JP3816927B2 - Orthodontic support - Google Patents

Orthodontic support Download PDF

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Publication number
JP3816927B2
JP3816927B2 JP2004038371A JP2004038371A JP3816927B2 JP 3816927 B2 JP3816927 B2 JP 3816927B2 JP 2004038371 A JP2004038371 A JP 2004038371A JP 2004038371 A JP2004038371 A JP 2004038371A JP 3816927 B2 JP3816927 B2 JP 3816927B2
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exposed
locking
fixing
fixed
movable
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JP2004174278A (en
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準二 菅原
浩 長坂
功幸 中川
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Dentsply Sankin KK
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Dentsply Sankin KK
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Description

この発明は、歯科矯正用支持体に関するものである。   The present invention relates to an orthodontic support.

歯科矯正治療は様々な方法で行われているが、歯を移動させるためには、移動力を加えるための付勢手段と、それを固定保持するための支点(固定源)が必要である。   Orthodontic treatment is performed by various methods, but in order to move a tooth, an urging means for applying a moving force and a fulcrum (fixing source) for fixing and holding it are necessary.

付勢手段としては、例えばゴムや板バネ等が用いられている。特許文献1を参照。   As the biasing means, for example, rubber or a leaf spring is used. See US Pat.

また、固定源としては、大臼歯を用いることが多かった。しかし、その場合には、前歯部や小臼歯の移動は行えるが、大臼歯自体を移動することは極めて困難であった。   Moreover, molars were often used as the fixing source. In this case, however, the anterior teeth and premolars can be moved, but it is very difficult to move the molars themselves.

固定源を口腔外(顎外)に求める方法も実施されている。例えば、頭部にヘッドギアを付けたり、首にネックバンドを装着して固定源するのである。しかし、このような方法では、顎外に固定装置が配置されるため、治療の成果が患者の協力度に左右される。また、何らかの外的要因によって固定装置が外れることもあった。
米国特許4,988,292
A method for obtaining a fixation source outside the oral cavity (outside the jaw) has also been implemented. For example, a headgear is attached to the head, or a neckband is attached to the neck for a fixed source. However, in such a method, since the fixation device is disposed outside the jaw, the outcome of the treatment depends on the degree of cooperation of the patient. In addition, the fixing device may come off due to some external factor.
US Pat. No. 4,988,292

前述のような不具合を解消するため、骨内インプラントを応用して、インプラント体を固定源とする方法も行われている。   In order to solve the above-mentioned problems, a method of applying an intraosseous implant and using an implant body as a fixing source is also performed.

インプラント法は、骨内にインプラント体を植立し、骨としっかり固着させた後で、その口腔内露出部を固定源とする方法である。   The implant method is a method in which an implant body is implanted in a bone and firmly fixed to the bone, and then the exposed portion of the oral cavity is used as a fixing source.

しかし、インプラント法では、ネジ状または棒状のインプラント体を直接骨に植え込んだ後で、インプラント体が骨にしっかりと固着されるまで、治療を待たねばならなかった。   However, in the implant method, after the screw-like or rod-like implant body is directly implanted into the bone, it is necessary to wait for the treatment until the implant body is firmly fixed to the bone.

また、従来のインプラント体では、痛みや違和感を伴うことがあり、除去時に粘膜を傷付ける恐れもあった。   Moreover, the conventional implant body may be accompanied by pain and discomfort, and there is a risk of damaging the mucous membrane during removal.

さらに、固定源として、形成外科の骨接合用として用いられるミニプレートを転用する方法もある。しかしながら、形成外科用のミニプレートは、口腔内露出を考慮して作られていないため、全てネジ穴が連絡したデザインになっていて、フック部が無いため、取扱いが面倒であった。   Further, there is a method of diverting a miniplate used as a fixation source for osteosynthesis in plastic surgery. However, since the miniplate for plastic surgery is not made in consideration of exposure in the oral cavity, the design is such that all the screw holes communicate with each other, and there is no hook portion, so handling is troublesome.

このような従来技術の問題点に鑑み、本発明は、上下顎大臼歯の近遠心移動や圧下等の3次元的コントロールを任意に行うことができ、植立及び撤去が容易であって、術後感染や除去時の粘膜損傷の恐れが少なく、痛みや違和感を最小限に抑えることができる歯科矯正用支持体を提供することを目的としている。   In view of such problems of the prior art, the present invention can arbitrarily perform three-dimensional control such as near-centrifugal movement and reduction of maxillary and maxillary molars, is easy to set up and remove, An object of the present invention is to provide an orthodontic support which can minimize mucosal damage during post-infection and removal, and can minimize pain and discomfort.

本発明は、顎骨に固定する固定部(21)と、口腔内に露出する露出部(23)と、固定部(21)および露出部(23)の間に位置し可動粘膜を貫通する可動粘膜貫通部(22)とを備え、全体的にプレートで形成されており、複数のネジ止め用穴(14、24)が固定部(21)のみに形成されており、矯正力を与えるバネやゴム(19)を係止するための複数の連続した係止部(25)が露出部(13、23)に設けられており、その係止部(25)が複数の連続した突起(25)で構成されており、それらの突起(25)が可動粘膜貫通部(22)の露出部(13、23)の両側に突出していることを特徴とする歯科矯正用支持体を要旨としている。 The present invention relates to a fixed part (21) fixed to the jawbone, an exposed part (23) exposed in the oral cavity, and a movable mucous membrane positioned between the fixed part (21) and the exposed part (23) and penetrating the movable mucous membrane. And a through-hole (22), which is entirely formed of a plate, and a plurality of screw holes (14, 24) are formed only in the fixing portion (21), and a spring or rubber that gives a correction force A plurality of continuous locking portions (25) for locking (19) are provided on the exposed portions (13, 23), and the locking portions (25) are formed by a plurality of continuous protrusions (25). The gist of the orthodontic support body is characterized in that these protrusions (25) protrude on both sides of the exposed portions (13, 23) of the movable mucosa penetrating portion (22).

本発明の歯科矯正用支持体によれば、上下顎大臼歯の3次元的コントロールを任意に行うことができ、術後感染や除去時の粘膜損傷の恐れが少なく、痛みや違和感を最小限に抑えることができる。   According to the orthodontic support of the present invention, the three-dimensional control of the upper and lower molars can be arbitrarily performed, and there is little risk of mucosal damage during postoperative infection or removal, and pain and discomfort are minimized. Can be suppressed.

複数のネジ止め用穴を固定部のみに形成した場合には、植立及び撤去が容易であって、支持体植立直後でも固定源として歯芽移動治療を開始できる。   When a plurality of screw holes are formed only in the fixing portion, the planting and removal are easy, and the tooth germ movement treatment can be started as a fixing source even immediately after the support is planted.

バネやゴムを係止するための複数の連続した係止部として複数の連続した突起を露出部に設けるので、係止に使用しない係止部の一部を除去できる。そのため、係止部の所望の位置から移動力を掛けることができ、かつ、不用の係止部を容易にカットできる。その結果、機能的マイナス無しに必要な係止部分のみを残すことが可能である。   Since a plurality of continuous protrusions are provided on the exposed portion as a plurality of continuous locking portions for locking the spring or rubber, a part of the locking portion not used for locking can be removed. Therefore, a moving force can be applied from a desired position of the locking portion, and unnecessary locking portions can be easily cut. As a result, it is possible to leave only the necessary locking parts without functional minus.

発明を実施するための形態BEST MODE FOR CARRYING OUT THE INVENTION

矯正力を与えるバネやゴムを係止するための複数の連続した係止部を露出部に設け、係止部の不用の部分を除去できる構成にすると良い。   It is preferable that a plurality of continuous locking portions for locking a spring or rubber for imparting a correcting force are provided on the exposed portion so that an unnecessary portion of the locking portion can be removed.

一連の突起(2連以上の突起)によって係止部を構成する。   The locking portion is constituted by a series of protrusions (two or more protrusions).

本発明の支持体の材質としては、生体に対して害の少ない材料例えばチタン、チタン合金、ステンレス合金などが好ましい。   As the material for the support of the present invention, materials that are less harmful to the living body, such as titanium, titanium alloys, and stainless alloys, are preferable.

以下、図面を参照して本発明の実施例を説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図1は本発明の歯科矯正用支持体の1つの実施例を示す平面図とその固定部の断面図である。   FIG. 1 is a plan view showing one embodiment of an orthodontic support according to the present invention and a sectional view of a fixing portion thereof.

歯科矯正用支持体20は全体的にプレートで形成されており、顎骨に固定するための固定部21と、口腔内に露出する露出部23と、固定部21と露出部23の間に位置し可動粘膜を貫通する可動粘膜貫通部22とを備えている。   The orthodontic support 20 is generally formed of a plate, and is positioned between the fixing portion 21 for fixing to the jawbone, the exposed portion 23 exposed in the oral cavity, and the fixing portion 21 and the exposed portion 23. A movable mucosa penetrating portion 22 penetrating the movable mucous membrane.

支持体20は、例えばチタンやチタン合金で形成することができる。   The support 20 can be formed of, for example, titanium or a titanium alloy.

支持体20は、治療に際して、固定部21と可動粘膜貫通部22の間で適宜折り曲げて用いられる。   The support 20 is used by being appropriately bent between the fixed portion 21 and the movable mucosa penetrating portion 22 during the treatment.

固定部21は2つのネジ止め用穴24を有している。各穴24は、ネジの頭部に適合するように円錐状になっている。図1の(B)と(C)に示すように、ネジ止め用穴24の向きは2種類あって、治療時のフックの向きと折り曲げ方向に応じて選択する。   The fixing portion 21 has two screw holes 24. Each hole 24 is conical to fit the head of the screw. As shown in FIGS. 1B and 1C, there are two types of directions of the screwing holes 24, which are selected according to the direction of the hook and the bending direction at the time of treatment.

固定部21の骨接触面26、すなわちネジ止め用穴24の小径側の面26は、サンドブラストによって粗面加工されている。反対側の可動粘膜接触面には、鏡面加工を施しても良い。   The bone contact surface 26 of the fixing portion 21, that is, the surface 26 on the small diameter side of the screwing hole 24 is roughened by sandblasting. The opposite side movable mucosa contact surface may be mirror-finished.

露出部23は口腔内に露出する部分であり、矯正力を与えるバネやゴム等を係止するための連続した係止部25を備えている。図示した実施例では、係止部25は3連の突起として形成されている。   The exposed portion 23 is a portion exposed in the oral cavity, and includes a continuous locking portion 25 for locking a spring, rubber, or the like that gives correction force. In the illustrated embodiment, the locking portion 25 is formed as a triple projection.

固定部21と露出部23の間の可動粘膜貫通部22の表面は、表面粗さの最大高さが0.1μm以下の鏡面になっている。   The surface of the movable mucosa penetrating part 22 between the fixed part 21 and the exposed part 23 is a mirror surface having a maximum surface roughness of 0.1 μm or less.

また、連続する係止部として、3連の突起25が両側に突出した形で形成されている。すなわち、図1の(A)によく示されているように、可動粘膜貫通部22は同一の幅になっており、各突起25は可動粘膜貫通部22の幅よりも外向きに突き出る形になっている。   Further, as a continuous locking portion, three protrusions 25 are formed so as to protrude on both sides. That is, as is well shown in FIG. 1A, the movable mucosa penetrating portion 22 has the same width, and each protrusion 25 protrudes outward from the width of the movable mucosa penetrating portion 22. It has become.

なお、本発明は前述の実施例に限定されない。例えば、係止部として機能する突起は3個に限らず、2個または4個以上であっても良い。   In addition, this invention is not limited to the above-mentioned Example. For example, the number of protrusions functioning as a locking portion is not limited to three, and may be two or four or more.

本発明の1つの実施例を示しており、(A)はその平面図、(B)と(C)はネジ止めプレートの断面図。1 shows one embodiment of the present invention, (A) is a plan view thereof, and (B) and (C) are sectional views of a screwing plate.

符号の説明Explanation of symbols

20 歯科矯正用支持体
21 固定部
22 可動粘膜貫通部
23 露出部
24 ネジ止め用穴
25 係止部
26 骨接触面

20 Orthodontic support 21 Fixed portion 22 Movable mucosa penetrating portion 23 Exposed portion 24 Screw hole 25 Locking portion 26 Bone contact surface

Claims (1)

顎骨に固定する固定部(21)と、口腔内に露出する露出部(23)と、固定部(21)および露出部(23)の間に位置し可動粘膜を貫通する可動粘膜貫通部(22)とを備え、全体的にプレートで形成されており、複数のネジ止め用穴(14、24)が固定部(21)のみに形成されており、矯正力を与えるバネやゴム(19)を係止するための複数の連続した係止部(25)が露出部(13、23)に設けられており、その係止部(25)が複数の連続した突起(25)で構成されており、それらの突起(25)が可動粘膜貫通部(22)の露出部(13、23)の両側に突出していることを特徴とする歯科矯正用支持体。 A fixed part (21) fixed to the jawbone, an exposed part (23) exposed in the oral cavity, and a movable mucous membrane penetrating part (22) that is located between the fixed part (21) and the exposed part (23) and penetrates the movable mucous membrane ), And is formed of a plate as a whole, and a plurality of screw holes (14, 24) are formed only in the fixing portion (21), and a spring or rubber (19) for applying a correction force is provided. A plurality of continuous locking portions (25) for locking are provided on the exposed portions (13, 23), and the locking portions (25) are composed of a plurality of continuous protrusions (25). An orthodontic support characterized in that the protrusions (25) protrude on both sides of the exposed portions (13, 23) of the movable mucosa penetrating portion (22).
JP2004038371A 2004-02-16 2004-02-16 Orthodontic support Expired - Fee Related JP3816927B2 (en)

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JP2004038371A JP3816927B2 (en) 2004-02-16 2004-02-16 Orthodontic support

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JP2004038371A JP3816927B2 (en) 2004-02-16 2004-02-16 Orthodontic support

Related Parent Applications (1)

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JP35021497A Division JP3869543B2 (en) 1997-12-05 1997-12-05 Orthodontic support

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JP2004174278A JP2004174278A (en) 2004-06-24
JP3816927B2 true JP3816927B2 (en) 2006-08-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200449837Y1 (en) * 2008-10-08 2010-08-13 주식회사 제일메디칼코퍼레이션 Device for orthodontics

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200460660Y1 (en) 2011-01-21 2012-06-04 김진홍 Palatal anchor for orthodontic treatment
EP3572031B1 (en) 2017-01-19 2022-06-15 Yasuhiro Itsuki Base member for orthodontic implant device
JP6835322B1 (en) 2020-06-19 2021-02-24 康寛 斉宮 Orthodontic pliers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200449837Y1 (en) * 2008-10-08 2010-08-13 주식회사 제일메디칼코퍼레이션 Device for orthodontics

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