JP3079475B1 - Tooth retention device - Google Patents

Abstract

A conventional dentition retention device has a drawback that the lip side surface of the dentition retention device is conspicuous. SOLUTION: In the dentition retention device of the present invention, a labial dentition retainer for retaining a dentition from the labial side of a patient's dentition is provided.
A lingual retainer for retaining the dentition from the lingual side of the patient's dentition is detachably provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dentition retention device, and more particularly to a removable dentition retention device in which each tooth of a patient can be detached from a continuous dentition.

[0002]

2. Description of the Related Art The dentition of a patient corrected by an orthodontic device is:
Until the periodontal tissue is reorganized after the removal of the orthodontic appliance, the patient's dentition is restored for a certain period of time in order to return to the original dentition and to maintain the orthodontic dentition permanently. It is necessary to attach a dentition retention device to the dentition.

FIGS. 15 and 16 show the above-mentioned conventional removable dentition holding device, wherein 1 is a dentition in which each tooth 2 of a patient is continuous.
Surrounds the lingual surface 1a to the lip surface 1b of the patient's dentition 1 and has an inner surface 4 formed in a shape matching the lingual surface 1a and the lip surface 1b of each tooth of the dentition 1. Is a dentition retention device.

[0004] In the above-mentioned conventional dentition holding device, the tooth row 1 in the corrected state is held by the endless dentition holding device 3, so that each tooth 2 has a tooth row 1 before correction.
In this case, it is impossible to return due to the reaction force of the dentition retaining device 3, and therefore, the state of the corrected dentition 1 can be maintained as it is.

[0005]

However, the above-mentioned conventional dentition retaining device 3 has a drawback that the lip side surface of the dentition retaining device is largely exposed, so that it is conspicuous.
In addition, when going out, the patient may remove the dentition retention device 3 from his / her dentition 1 for a long time due to poor appearance, and as a result, it may not be possible to improve the retention results.

The present invention has been made to eliminate the above disadvantages.

[0007]

SUMMARY OF THE INVENTION A dentition retention device according to the present invention comprises: a lingual dentition retainer for retaining a dentition on the lingual surface of a patient's dentition; , A labial dentition retainer for retaining the dentition on the labial surface of the patient's dentition, and a means for detachably connecting the labial dentition retainer to the lingual dentition retainer. And characterized by the following.

[0008] In addition, the dentition retention device of the present invention includes a wire provided in a U-shape along the tongue surface of the patient's dentition, and an arbitrary tooth of the patient's dentition provided on the wire portion. A resin bed having one surface that matches one surface of the lingual surface, support portions provided at both ends of the wire, and formed to be curved along the labial cervical portion from the distal end of the last molar, and provided at each of the support portions. One of the convex portion and the engaging portion thereof, a band-shaped material having one surface that matches one surface of the lip side surface of an arbitrary tooth of the patient's dentition, and one end of the belt-shaped material having the convex portion and the engaging portion. One of them has a detachable convex portion and the other of the engaging portion, and the other end is made of a wire fixed to an end of the strip.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 1, the dentition retention device of the present invention, as shown in FIG. 1, retains a lingual dentition retainer 5 for retaining a dentition on the lingual side surface 1a of a patient's dentition 1; Are fixed to the patient's last molars 2a, 2a, respectively. At both ends of the lingual dentition retainer 5, a hook-like curved shape is formed along the labial cervix from the distal end of the last molar 2a. Support part 6,
6, a labial dentition retainer 7 for retaining the dentition on the labial surface 1b of the patient's dentition 1, each support portion 6, 6 of the lingual dentition retainer 5, and the labial dentition retention And a connecting tool 8 for detachably connecting both ends of the tool 7 to each other.

The lingual dentition retainer 5 is provided along the lingual surface 1a of the patient's dentition 1 as shown in FIGS.
Wire section 9 made of 0.9 mm stainless steel wire
And a resin bed 10, 10 provided on the wire portion 9 and having one surface corresponding to one surface of the tongue surface of each molar of the patient.
And a wire front portion 11 formed in an intermediate portion of the wire portion 9 and formed by folding back so as to contact each of the front teeth 2b of the patient.
And

A button 12 having a neck and a head is formed at the end of each of the support portions 6 and 6, respectively.

As shown in FIGS. 1, 4 and 5, for example, the labial dentition retainer 7 is provided on one side of the lip surface 1b of each anterior tooth and a part of each molar in the dentition 1 of the patient. And a band-shaped material such as a transparent high-density polyester, a photopolymerizable resin, or a resin having one surface matching the above.

The connecting member 8 is, for example, shown in FIGS.
As shown in FIG. 1, one end 13 fixed to each of both ends of the labial dentition retainer 7, a hole 14 resiliently detachable from the button part 12, and a handle extending outward from the hole 14. Fifteen
And a U-shaped curved spring portion 16 formed between the hole portion 14 and the one end 13.
The stainless steel wire is bent and formed.

Since the dentition retaining device of the present invention is configured as described above, the hook-shaped support portions 6, 6 at both ends of the lingual dentition retaining device 5 are attached to the last molars 2a, 2a of the patient, respectively. ,
The dentition of the patient is retained from the lingual side, and the labial dentition retainer 7 is detachably attached to the support portions 6 and 6 via the connecting portion 8 so as to retain the dentition of the patient from the labial side.

The labial dentition retainer 7 is attached in close contact with the patient's dentition due to the elasticity of the spring portion 16 of the connector 8.

According to the dentition retaining device of the present invention, when the patient goes out, for example, the patient manually handles the handle 15 of the connecting member 8.
Is pulled to the labial side, the fitting with the button part 12 is released, and the labial dentition retainer 7 is removed from the patient's dentition 1. Only the lingual dentition retainer 5 remains in the patient's dentition. The dentition can be maintained without being seen by human eyes.

If a spring (not shown) such as a spring is interposed between the tongue-side dentition retainer 5 and the support portion 6, some movement of the teeth can be made possible.

Further, the resin bed of the lingual dentition retainer 5 or the labial dentition retainer 7 may be formed in a shape conforming to one surface of the lingual side or lip side of any tooth of the patient's dentition. good.
In addition, the resin bed of the lingual dentition retainer 5 may be formed in a shape conforming to the lingual side surface 1a of all the teeth of the patient and one surface of the gingival portion of each tooth. You may omit it. Alternatively, a wire may be inserted into the labial dentition retainer 7 to increase the strength.

The support portion 6 may not be fixed to the last molar 2a but may be fixed to another tooth. The labial dentition retainer 7 is a lingual dentition retaining member other than the support portion 6. It may be detachable from a part (not shown) provided separately from the tool 5.

As shown in FIG. 10, instead of providing the hole 14 and the handle 15 in the connecting member 8, one of the hooks 1 is provided.
7 and further, instead of providing the button portion 12 at the end of the support portion 6, the one hook 17 is provided with the other hook 18 which is detachable, and as shown in FIG. Each of the support portions 6 and 6 and both ends of the labial dentition retainer 7 may be detachably connected to each other.

As shown in FIGS. 12 and 13, instead of providing the hole portion 14 and the handle portion 15 in the connecting portion 8, one of the attachment / detachment devices 20 having a through hole 19, for example, a rectangular parallelepiped is provided. Instead of providing the button part 12 at the other end of the support part 6, it can be inserted into the through hole 19 of the one attachment / detachment 20, and bend 180 ° at its bent part 21. The other attachment / detachment 23 bent in the direction opposite to the bending direction is provided, and as shown in FIG. 14, the other attachment / detachment 23 is inserted into the through hole 19 of the one attachment / detachment 20.
Of the tongue-side dentition retainer 5 until the other attachment / detachment tool 23 is fixed in the through hole 19 by the elasticity of the tip 22. 6 and both ends of the labial dentition retainer 7 may be removably connected to each other.

[0023]

As described above, in the dentition retention device of the present invention, the lingual dentition retention device and the labial dentition retention device are usually attached to the dentition to increase the retention effect. In addition, when going out, etc., the patient himself can remove only the labial dentition retainer and hold the dentition only with the lingual dentition retainer, so the appearance was considered as in the past. Since the patient can be prevented from removing the dentition holding device and not holding the dentition, there is a great advantage that a good holding result can be obtained.

[Brief description of the drawings]

FIG. 1 is an explanatory plan view showing a state in which a dentition retaining device of the present invention is incorporated in a dentition.

FIG. 2 is a plan view for explaining a lingual-side dentition retainer of the dentition retention device of the present invention.

FIG. 3 is a side view for explaining a lingual dentition retainer of the dentition retaining device of the present invention.

FIG. 4 is an explanatory plan view of a labial dentition retainer of the dentition retention device of the present invention.

FIG. 5 is an explanatory side view of a labial dentition retainer of the dentition retention device of the present invention.

FIG. 6 is an explanatory side view showing a connection state of the dentition retention device according to the present invention using a coupling tool.

FIG. 7 is an explanatory plan view showing a connection state of the dentition retention device according to the present invention by a connecting tool.

FIG. 8 is a side view for explaining a connecting tool of the dentition retention device of the present invention.

FIG. 9 is a plan view for explaining a connector of the dentition retaining device of the present invention.

FIG. 10 is a side view for explaining a connecting tool of another embodiment of the tooth row retaining device of the present invention.

FIG. 11 is an explanatory side view showing a connection state of a connecting tool of another embodiment of the tooth row retaining device of the present invention.

FIG. 12 is a side view for explaining a connecting tool of still another embodiment of the dentition retaining device of the present invention.

FIG. 13 is a perspective view for explaining one attachment / detachment tool of still another embodiment of the tooth row retaining device of the present invention.

FIG. 14 is an explanatory side view showing a connection state of a connecting tool of still another embodiment of the tooth row retaining device of the present invention.

FIG. 15 is an explanatory plan view showing a state in which a conventional dentition retaining device is incorporated in a dentition.

FIG. 16 is an explanatory plan view of the conventional tooth retention device shown in FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tooth row 1a Tongue side 1b Lip side 2 Teeth 2a Last molar 2b Each anterior tooth 3 Tooth row retention device 4 Inner side 5 Tongue side row retention tool 6 Supporting part 7 Lip side row retention tool 8 Connector 9 Wire section 10 Resin Floor 11 Wire front part 12 Button part 13 One end 14 Hole part 15 Handle part 16 Spring part 17 Hook 18 Hook 19 Through hole 20 Detachment tool 21 Bend part 22 Tip part 23 Detachment tool

Continuation of front page (56) References Registered utility model 3062290 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A61C 7/20

Claims (2)

(57) [Claims] 1. A lingual dentition retainer for retaining a dentition on the lingual surface of a patient's dentition, means for securing the lingual dentition retainer to a patient's teeth, and a lip of the patient's dentition A dentition retention device comprising: a labial dentition retainer for retaining a dentition on a side surface; and means for detachably connecting the labial dentition retention device to the lingual dentition retention device. 2. A wire provided in a U-shape along a tongue surface of a patient's dentition, and a surface provided on the wire portion, which coincides with one surface of a lingual surface of an arbitrary tooth of the patient's dentition. A resin bed having, a support portion provided at each end of the wire, a support portion curved and formed along the labial cervical portion from the distal end of the last molar, and a protrusion provided at each of the support portions and an engagement portion thereof. Either one, a band-shaped material having one surface that matches one surface of the lip surface of an arbitrary tooth of the patient's dentition, and a protruding portion detachable on one end of the protruding portion and one of the engaging portions thereof And a wire fixed to the end of the band-shaped material, the device having one of the engaging portions and the other of the engaging portions.