and a protrusion 134 for reinforcing a locking function for both providing a click feeling and providing each position. These are parts that interact with the slot opening and closing rotary elastic cover 150 when rotating the slot opening and closing rotary elastic cover 150. Therefore, for the holder support protrusion 130, the open position limiting stopper 133, the shielding position limiting stopper 132, and the protrusion 134 for reinforcing the locking function for both providing a click feeling and the rotational elastic cover 150 for opening and closing the slot are described. Explain together when you do.

In this embodiment, the bracket body 110 may be made of a resin material similar to the color of the teeth. Therefore, not only can the moldability be excellent, but also the disadvantages that are not aesthetically pleasing because they are similar to the color of the teeth can be solved. That is, when the bracket body 110 is made of metal, the color of the teeth is markedly different from the color of the teeth, and therefore the aesthetic appearance may be poor each time the mouth is opened. If it is made of a resin material similar to that, this disadvantage can be eliminated.

Next, the wire holder 140 forms a place in which the calibration wire W is inserted, as shown in FIGS. 4 and 5 and FIGS. 8 to 11. To this end, the wire holder 140 is formed with a slot 141, which is disposed while the calibration wire W is inserted. The slot 141 may have the same shape as the cross-sectional shape of the calibration wire W. The cross-sectional shape of the slot 141 and the calibration wire W is not limited to this embodiment and may be provided in various ways.

The wire holder 140 is coupled to the bracket body 110 to form a body with the bracket body 110. That is, the wire holder 140 may be inserted into the holder coupling groove 131 formed in the bracket body 110, that is, coupled to the bracket body 110 in a form of being fitted, thereby forming a body with the bracket body 110. . If the rigidity can be maintained, the wire holder 140 and the bracket body 110 may be integrally manufactured, and these matters should also be said to belong to the scope of the present invention.

In this embodiment, the wire holder 140 is made of a metal material. As described above, since the bracket body 110 is made of a resin material, not metal, a wire holder 140 is inserted to integrally manufacture the wire holder 140 and the bracket body 110 to form the bracket body. By injection molding 110, the wire holder 140 and the bracket body 110 can be integrally manufactured.

However, the scope of the present invention is not limited to these matters. That is, as described above, in consideration of the fact that the bracket body 110 is made of a resin material similar to the color of the teeth, it may have some elasticity due to the nature of the material, and the wire holder ( If 140) is inserted, the wire holder 140 and the bracket body 110 can form one body as if in the form of a force fit (press-fitting), and all of these matters belong to the scope of the present invention.

In this embodiment, the wire holder 140 has a non-circular cross-sectional structure. In other words, the wire holder 140 has an elliptical cross-sectional structure having a long axis and a short axis as shown in FIG. 8. Therefore, the outer wall of the wire holder 140 generates a difference in radius of curvature for each position, unlike a circle.

The slot 141 disposed while the calibration wire W is inserted is disposed on the short axis. In particular, the depth of the slot 141 may be formed to be longer than half the length of the short axis.

And in this embodiment, the wire holder 140 is inserted into the holder coupling groove 131 such that the long axis is arranged in a horizontal state with the long axis parallel to the attachment plate 120, that is, Fig. 8 Are combined.

Due to the structural feature of the wire holder 140, that is, the elliptical cross-sectional structure, the outer wall generates a difference in the radius of curvature for each position, so that the slot 141 in a one-touch form during the rotation operation of the rotary elastic cover for opening and closing the slot 150 ) Can be easily opened and closed.

On the other hand, the rotary elastic cover 150 for opening and closing the slot, as shown in Figs. 3 and 4, and 8 to 11, while partially surrounding the outer wall of the wire holder 140 to the outer wall of the wire holder 140 It is a thin sheet metal plate that is elastically bonded. That is, the thin metal sheet may be cut, bent, and bent to fabricate a rotating elastic cover 150 for opening and closing a slot having elasticity. That is, the rotary elastic cover 150 for opening and closing the slot applied to this embodiment is applied in a plate type.

Such a slot opening and closing rotary elastic cover 150 is a pair of annular shapes disposed to partially surround the outer wall of the wire holder 140 in both regions of the holder support protrusion 130 as enlarged in FIGS. 5 and 7 The elastic plate 151 and the pair of annular elastic plates 151 are connected to and supported between the pair of annular elastic plates 151, but include a connection support 152 disposed in the region of the holder support protrusion 130 do.

The pair of annular elastic plates 151 have the same structure. In other words, it takes a circular shape. However, the annular elastic plate 151 is not a complete ring structure like a closed loop, and has an open loop shape with one side open.

In addition, the annular elastic plate 151 has a property of being elastically biased in a constricted direction. Therefore, in normal times, it has the same shape as the drawings of FIGS. 5 and 7, but if the annular elastic plate 151 is forcibly opened, the open portion of the annular elastic plate 151 may be wide open. Of course, when the force that spreads the annular elastic plate 151 is removed, it returns to the figure of FIGS. 5 and 7 again.

The connection support 152 is a portion that connects the pair of annular elastic plates 151 and is disposed in the region of the protrusion 130 for supporting the holder. The connection support 152 interacts with the above-described holder support protrusion 130 with an open position limiting stopper 133, a shielding position limiting stopper 132, and a protrusion 134 for reinforcing a locking function for providing a click feeling.

In this way, the rotary elastic cover 150 for opening and closing the slot is elastic on the outer wall of the wire holder 140 while partially enclosing the outer wall of the wire holder 140 with a pair of annular elastic plates 151 as shown in FIGS. 3 and 4. The slot 141 formed in the wire holder 140 when rotated in the +R direction of FIG. 10 (clockwise direction in the drawing) or ??R direction (counterclockwise direction in the drawing) of FIG. Can be opened and closed. That is, in this embodiment, the rotary elastic cover 150 for opening and closing the slot is an open position in which the slot 141 is opened for opening and closing the slot 141 (see FIG. 10) and a shielding position in which the slot 141 is shielded (Fig. 11) can be rotated.

In other words, the rotary elastic cover 150 for opening and closing the slot applied to this embodiment is rotated clockwise or counterclockwise on the outer wall of the wire holder 140 based on the difference in the radius of curvature of the wire holder 140 141) can be opened and closed.

That is, when the rotary elastic cover 150 for opening and closing the slot is rotated in the +R direction (clockwise direction in the drawing) of FIG. 10, the open portion of the annular elastic plate 151 is directed toward the slot 141, at this time, the wire holder 140 The slot 141 may be opened by forcibly opening the annular elastic plate 151 according to the curvature of the long axis side.

On the contrary, when the rotational elastic cover 150 for opening and closing the slot is rotated in the ??R direction (counterclockwise in the drawing) of FIG. 11, the force that forcibly spreads the annular elastic plate 151 disappears. The slot 141 may be shielded by elastically narrowing the annular elastic plate 151 again according to the curvature of the minor axis side of 140 ).

Meanwhile, as described above, the rotary elastic cover 150 for opening and closing the slot opens and closes the slot 141 while rotating to an open position (see FIG. 10) and a shielding position (see FIG. 11 ). At this time, it is difficult if the rotary elastic cover 150 for opening and closing the slot is further rotated out of the open position (see FIG. 10) or further rotated out of the shielding position (see FIG. 11). That is, it is convenient from the user's point of view to be stopped at two locations: an open position (see FIG. 10) and a shielding position (see FIG. 11) when the rotational elastic cover 150 for opening and closing the slot 150 rotates. To this end, an open position limiting stopper 133 and a shielding position limiting stopper 132 are provided, and these interact with the connection support 152 of the rotary elastic cover 150 for opening and closing the slot.

The open position limiting stopper 133 (see FIG. 6) is formed on one wall of the holder supporting protrusion 130, and the slot opening and closing rotary elastic cover 150 is shown in FIG. 10 to open the slot 141. When disposed in the open position, it serves to prevent the rotational elastic cover 150 for opening and closing the slot from deviating from the open position (see FIG. 10). That is, the open position limiting stopper 133 takes the form of a groove. When the rotary elastic cover 150 for opening and closing the slot is disposed in the open position of FIG. 10, the connection support 152 is the open position limiting stopper ( When the slot opening and closing rotary elastic cover 150 is placed in the open position of FIG. 10 because it is disposed at 133), it is possible to prevent the slot opening and closing rotary elastic cover 150 from deviating from the open position (see FIG. 10). It becomes.

The shielding position limiting stopper 132 (refer to FIG. 6) is formed on the other side of the protrusion 130 for supporting the holder, and a rotary elastic cover 150 for opening and closing the slot is shown in FIG. 11 to close the slot 141. When disposed in the shielding position, it serves to prevent the rotational elastic cover 150 for opening and closing the slot from deviating from the shielding position (see FIG. 11). The shielding position limiting stopper 132 also takes the form of a groove. When the slot opening/closing rotary elastic cover 150 is disposed in the shielding position of FIG. 11, the connection support 152 is a shielding position limiting stopper ( When the slot opening and closing rotary elastic cover 150 is disposed in the shielding position of FIG. 11 because it is disposed at 132), the slot opening and closing rotary elastic cover 150 can be prevented from deviating from the shielding position (see FIG. 11). It becomes.

In this embodiment, the open position limiting stopper 133 and the shielding position limiting stopper 132 are disposed opposite to each other with the holder coupling groove 131 interposed therebetween, and the shielding position limiting stopper 132 is an open position limiting stopper 133 ) May be disposed closer to the attachment plate 120 than. This is due to the difference in shape between the wire holder 140 and the rotary elastic cover 150 for opening and closing the slot, and the shielding position limiting stopper 132 is disposed closer to the attachment plate 120 than the open position limiting stopper 133 Accordingly, the opening and closing operation of the slot 141 may be flexible.

In addition, the bracket body 110 of the self-ligating type orthodontic bracket 100 according to the present embodiment is further provided with a protrusion 134 for reinforcing a locking function for giving a click feeling. The protrusion 134 for reinforcing the locking function for both giving a click feeling is disposed around the shielding position limiting stopper 132 in the bracket body 110, and the rotary elastic cover 150 for opening and closing the slot is in an open position (see FIG. 10) and When moving between the shielding positions (see Fig. 11), it serves to provide a feeling of click. The protrusion 134 for reinforcing the locking function for both imparting a feeling of click has a shape in which the outer wall protrudes in the form of an arc.

That is, when rotating the slot opening and closing rotary elastic cover 150 from the open position (see Fig. 10) to the shielding position (see Fig. 11) or from the shielding position (see Fig. 11) to the open position (see Fig. 10), The connection support 152 moves over and over the protrusion 134 for reinforcing the locking function for providing a click feeling in the shape of a hill. Therefore, the operator may be given a click feeling that the rotating elastic cover 150 for opening and closing the slot is rotated. In fact, since a slight sound may be generated while the connection support 152 crosses the protrusion 134 for reinforcing the locking function for both providing a click feeling and a locking function, the working efficiency may be increased.

In addition, when the rotational elastic cover 150 for opening and closing the slot is rotated from the open position (see Fig. 10) to the shielding position (see Fig. 11), the connection support 152 is a protrusion for reinforcing a locking function that provides a click feeling in a hill shape. Since it is disposed on the shielding position limiting stopper 132 beyond 134, the locking function of the calibration wire W with respect to the wire holder 140 can be further strengthened.

Hereinafter, the process of using the self-ligation type orthodontic bracket 100 will be briefly described.

In the initial state of FIG. 8 in which the calibration wire (W) is not yet installed, the rotary elastic cover 150 for opening and closing the slot as shown in FIG. 9 to 10 is rotated in the +R direction (clockwise direction in the drawing). Then, the opening portion of the annular elastic plate 151 forming the slot opening and closing rotary elastic cover 150 is directed toward the slot 141, at which time the annular elastic plate 151 is forced according to the curvature of the long axis side of the wire holder 140 The slot 141 may be opened by being opened. At this time, since the connection support 152 moves over and over the protrusion 134 for reinforcing the locking function for both providing a click feeling in a hill shape, a click feeling may be given to the operator.

As shown in FIG. 10, when the slot 141 is opened, a calibration wire W is inserted into the opened slot 141 and disposed.

After inserting the calibration wire (W), the slot 141 must be shielded so that the calibration wire (W) does not come out of the slot 141. In this case, the rotational elastic cover 150 for opening and closing the slot is rotated in the ??R direction of FIG. 11 (counterclockwise direction in the drawing). Then, since the force that was forcibly spreading the annular elastic plate 151 forming the slot opening and closing rotary elastic cover 150 disappears, the annular elastic plate 151 burns again according to the curvature of the short axis side of the wire holder 140. By being narrowed sexually, the slot 141 may be shielded. At this time, since the connection support 152 moves over and over the protrusion 134 for reinforcing the locking function for both providing a click feeling in a hill shape, a click feeling may be given to the operator.

According to the present embodiment having the structure and operation as described above, it is possible to perform the installation or separation operation of the calibration wire (W) much more conveniently and conveniently than in the prior art.

12 is a perspective view of an assembled state of a self-ligating orthodontic bracket according to another embodiment of the present invention.

Referring to this drawing, the self-ligating orthodontic bracket 200 according to the present embodiment is also elastic on the outer wall of the bracket body 210 and the wire holder 240 and the wire holder 240 constituting one body. Doedoe coupled to the open position (see Fig. 10) or the shielding position (see Fig. 11) while rotating to open and close the slot 241 of the wire holder 240 may include a rotary elastic cover 150 for opening and closing the slot.

In this embodiment, the structure and role of the rotary elastic cover 150 for opening and closing the slot is the same as the above-described embodiment. Therefore, a redundant description of the rotary elastic cover 150 for opening and closing the slot in this embodiment will be omitted.

Meanwhile, the bracket body 210 applied to the present embodiment also includes an attachment plate 220 and a protrusion 230 for holder support, as in the above-described embodiment. However, the bracket body 210 applied to the present embodiment differs from the above-described embodiment in that a hook-type hook portion 215 is further provided on one side of the holder supporting protrusion 230. The hook portion 215 may be provided to extend to one side in the open position limiting stopper 133 area.

When the self-ligating orthodontic bracket 200 according to the present embodiment is used for the orthodontic treatment, the hook portion 215 is a self-ligating orthodontic bracket 200 or a tooth, or a separate tooth fixture. For an elastic connection with, for example, it may be used as a place where a rubber band or the like is caught or coupled. Therefore, when the hook portion 215 is further provided as in this embodiment, the convenience of work for orthodontic treatment can be greatly improved.

In this embodiment, an inclined wall 242 is formed on one side of the outer wall of the wire holder 240 on which the slot 241 is formed. In this embodiment, a plurality of inclined walls 242 are applied. That is, when viewed from the front, the wire holder 240 applied to this embodiment has a triangular shape on one side thereof. The inclined wall 242 may assist to facilitate the installation or rotation of the rotary elastic cover 150 for opening and closing the slot.

Even if the present embodiment is applied, the installation or separation operation of the calibration wire (W, see FIG. 4) can be performed much more conveniently and conveniently than in the prior art.

13 is a perspective view of a self-ligating orthodontic bracket according to another embodiment of the present invention, FIG. 14 is an exploded perspective view of FIG. 13, and FIGS. 15 and 16 are a self-ligating orthodontic bracket of FIG. These are drawings showing the use state step by step, and FIG. 17 is a cross-sectional view of FIG. 16.

Referring to these drawings, the self-ligating orthodontic bracket 300 according to this embodiment also includes a bracket body 310 attached to a tooth, a wire holder 340 having a slot 341, and a wire holder It may include a rotary elastic cover 350 for opening and closing the slot for elastically opening and closing the slot 341 of (340).

As mentioned above, if the bracket body 310 and the wire holder 340 are integrated, the self-ligating orthodontic bracket 300 according to the present embodiment may be manufactured in 2 parts, and the bracket body 310 If the wire holder 340 is a detachable type, the self-ligating type orthodontic bracket 300 according to the present embodiment may be manufactured in 3 parts.

Looking at each configuration, first, the bracket body 310 supports the wire holder 340 as a structure attached to the teeth.

An uneven groove 321a is formed on the attachment surface 321 of the bracket body 310. An adhesive or the like for attachment can be accommodated in the uneven groove 321a, thereby increasing the adhesion of the bracket body 310 to the teeth.

A locking protrusion 323 is formed on one side of the bracket body 310. The locking jaw 323 forms a place where the rotational elastic cover 350 for opening and closing the slot as shown in FIGS. 16 and 17 is caught.

A hook portion 324 is provided on the opposite side of the bracket body 310 to the hooking protrusion 323 to extend in a hook type.

As previously described, when the self-ligating orthodontic bracket 300 according to this embodiment is used for the orthodontic treatment, the hook portion 324 is a neighboring self-ligating orthodontic bracket 300 or a tooth, or For elastic connection with a separate tooth fixture, for example, it may be used as a place where a rubber band or the like is caught or coupled. Of course, since the hook portion 324 is not necessarily formed, it should be said that the self-ligating orthodontic bracket without the hook portion 324 also belongs to the scope of the present invention.

The bracket body 310 is formed with a holder placing portion 311 on which the wire holder 340 is disposed. The holder placement part 311 may be formed in a region between the locking protrusion 323 and the hook part 324.

Next, the wire holder 340 forms a place in which the calibration wire W is inserted. To this end, the wire holder 340 is formed with a slot 341 (slot) in which the calibration wire W is inserted.

In this embodiment, the wire holder 340 has a substantially circular cross-sectional structure, unlike the above-described embodiment.

Therefore, if the wire holder 340 and the bracket body 310 are manufactured and assembled in a separate type, the wire holder 340 may be arbitrarily rotated within the holder arranging unit 311, and to prevent this, a protrusion for preventing rotation (310a) and the rotation preventing coupling portion (340a) is formed.

In this embodiment, the rotation preventing protrusion 310a is formed on the bracket body 310, and the rotation preventing coupling part 340a is formed on the wire holder 340, and the wire holder 340 is formed in the holder arranging part by their action (311) Do not go idle within.

Of course, unlike the drawings, the rotation preventing protrusion 310a is formed on the wire holder 340, and the rotation preventing coupling part 340a may be formed on the bracket body 310, all of which fall within the scope of the present invention. It must be said that it belongs.

And, if the wire holder 340 and the bracket body 310 are integral, it is not necessary to form the rotation preventing protrusion 310a and the rotation preventing coupling part 340a, but these matters also belong to the scope of the present invention. You will have to do it.

On the other hand, the rotational elastic cover 350 for opening and closing the slot is a structure selectively coupled to the bracket body 310 while partially surrounding the wire holder 340, based on the rotational operation of the slot 341 of the wire holder 340 It serves to open and close.

The rotary elastic cover 350 for opening and closing the slot applied to this embodiment is manufactured in a wire type having a certain cross-sectional area, for example, a circular cross-sectional area. Of course, even if the rotary elastic cover 350 for opening and closing the slot applied to this embodiment is manufactured in a wire type, its role is the same as that of the above-described embodiment.

The slot opening and closing rotary elastic cover 350 is integrated with a plurality of holder coupling portions 351 rotatably coupled to the exposed ends of the wire holder 340 in a ring shape, and a plurality of holder coupling portions 351 The slot opening and closing part 352 which is connected and opens and closes the slot 341 of the wire holder 340 together with the holder coupling part 351 while selectively releasing or catching the locking projection 323 formed on one side of the bracket body 310 ).

In this embodiment, the holder coupling portion 351 is applied as a pair, and the slot opening and closing portion 352 has a structure of a connecting rod connecting the pair of holder coupling portions 351. Therefore, since the structure is very simple, not only the convenience of manufacturing is increased, the operation is convenient, and the manufacturing cost can also be reduced.

The operation of the self-ligation type orthodontic bracket 300 of this configuration will be described.

In an initial state in which the calibration wire (W) is not yet installed, the rotary elastic cover 350 for opening and closing the slot is rotated in the direction of the arrow as shown in FIG. 15. Then, the slot opening and closing portion 352 of the rotary elastic cover 350 for opening and closing the slot is directed toward the hook portion 324 while leaving the locking jaw 323 of the bracket body 310, and the slot 341 is opened by this action. I can. When the slot 341 is opened, a calibration wire W is inserted and placed in the opened slot 341.

Subsequently, the rotary elastic cover 350 for opening and closing the slot is rotated in the direction of the arrow in FIG. 16. Then, the slot opening and closing portion 352 of the rotary elastic cover 350 for opening and closing the slot is caught by the locking projection 323 of the bracket body 310 so that the slot 341 can be shielded, whereby the calibration wire (W) is It can be placed firmly without leaving the seat.

Even if this embodiment is applied, the installation or separation of the calibration wire W can be performed much more conveniently and conveniently than in the prior art.

As described above, the present invention is not limited to the described embodiments, and it is obvious to those of ordinary skill in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, it should be said that such modifications or variations belong to the claims of the present invention.

300: self-ligation type orthodontic bracket W: orthodontic wire
310: bracket body 340: wire holder
350: rotary elastic cover for opening and closing slots 351: holder coupling portion
352: slot opening and closing part

Claims (8)

A bracket body having an attachment surface attached to the teeth formed on one side;
A wire holder coupled to the bracket body and having a slot disposed while a calibration wire is inserted; And
For opening and closing a slot that is elastically coupled to the outer wall of the wire holder while partially enclosing the outer wall of the wire holder, and rotatable to an open position in which the slot is opened for opening and closing the slot, and a shield position in which the slot is shielded It includes a rotating elastic cover,
The slot opening and closing rotational elastic cover is a self-ligating type orthodontic bracket, characterized in that made of a wire (wire) type. The method of claim 1,
The bracket body further includes a holder arrangement portion on which the wire holder is disposed,
The wire holder is a self-ligating type orthodontic bracket, characterized in that provided on the bracket body so that both ends thereof are exposed to the outside of the holder mounting portion. The method of claim 2,
The slot opening and closing rotary elastic cover,
A plurality of holder coupling portions rotatably coupled to both exposed ends of the wire holder in a ring shape; And
A person comprising a slot opening/closing part integrally connected to the plurality of holder coupling parts and selectively releasing or catching a locking jaw formed on one side of the bracket body to open and close the slot together with the holder coupling part. Ligation orthodontic bracket. The method of claim 2,
One of the wire holder and the holder placing portion is formed with a rotation preventing protrusion preventing arbitrary rotation of the wire holder, and the other of the wire holder and the holder placing portion has a rotation preventing coupling portion to which the rotation preventing protrusion is coupled Self-ligated orthodontic bracket, characterized in that formed. The method of claim 1,
Self-ligating orthodontic bracket, characterized in that a hook portion is provided to extend in a hook type on one side of the bracket body. The method of claim 1,
The bracket body includes an attachment plate on which the attachment surface is formed on one side,
Self-ligation type orthodontic bracket, characterized in that the uneven groove is formed on the attachment surface of the bracket body. The method of claim 1,
The bracket body is made of a resin material similar to the color of the teeth,
The wire holder and the rotating elastic cover for opening and closing the slot is a self-ligating type orthodontic bracket, characterized in that made of a metal material. The method of claim 1,
The wire holder and the bracket body are integrally manufactured by inserting the wire holder to injection-molding the bracket body.

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