JPH07124178A - Tooth positioner - Google Patents

Abstract

PURPOSE:To prevent the deviation of the positioner when mounted and K enable a wearer to easily make respiration in a mounted state. CONSTITUTION:This positioner has a bridging part 2 having an approximately U shape similar to a dental arch, an upper orthodontic part 3 which is extended upward from the bridging part 2 and is used for correcting the upper dental arch by enveloping the dental arch and a lower orthodontic part 4 which is extended downward from the bridging part 2 and is used for correcting the lower dental arch by enveloping the dental arch. The inside front surface of the upper orthodontic part is provided with a recessed part 6 for engaging a bracket to be engaged with the bracket mounted on the front surface of the upper crown.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention uses a highly elastic material to move a tooth to an optimal positional relationship without using a band or a wire, and to prevent excessive correction and reversion during dynamic treatment. For Tooth Positioner used for.

[0002]

2. Description of the Related Art In recent years, the demand for orthodontic treatment in dentistry has been increasing. In particular, the tooth positioner used at the final stage of treatment is very effective as a restraint device. This tooth positioner is made of a polymeric material such as medical grade silicone or polyurethane, and is composed of a mouthpiece that is inserted into the oral cavity and wraps the upper and lower dentitions.

[0003]

However, in the conventional tooth positioner, the tooth positioner may be displaced from the tooth when it is mounted, and it is impossible to perform proper correction as a result of insufficient use time.

Further, when the tooth positioner is attached, the oral cavity is blocked. For this reason, the patient feels anxiety that he may be unable to breathe and hesitates to wear it, which hinders the treatment. In addition, the patient may be unable to breathe due to a stuffy nose or the like, and in this case, the patient also hates wearing the tooth positioner.

The present invention has been proposed in view of the problems of the above-mentioned prior art. The object of the present invention is not to shift when worn, and to easily breathe in the worn state. To provide a tooth positioner that can do.

[0006]

In order to solve the above-mentioned problems, in the invention according to claim 1, a bridging portion having a substantially U-shape similar to that of a dental arch and a bridging portion extending upward from the bridging portion. And an upper correction portion for wrapping and correcting the upper dental arch, and a lower correction portion for wrapping and correcting the lower dental arch extending downward from the bridge portion. The tooth positioner is configured by providing a bracket engaging recess for engaging a bracket attached to the upper crown front surface on the inner front surface of the upper correction unit.

According to the second aspect of the present invention, a ventilation port is formed in the bridge portion of the tooth positioner.

According to a third aspect of the invention, the tooth positioner is provided with a plurality of small holes.

[0009]

According to the present invention, which has the above-mentioned structure,
In the invention described above, when the tooth positioner is inserted into the oral cavity, the bracket attached to the front surface of the upper crown is engaged and fixed in the bracket engaging recess provided in the inner front surface of the upper correction unit. Therefore, when the tooth positioner is attached, the tooth positioner is not displaced from the tooth and is firmly held in the oral cavity, so that proper correction can be performed.

According to the second aspect of the present invention, the ventilation port is opened in the bridge portion. Therefore, the patient can surely breathe through the vent hole, so that he / she can concentrate on the treatment without feeling anxiety that he / she may be unable to breathe. Further, since the breathing can be secured even if there is a stuffy nose, the patient can wear the tooth positioner without any discomfort.

According to the third aspect of the present invention, the vent hole is composed of an inner portion formed of a plurality of small holes and an outer portion formed of a series of elongated holes communicating with the small holes of the inner portion. Therefore, even if the vent is touched with the tip of the tongue, the tongue does not enter the vent, so that the patient is not uncomfortable and the tip of the tongue is not injured.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a tooth positioner according to the present invention, and FIG. 2 is a front view of the tooth positioner.

This tooth positioner 1 is made of a polymer material such as medical grade silicone or polyurethane, and is provided with a bridging portion 2 having a substantially U-shape similar to that of a dental arch. The upper straightening portion 3 for wrapping and correcting the dental arch is extended, and the lower straightening portion 4 for wrapping and correcting the lower dental arch is extended downward from the bridge portion 2. is there. Further, a bracket engaging recess 6 with which a bracket 5 attached to the upper crown front surface is engaged is provided on the inner front surface of the upper correction portion 3.

The bridging portion 2 described above suitably has a thickness of about 2 to 2.5 mm. This is because if the bridging portion 2 is formed to be thicker than necessary, a patient wearing the tooth positioner 1 will complain of tiredness of the jaw and will not wear it.

The above-mentioned upper straightening portion 3 and lower straightening portion 4
Has an internal shape that covers the upper dental arch and the lower dental arch, respectively, and this internal shape has a shape impressing a so-called ideal dental arch after correction. The depths of the upper correction portion 3 and the lower correction portion 4 may be such that the cervical portion is covered, but may be a depth that slightly covers the gingiva in order to massage the gingiva portion.

The above-mentioned bracket 5 is attached to the front surface of the upper crown, but it is suitable to be attached to the upper central incisor, for example. In this way, attaching the bracket 5 to the upper central incisor makes the patient recognize that all the orthodontic appliances have not been removed yet, and the tooth positioner 1 must be used for a long time in order to remove all the orthodontic appliances quickly. This is to give motivation to not become.

The above-mentioned bracket engaging recesses 6 are provided at the positions where the brackets 5 engage, and when the brackets 5 are attached to the upper central incisors, the bracket engaging recesses are provided at two positions so as to correspond thereto. A recess 6 is provided.

A ventilation port 7 is provided in the bridge portion 2. The vent hole 7 is composed of an inner part 7a and an outer part 7b, the inner part 7a is composed of three small holes at the center and left and right sides, and the outer part 7b is a series of long holes communicating with the small holes of the inner part 7a. It is composed of holes. The small hole of the inner portion 7a has a diameter such that the tongue tip does not enter the vent hole 7 even when the vent hole 7 is touched by the tongue tip.

The small holes 7a on the inner side and the long holes on the outer side 7b are formed by appropriate means. That is, in addition to forming the tooth positioner 1 with a drill after forming the tooth positioner 1, for example, a hole forming tool 9 having a metal rod attached to the tip of a metal plate as shown in FIG. It is also possible to fill it with a medical grade silicone or the like after it is positioned at the position. In this case, a plurality of small holes can be formed by positioning once, and the soft medical silicon can be beautifully manufactured unlike the later processing such as drilling.

Further, in the embodiment, the long hole of the outer side portion 7b is formed in order to position each small hole by one set of the hole forming tool 9, and in view of the appearance, the long hole portion is formed. If you do not want to form a tooth positioner 1,
Only the portion of the metal rod may be positioned between the tooth molds and filled with medical silicon or the like. Further, the number of small holes is not limited to the example, and the number can be set according to the user's nose, etc., and the position of the small holes is the habit of the user when sleeping, such as the right cheek When sleeping on a pillow and not turning over too much, a plurality of holes may be provided on the left side with the tooth positioner 1 above.

A method of mounting the above-mentioned tooth positioner 1 will be described below. Wet tooth positioner 1 with water before mounting. This can improve clinging. Then, when the tooth positioner 1 is inserted into the oral cavity and lightly bitten, the bracket 5 attached to the front surface of the upper crown is engaged in the bracket engaging recess 6. In this state, the bracket 5 serves as a hook, and the tooth positioner 1 can be reliably held in the oral cavity.

If the fix retainer 8 is attached to the lower jaw, the hook position of the fix retainer 8 allows the tooth positioner 1 to be held in the oral cavity more reliably.

It is desirable that the tooth positioner 1 be worn for 20 hours or more for 3 days from the day of wearing and 14 hours or more after that. In addition, it is not necessary to consciously bite in normal times, and the upper and lower teeth bite by swallowing.
Also, saliva can be adjusted by swallowing.

[0024]

Since the present invention has the above-mentioned constitution,
The effect explained below is produced. In the invention according to claim 1, when the tooth positioner is inserted into the oral cavity,
The bracket attached to the front surface of the upper crown is engaged in the bracket engaging recess provided on the inner front surface of the upper correction portion.
Therefore, since the tooth positioner is securely held in the oral cavity, proper correction can be performed.

According to the second aspect of the present invention, the ventilation port is opened in the bridge portion. Therefore, the patient can recognize that he / she can surely breathe through the vent hole, can feel the anxiety of wearing, and can concentrate on the treatment. Further, since the breathing can be secured even if there is a stuffy nose, the patient can wear the tooth positioner without any discomfort.

According to the third aspect of the present invention, the ventilation port is composed of an inner part composed of a plurality of small holes and an outer part composed of a series of elongated holes communicating with the small holes of the inner part. Therefore,
Even if the vent is touched with the tip of the tongue, the tongue does not enter the vent, so that the patient is not uncomfortable and the tip of the tongue is not injured.

[Brief description of drawings]

FIG. 1 is a perspective view of a tooth positioner according to the present invention.

FIG. 2 is a front view of the tooth positioner according to the present invention.

FIG. 3 is a perspective view of a hole forming tool used for manufacturing a tooth positioner according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tooth positioner 2 Bridge part 3 Upper straightening part 4 Lower straightening part 5 Bracket 6 Bracket engaging recess 7 Vent 7a Inner part 7b Outer part 8 Fix retainer 9 Hole forming tool

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazunori Shimamoto 1-13-17 Hiramachi, Meguro-ku, Tokyo (72) Inventor Yuko Shimamoto 1-13-17 Hiramachi, Meguro-ku, Tokyo (72) Ichiro Aizawa 1-21-9-402 Hiramachi, Meguro-ku, Tokyo (72) Yuka Aizawa 1-2-1-9-402 Hiramachi, Meguro-ku, Tokyo

Claims (3)

[Claims] 1. A bridging portion having a substantially U-shape similar to that of a dental arch, and an upper straightening portion extending upward from the bridging portion for wrapping and correcting the upper dental arch. A lower orthodontic part extending downward from the bridge part for wrapping and correcting the lower dental arch, and a bracket attached to the anterior surface of the upper crown on the inner front surface of the upper orthodontic part. A tooth positioner having a bracket engaging recess for engaging with. 2. The tooth positioner according to claim 1, wherein a ventilation port is provided in the bridge portion. 3. The tooth positioner according to claim 2, wherein the vent hole of the bridge portion is a plurality of small holes.