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WO2018139690A1 - Extenseur palatin - Google Patents

Extenseur palatin Download PDF

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Publication number
WO2018139690A1
WO2018139690A1 PCT/KR2017/000868 KR2017000868W WO2018139690A1 WO 2018139690 A1 WO2018139690 A1 WO 2018139690A1 KR 2017000868 W KR2017000868 W KR 2017000868W WO 2018139690 A1 WO2018139690 A1 WO 2018139690A1
Authority
WO
WIPO (PCT)
Prior art keywords
expansion
screw
expansion screw
arch
wing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2017/000868
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English (en)
Korean (ko)
Inventor
김성훈
안효원
김혜웅
권태훈
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kyung Hee University
Original Assignee
Kyung Hee University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kyung Hee University filed Critical Kyung Hee University
Priority to PCT/KR2017/000868 priority Critical patent/WO2018139690A1/fr
Publication of WO2018139690A1 publication Critical patent/WO2018139690A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/10—Devices having means to apply outwardly directed force, e.g. expanders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools

Definitions

  • the present invention relates to an arch expansion device used to widen the left and right width of the maxillary arch, and more particularly, to an arch expansion device which can maximize the arch expansion width and further, the left and right asymmetrical expansion distance can be adjusted.
  • the jawbone of a normal person is composed of the maxilla and the mandible, and the upper and lower teeth are arranged in the upper and lower jaw, respectively, and the upper teeth and the lower teeth are engaged by the jaw joint movement to perform the chewing action of the food.
  • the width of the maxilla is abnormally narrow, such as when the maxilla is less developed than the mandible, resulting in facial asymmetry or malocclusion.
  • a procedure to expand the width of the maxilla ie, the expansion of the arch, is performed.
  • the arch expansion device used for the expansion of the arch is an apparatus that expands the width of the maxilla by applying a lateral expansion force to the maxilla.
  • the bones on the face are like a puzzle, making it easier to move the bones during the growing phase. More specifically, the palatal bone is divided into left and right with respect to the palatal suture, and the maxilla is large enough to accommodate permanent teeth. In case of small or other narrow maxilla, it is possible to widen the palate itself by spreading the palate or palate to the left and right.
  • FIG. 1 is a view showing a conventional arch expansion device.
  • Conventional arch expansion device the main body 10 that can be extended to the left and right, the arm (20; Arm) fixed to both sides of the main body 10, and the expansion screw 30 for adjusting the width of the main body 10
  • the expansion guide 40 for guiding the expansion of the main body 10 a key hole 50 formed in the expansion screw 30, and the arm 20 is provided in each of the teeth (B)
  • a key for rotation is selectively inserted into the key hole 50 to rotate the expansion screw 30.
  • the main body 1 is extended to the left and right sides while applying the expansion force to the left and right teeth B, and to the main body
  • the expansion force expressed by is transmitted to the maxilla through the left and right teeth, thereby realizing the expansion of the arch.
  • the maxillary arch is very narrow below a predetermined width, it is difficult to install the arch of the palate, namely the palate, having an expansion screw of a length sufficient to obtain a desired amount of expansion.
  • the width of the expansion screw installable to the palate is limited by the initial width of the maxillary arch.
  • An object of the present invention is to provide an apparatus for expanding the arch, which can expand the arch, i.e., the maxillary, from side to side, exceeding the maximum expansion width of the arch.
  • the object of the present invention is to solve the problem of the hassle and the increase in the procedure cost to manufacture a plurality of arch expansion devices each having an extension screw having a different length for the expansion of the narrow upper arch It is to provide a arch expansion device that can be eliminated, and the adjustment of the asymmetrical expansion width.
  • One embodiment of the present invention includes: a left body width adjustable in the left and right directions; A right body provided at a right side of the left body and having a width adjustable in a left and right direction; And a first expansion screw connecting the left body and the right body to adjust the left and right spacing between the left body and the right body.
  • the left body may include a first base body provided at a left side of the right body, a left wing provided at a left side of the first base body, and a left and right gap between the first base body and the left wing. It may be configured to include a second expansion screw to adjust.
  • the right body includes a second base body provided on the right side of the first base body, a right wing provided on the right side of the second base body, the second base body and the right wing. It may be configured to include a third expansion screw for adjusting the left and right spacing between.
  • the arch expansion device may be implemented as a device including a triple screw system.
  • the first expansion screw is provided in the horizontal direction through the left body and the right body;
  • the second expansion screw is provided in parallel with the first expansion screw through the left body;
  • the third expansion screw is provided in parallel with the first expansion screw through the right body.
  • the left wing has a first through hole into which a left side of the first expansion screw is retractably inserted;
  • the right wing has a second through hole into which the right side of the first expansion screw is retractably inserted.
  • the archery expansion device is; It is provided in a left and right direction through the left body and the right body, and may further comprise a first extension guide for guiding the left body and the right body movement during the rotation of the first expansion screw.
  • the archery expansion device It is provided in the left and right direction through the left body, the second expansion guide for guiding the expansion of the left body when the second expansion screw is rotated, provided in the left and right direction through the right body, the third It may further comprise a; third extension guide for guiding the expansion of the right body when the expansion screw is rotated.
  • the left body and the right body is provided with a push member that can be fixed to the palate or teeth, respectively.
  • the push member may be configured to include an arm provided at each of a left portion of the left body and a right portion of the right body.
  • the arm may be fixed to the maxilla or fixed to a tooth by a mini screw placed in the maxilla.
  • the first expansion screw, the second expansion screw, and the third expansion screw are each provided with a tool hole, that is, a key hole so that a rotational tool, for example, a rotation key is fitted.
  • the arch expansion device according to the present invention has the following effects.
  • the present invention it is possible to solve the problem of the hassle and the increase in the procedure cost, which must be sequentially replaced by making a plurality of arch expansion devices each having an extension screw having a different length for the expansion of the narrow width of the maxillary arch, It is also possible to adjust the asymmetrical extension width. Thus, if rapid palatal expansion is required, sufficient palatal expansion can be achieved without additional fabrication or replacement of the arch expansion device.
  • the arch expansion device of the present invention by the expansion unit having a triple screw system, can implement a palatal expansion, that is, wider maxillary arch expansion than one conventional in one device, unlike the existing expansion further expansion due to lack of expansion
  • a palatal expansion that is, wider maxillary arch expansion than one conventional in one device
  • the hassle of creating a new arch expansion device and replacing the new arch expansion device in the oral cavity and the burden on the cost of treatment received from a patient undergoing orthodontic treatment can be significantly reduced.
  • the left and right asymmetrical expansion when the left and right asymmetrical expansion is required as needed, it is possible to adjust the palate expansion asymmetrically using the second expansion screw and / or the third expansion screw, the left and right symmetrical expansion Compared to the existing arch expansion device, which was only possible, more versatile and effective palatal expansion control is possible.
  • the orthodontic treatment effect can be further increased, and patient satisfaction and reliability can be improved.
  • FIG. 1 is a view showing an example of a conventional archery device
  • FIG. 2 is a view showing an example in which an embodiment of the arch expansion device according to the present invention is applied to the maxillary (palate) of the patient;
  • FIG. 3 is a front view of a triple screw system for arch expansion as an example of an expansion unit for the arch expansion device according to the present invention
  • FIG. 4 is a cross-sectional view of FIG. 3;
  • Figure 2 is a view showing an embodiment of the arch expansion device according to the present invention is applied to the maxillary (palate) of the patient
  • Figure 3 is an example of the expansion unit for the arch expansion device according to the invention
  • triple triple 4 is a front view of the screw system
  • FIG. 4 is a sectional view of FIG. 5 and 6 are views illustrating the operation of the arch expansion apparatus according to an embodiment of the present invention.
  • the arch expansion device according to an embodiment of the present invention is provided with an expansion unit (TSC), for example triple screw system (Triple Screw System) is adjustable width, It is configured to include a push member (200).
  • TSC expansion unit
  • Triple Screw System Triple Screw System
  • the arch expansion device in particular the expansion unit, the left body 100a adjustable width in the left and right direction, the right body 100b is adjustable width in the left and right direction, It is configured to include an expansion screw 300 for adjusting the left and right spacing between the left body (100a) and the right body (100b).
  • the right body 100b is provided on the right side of the left body 100a, and the expansion unit 300 opens the gap between the left body 100a and the right body 100b by the expansion screw 300. ) Can be implemented.
  • the left body 100a and the right body 100b are disposed symmetrically with each other.
  • the expansion screw 300 is provided to penetrate the left body (100a) and the right body (100b) long in the horizontal direction.
  • the expansion screw 300 connects the left body 100a and the right body 100b. More specifically, the left side of the expansion screw 300 is fastened to the left body 100a through the left body 100a, and the right side of the expansion screw 300 passes through the right body 100b. It is fastened to the right body 100b.
  • the left side and the right side of the expansion screw 300 is formed with a male screw having a different spiral direction.
  • the expansion screw 300 that adjusts the left and right spacing between the left body 100a and the right body 100b is referred to as a first expansion screw.
  • the left body 100a includes a first base body 101a provided on the left side of the right body 100b and a left wing 102a provided on the left side of the first base body 101a. It may be configured to include a second expansion screw (300a) for adjusting the left and right spacing between the first base body (101a) and the left wing (101b).
  • the right body 100b includes a second base body 101b provided on the right side of the first base body 101a and a right wing 102b provided on the right side of the second base body 101b; Right Wing), and the third expansion screw 300b for adjusting the left and right spacing between the second base body 101b and the right wing 102b.
  • the expansion device of the arch expansion device according to the present embodiment is implemented as a device including a triple screw system.
  • the first expansion screw 300 is provided in the left and right direction through the left body 100a and the right body 100b.
  • the second expansion screw 300a penetrates the left body 100a and is provided side by side to the first expansion screw 300
  • the third expansion screw 300b connects the right body 100b. It penetrates and is provided in parallel with the first expansion screw 300.
  • a tool hole that is, a key hole
  • a rotational tool for example, a rotational key
  • the left wing 102a has a first through hole 150a into which the left side portion of the first expansion screw 300 is retractably inserted.
  • the right wing 102b has a second through hole 150b into which the right side portion of the first expansion screw 300 is retractably inserted.
  • the first through hole 150a penetrates the left wing 102a in a left and right direction, and a left side portion of the first expansion screw 300 extends in the axial direction in the first through hole 150a. Slidably inserted.
  • the second through hole 150b penetrates the right wing 102b in a left and right direction, and a right side portion of the first expansion screw 300 slides in the axial direction through the second through hole 150b. Possibly inserted.
  • the expansion unit TSC may include a first extension guide 400 extending through the left body 100a and the right body 100b in a horizontal direction.
  • the first extension guide 400 guides the stable movement of the left body 100a and the right body 100b when the first expansion screw 300 rotates.
  • the expansion unit TSC may further include a second expansion guide 400a penetrating the left body 100a and a third expansion guide 400b penetrating the right body 100b. .
  • the second extension guide 400a and the third extension guide 400b are installed in parallel with the first extension guide 400.
  • the second expansion guide 400a penetrates the left body 100a and is provided in a left and right direction, and guides the expansion of the left body 100a when the second expansion screw 300a is rotated. More specifically, the second extension guide 400a realizes parallel movement of the left wing 102a in the left and right directions with respect to the first base body 101a.
  • the third extension guide 400b is provided in the left and right direction through the right body 100b and guides the expansion of the right body 100b when the third expansion screw 300b is rotated. . More specifically, the third extension guide 400b implements parallel movement of the right wing 102b in the left and right direction with respect to the second base body 101b.
  • the second extension guide 400a is provided on the opposite side of the first extension guide 400 based on the first expansion screw 300, and the third extension guide 400b is formed on the first extension guide 400b. 2 is provided coaxially with the extension guide 400a, but the positions of the first to third extension guides are not limited thereto.
  • the diameters of the first expansion screw 300, the second expansion screw 300a, and the third expansion screw 300b are also very small. Therefore, the key hole 500, 500a, 500b of the size that can be sustained without being broken while receiving sufficient rotational force through a rotation control tool, that is, a key (not shown) that is selectively coupled for the rotation of each expansion screw It is not easy to form the key holes 500, 500a, and 500b in the first to third expansion screws 300, 300a, and 300b.
  • expansion portions 520, 520a and 520b larger than the diameter of each expansion screw are formed in the center of each of the first to third expansion screws 300, 300a and 300b, and the expansion portions 520, 520a and 520b. It is preferable to form a plurality of key holes 500, 500a, 500b at regular intervals along the circumferential direction.
  • the first expansion screw 300, the second expansion screw 300a, and the third expansion screw 300b have different directions on the left and right sides of each of the expansion parts 520, 520a, and 520b.
  • the threads of, i.e., left and right threads are formed.
  • the third expansion screw 300b also operates on the same principle as the second expansion screw, and uses the key hole 500b provided in the third expansion screw 300b to connect the third expansion screw 300b.
  • the right wing 102b moves to the right while being guided by the rod-shaped third extension guide 400b while the second base body 101b is fixed, and as a result, the right body 100b. ) Spreads from side to side.
  • the left body (100a) and the right body (100b) is provided with a first screw hole 130 for screwing the first expansion screw 300, respectively, the left body (100a) has a second expansion screw ( A second screw hole 130a to which the 300a is screwed is additionally formed, and a third screw hole 130b to which the third expansion screw 300b is screwed is further formed on the right body 100b. More specifically, first screw holes 130 having different spiral directions are formed in the first base body 101a and the second base body 101b.
  • a first guide hole 140 through which the first extension guide 400 is installed is formed in the left body 100a and the right body 100b, and a second extension guide (in the left body 100a).
  • a second guide hole 140a through which 400a is installed is further formed, and a third guide hole 140b through which the third extension guide 400b is installed is further formed in the right body 100b. .
  • the left wing 102a has a left side portion of the first expansion screw 300 so that the width of the left body 100a can be adjusted by the second expansion screw 300a.
  • a through hole, ie, a first through hole 150a, is formed to be inserted (retracted / retracted) in a possible manner.
  • the left side of the first expansion screw 300 is inserted into the first through-hole 150a of the left wing (102a), for example, is slidably inserted.
  • the right side of the first expansion screw 300 is inserted into the second through hole 150b of the right wing 102b so as to slide forward and backward, for example.
  • the first through hole 150a and the second through hole 150b are non-threaded holes in which the left side and the right side of the first expansion screw 300 are loosely inserted and have no female thread. It can be made of a flat pattern hole.
  • the left body 100a and the right body 100b are pushed to the palate (palate) or the teeth, respectively.
  • the member 200 is provided.
  • the push member 200 includes an arm (Arm) provided in the left portion of the left body, that is, the left wing (102a) and the right portion of the right body, that is, the right wing (102b), respectively Can be configured.
  • the arm may be fixed to the maxilla by a mini screw (S) implanted in the maxilla as shown in FIG. 2, or may be fixed to a tooth as in the example shown in FIG. 1.
  • the action of the arch expansion device having the expansion unit TSC described above, that is, the triple screw system TSC as in the present embodiment is as follows.
  • the arch expansion device described in this embodiment expands through a plurality of steps for the narrow and narrowed maxillary arch where palatal expansion is required.
  • Figure 5 (A) is the initial state before the expansion of the arch, the palatal expansion is not made.
  • the operator after installing the arch expansion device on the palate, the operator inserts a rotation operation key (not shown) into the key hole 500 provided in the first expansion screw 300.
  • a rotation operation key (not shown)
  • the first expansion screw 300 can perform the symmetrical expansion of the maxillary arch to the first allowable range.
  • the first expansion guide 400 is the left body 100a and the right body ( It guides the movement of 100b), ie symmetrical parallel movement, and as a result, the primary maxillary arch expansion by the first expansion screw can be performed.
  • a rotation operation key (not shown) is inserted into the key hole 500a provided in the second expansion screw 300a.
  • the width of the left body 100a is extended while being guided by the second expansion guide 400a.
  • Further expansion of the archery using the left body (100a) and further expansion of the archery using the right body (100b), may be carried out at the same time or at a time difference in consideration of the patient's condition and the treatment environment, etc.
  • the amount of expansion using the left body 100a and the amount of expansion using the right body 100b may be different.
  • the arch expansion process is performed in two stages of the first and second stages under the premise of performing symmetrical expansion, but the triple screw system (TSC) for expanding the arch of the present invention is asymmetrically expanded left and right. Since it is possible to perform, the arch expansion process may be performed in three stages: the first expansion screw adjustment step which is substantially symmetrical, the second expansion screw adjustment step of the left side, and the third expansion screw adjustment step of the right side.
  • TSC triple screw system
  • the patient may further expand symmetrically or asymmetrically according to the patient's condition, and may also perform an alternative extension to either of the maxillas of the left and right as needed.
  • the conventional arch expansion device which was only symmetrical and can be expanded only in a narrow range, more diverse and effective palatal dilatation control can be achieved, thereby improving orthodontic treatment effect and further improving patient satisfaction and reliability. It can also be raised further.
  • the present invention is a medical device used to expand the width of the maxillary bone, that is, the maxilla, according to the present invention can be maximized the width of the arch can be obtained with one arch.

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgical Instruments (AREA)

Abstract

La présente invention concerne un extenseur palatin capable d'étendre le palais en dépassant une largeur d'expansion maximale autorisée par une vis d'expansion. L'extenseur palatin, selon la présente invention, comprend : un corps côté gauche capable de régler la largeur dans les directions droite et gauche; un corps côté droit disposé sur le côté droit du corps côté gauche et capable de régler la largeur dans les directions droite et gauche; et une première vis d'expansion pour relier le corps côté gauche et le corps côté droit et ajuster l'espace droit et gauche entre le corps côté gauche et le corps côté droit. Selon la présente invention, il est possible de résoudre les problèmes tels que l'inconvénient de la fabrication d'une pluralité d'extenseurs palatin ayant une vis d'expansion avec une longueur différente, respectivement, et le remplacement séquentiel de manière à étendre le palais supérieur ayant une largeur étroite et l'augmentation des coûts de traitement. Le réglage de la largeur d'expansion ayant une asymétrie gauche et droite est également possible. Par conséquent, lorsqu'une extension du palais rapide est requise, une expansion du palais suffisante selon les besoins peut être obtenue sans aucune fabrication supplémentaire ou traitement de remplacement de l'extenseur du palais.
PCT/KR2017/000868 2017-01-25 2017-01-25 Extenseur palatin Ceased WO2018139690A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110151338A (zh) * 2019-04-26 2019-08-23 南京医科大学附属口腔医院 一种方向可调的上颌骨前份牵张器及其临床应用
CN112773528A (zh) * 2019-11-11 2021-05-11 巴益奥谟泰利尔有限公司 更换型上颌骨扩张器
US20230018609A1 (en) * 2019-12-05 2023-01-19 Elmar Gregor ZELLERMAYER Distractor, bone screw for said distractor, and method for producing said distractor
WO2025129300A1 (fr) * 2023-12-19 2025-06-26 Hermes Rau Levy Dispositif orthodontique disjoncteur palatin avec ancrage osseux

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5439377A (en) * 1994-04-21 1995-08-08 Milanovich; Philip J. Bi-directional orthodontic appliance
US6299439B1 (en) * 2000-01-07 2001-10-09 Johan Anton Kooiman Suture expansion device
US20050261679A1 (en) * 2004-05-19 2005-11-24 Orthovisage Inc. System and method to bioengineer facial form in adults
KR20110091268A (ko) * 2010-02-05 2011-08-11 (주) 케이제이 메디텍 급속 구개 확장장치 제조방법 및 급속 구개 확장장치 제조방법에 의해 제조된 급속 구개 확장장치
KR101709164B1 (ko) * 2015-09-30 2017-02-22 경희대학교 산학협력단 급속 구개 확장을 위한 삼중 스크류 시스템을 갖는 악궁 확장 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5439377A (en) * 1994-04-21 1995-08-08 Milanovich; Philip J. Bi-directional orthodontic appliance
US6299439B1 (en) * 2000-01-07 2001-10-09 Johan Anton Kooiman Suture expansion device
US20050261679A1 (en) * 2004-05-19 2005-11-24 Orthovisage Inc. System and method to bioengineer facial form in adults
KR20110091268A (ko) * 2010-02-05 2011-08-11 (주) 케이제이 메디텍 급속 구개 확장장치 제조방법 및 급속 구개 확장장치 제조방법에 의해 제조된 급속 구개 확장장치
KR101709164B1 (ko) * 2015-09-30 2017-02-22 경희대학교 산학협력단 급속 구개 확장을 위한 삼중 스크류 시스템을 갖는 악궁 확장 장치

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110151338A (zh) * 2019-04-26 2019-08-23 南京医科大学附属口腔医院 一种方向可调的上颌骨前份牵张器及其临床应用
CN112773528A (zh) * 2019-11-11 2021-05-11 巴益奥谟泰利尔有限公司 更换型上颌骨扩张器
EP3818958A1 (fr) * 2019-11-11 2021-05-12 Biomaterials Korea Inc. Extenseur squelettique maxillaire échangeable ou remplaçable
CN112773528B (zh) * 2019-11-11 2022-05-13 巴益奥谟泰利尔有限公司 更换型上颌骨扩张器
US11648092B2 (en) 2019-11-11 2023-05-16 Biomaterials Korea Inc. Exchangeable or replaceable maxillary skeletal expander
US20230018609A1 (en) * 2019-12-05 2023-01-19 Elmar Gregor ZELLERMAYER Distractor, bone screw for said distractor, and method for producing said distractor
WO2025129300A1 (fr) * 2023-12-19 2025-06-26 Hermes Rau Levy Dispositif orthodontique disjoncteur palatin avec ancrage osseux

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