WO2022091621A1 - Appareil orthodontique - Google Patents

Appareil orthodontique Download PDF

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Publication number
WO2022091621A1
WO2022091621A1 PCT/JP2021/034058 JP2021034058W WO2022091621A1 WO 2022091621 A1 WO2022091621 A1 WO 2022091621A1 JP 2021034058 W JP2021034058 W JP 2021034058W WO 2022091621 A1 WO2022091621 A1 WO 2022091621A1
Authority
WO
WIPO (PCT)
Prior art keywords
floor
dentition
orthodontic appliance
insertion portion
enlarged
Prior art date
Application number
PCT/JP2021/034058
Other languages
English (en)
Japanese (ja)
Inventor
勝 石亀
元彦 杉山
賢也 濱崎
Original Assignee
ＳｈｅｅｐＭｅｄｉｃａｌ株式会社
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 ＳｈｅｅｐＭｅｄｉｃａｌ株式会社 filed Critical ＳｈｅｅｐＭｅｄｉｃａｌ株式会社
Priority to KR1020237010821A priority Critical patent/KR20230095929A/ko
Priority to CN202180071014.0A priority patent/CN116367791A/zh
Publication of WO2022091621A1 publication Critical patent/WO2022091621A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates to an orthodontic appliance that corrects an orthodontic portion.
  • This slow expansion correction device includes, for example, an expansion floor type device.
  • This enlarged floor type device has left and right floors, a fixing part for fixing these left and right floors to the maxillary dentition or the lower dentition, and an expansion screw embedded in the center of the left and right floors. I have.
  • By rotating the expansion screw by rotating the expansion screw, the floor is slid to the left and right, and a force spreading to the lateral maxillary dentition or mandibular dentition is applied (for example). See Patent Document 1).
  • the present invention has been made in view of such a problem, and it is an object of the present invention to provide an orthodontic appliance configured to be easily removable in an orthodontic appliance provided with an expanding means.
  • the invention according to claim 1 is provided between a pair of left and right floor portions locked inside the dentition portion and the pair of left and right floor portions, and the pair of left and right floor portions are provided.
  • An insertion portion is provided on the contact surface side of the floor portion, and a removal jig is inserted into the insertion portion.
  • the feature is that the orthodontic appliance is configured to be removable by applying an external force.
  • the dentition portion is a maxillary dentition portion, and the dentition portion side of the palatal side surface of the floor portion.
  • the orthodontic appliance is characterized in that the insertion portion is provided on the rear end side of the surface.
  • the dentition portion is a maxillary dentition portion
  • the insertion portion is provided on the front end side of the palatal side surface of the floor portion. It is characterized by being an orthodontic appliance provided.
  • the dentition portion is a mandibular dentition portion, and the dentition portion side on the mouth bottom side surface of the floor portion.
  • the orthodontic appliance is characterized in that the insertion portion is provided on the rear end side of the surface of the dentition.
  • the invention according to claim 5 is provided on the peripheral edge portion of the floor portion and formed in a convex shape on the dentition portion.
  • the orthodontic appliance is provided with a concave engaged portion that is engaged with and disengaged from the engaging portion.
  • the invention according to claim 6 has an orthodontic appliance having a concave shape on the contact surface side. It is characterized by having done it.
  • the invention according to claim 7 is characterized in that, in addition to the configuration according to claim 6, the insertion portion is an orthodontic appliance formed in a tapered shape from the end side to the back side. And.
  • a predetermined insertion portion is provided on the contact surface side of the floor portion, and the abutment insertion portion is provided with a removal jig. Since the orthodontic appliance can be removed by inserting and applying an external force, the orthodontic appliance can be easily removed with a simple configuration.
  • the insertion portion is specifically on the posterior end side of the maxillary dentition side surface on the palatal side surface of the floor portion. It is possible to easily and surely remove the orthodontic appliance for the upper jaw.
  • the insertion portion is specifically provided on the front end side of the palatal side surface of the floor portion, which is easy. Moreover, the orthodontic appliance for the maxilla can be reliably removed.
  • the insertion portion is specifically on the posterior end side of the surface on the palatal side of the floor. It is possible to easily and surely remove the orthodontic appliance for the lower jaw.
  • the concave engaged portion to be engaged and disengaged is provided in the convex engaging portion provided in the dentition portion, a so-called bridge or the like is used.
  • Orthodontic appliances equipped with magnifying means can be fixed without. Further, in the case of the configuration of fixing without using such a bridge, the orthodontic appliance is more likely to be in close contact with the maxilla and the mandible, but even in such a case, the orthodontic appliance can be easily and surely removed. ..
  • the insertion portion is formed in a concave shape on the contact surface side, the insertion portion can be formed on the outer surface side of the orthodontic appliance without any unevenness. can.
  • the removal jig can be easily locked.
  • FIG. 3 is a cross-sectional view taken along the line I-I of FIG.
  • FIG. 3 is a cross-sectional view taken along the line I-I of FIG.
  • FIG. 3 is a cross-sectional view taken along the line I-I of FIG.
  • FIG. 3 is a cross-sectional view taken along the line I-I of FIG.
  • FIG. 3 is a cross-sectional view taken along the line I-I of FIG.
  • FIG. 3 is a cross-sectional view taken along the line I-I of FIG.
  • FIG. 3 is a cross-sectional view taken along the line I-I of FIG.
  • It is an enlarged bottom view which shows the insertion part and the removal jig which concerns on the embodiment.
  • It is an enlarged front view which shows the insertion part which concerns on the embodiment.
  • sectional drawing which follows II-II of FIG.
  • It is explanatory drawing which shows the state when the orthodontic appliance which concerns on 2nd Embodiment of this invention is removed by the
  • the anterior side is the anterior side
  • the back tooth side is the posterior side
  • the lingual side is the medial side
  • the buccal side is the buccal side. Described as the outside.
  • the anterior teeth are incisors and include left and right central incisors, left and right lateral incisors, and left and right canines.
  • the back teeth are molars and include left and right first and second premolars and left and right first to third molars. The third molar is not shown.
  • First Embodiment of the invention 1 to 6 show a first embodiment of the present invention.
  • FIG. 1 is a bottom view showing a state in which the orthodontic appliance according to the first embodiment of the present invention is attached to the maxillary dentition portion.
  • FIG. 2 is an enlarged view showing a part A of FIG.
  • FIG. 3 is a cross-sectional view taken along the line I-I of FIG.
  • FIG. 4 is an enlarged bottom view showing the insertion portion and the removal jig according to the embodiment.
  • FIG. 5 is an enlarged front view showing the insertion portion according to the embodiment.
  • FIG. 6 is a cross-sectional view taken along the line II-II of FIG.
  • the enlarged floor 10 as an orthodontic appliance includes a pair of left and right floor portions 11 and 11 and an enlarged screw 15 and a guide portion as expansion means provided between the floor portions 11 and 11. 16 and.
  • the pair of left and right floor portions 11 and 11 are each made of a resin sheet such as acrylic resin and have predetermined flexibility.
  • the pair of left and right floor portions 11, 11 are molded so as to fit the shape of the oral cavity 1.
  • the pair of left and right floor portions 11, 11 are formed so that the outer edge side follows the inner shape of the left and right molars 4 so as to be locked to the inside of the left and right molars 4 as shown in FIGS. 2 and 3. Has been done. Specifically, the outer edge side of the pair of left and right floor portions 11 and 11 is formed so as to follow the inner shape of the left and right molars 4 near the cervical portion.
  • the inner shape of the left and right molars 4 is detected by optically scanning, and the pair of left and right floor portions 11 and 11 are cut by cutting means such as a saw or a laser cutter based on the scan data.
  • the outer edge side is formed.
  • the expansion screw 15 is made of metal and is installed between a pair of left and right floor portions 11 and 11.
  • the expansion screw 15 is rotated using, for example, a dedicated rotation tool to apply a force for expanding the positions of the left and right molars 4 via the left and right floor portions 11 and 11.
  • Guide portions 16 are provided on both sides of the expansion screw 15. These guide portions 16 guide the left and right floor portions 11 to hold and open in the same plane when the expansion screw 15 is rotated.
  • the pair of left and right floor portions 11 are composed of a resin sheet 12 press-molded to fit the shape of the oral cavity 1.
  • a reinforcing resin sheet as a reinforcing resin having a predetermined strength may be provided on the resin sheet 12.
  • this reinforcing resin sheet is press-molded when it is fixed to the resin sheet 12 with an adhesive.
  • an adhesive for example, an epoxy-based, acrylic resin-based, urethane resin-based, cyanoacrylate-based, or polyurethane resin-based adhesive is used.
  • the protruding portion 5 of the above is provided by being adhered with an adhesive.
  • These protrusions 5 are formed of plastic to a length of at least 1 mm.
  • Each protruding portion 5 is formed in a conical shape so as to protrude toward the lingual side.
  • the protrusions 5 are specifically provided on the lingual side of the left and right 4th and 6th teeth, but the present invention is not limited to this, and the protrusions 5 are provided on the other teeth. Is also good.
  • the protruding portion 5 of the present embodiment is formed in a conical shape, but is not limited to this shape, and is not limited to this shape, for example, a pyramidal shape, a truncated cone shape, a prismatic trapezoidal shape, a columnar shape, and the left and right sides of the back teeth 4 on the flat side. Any shape may be used as long as it engages the left and right floor portions 11, such as a semi-cylindrical shape that adheres to the inside of the cone and a hemispherical shape.
  • a fitting recess 17 is provided on the outer edge portions of the pair of left and right floor portions 11 and 11 of the enlarged floor 10, as engaged portions formed in a pair of left and right concave shapes that are fitted and engaged with the left and right protruding portions 5, respectively.
  • a fitting recess 17 is provided on the outer edge portions of the pair of left and right floor portions 11 and 11 of the enlarged floor 10, as engaged portions formed in a pair of left and right concave shapes that are fitted and engaged with the left and right protruding portions 5, respectively.
  • a fitting recess 17 is provided on the outer edge portions of the pair of left and right floor portions 11 and 11 of the enlarged floor 10.
  • the fitting recess 17 is also formed in a shape into which the cone fits.
  • the expansion screw 15 and the guide portion 16 are made of hard plastic instead of metal, all the members are made of plastic, and even a user with metal allergy can wear it. ..
  • the protrusions 5 are provided inside the left and right molars 4, while the left and right fitting recesses 17 that lock to the protrusions 5 are provided on the left and right pair of floor portions 11.
  • the pair of left and right floor portions 11 can be securely and easily fixed to the inside of the left and right molars 4.
  • the fitting recess 17 is configured to be fitted into the protruding portion 5 to be locked, but the present invention is not limited to this, as long as it is fitted and locked to each other. May be good.
  • the present invention is not limited to this, and the protrusion 5 is fixed to the inside corresponding to the back teeth 4 of the mouthpiece. It is also good.
  • the protrusion 5 is fixed to the inside of every other molar 4 among the left and right molars 4
  • the present invention is not limited to this, and the protrusion 5 is fixed to the inside of all the left and right molars 4. You may try to do it. Further, if the pair of left and right floor portions 11 can be locked, the protruding portions 5 may be fixed to at least one molar 4 of each of the left and right molars 4.
  • the rear end of the floor portion 11 on the contact surface 11a side (here, the surface on the palatal side surface on the maxillary dentition side) to the dentition portion.
  • An insertion portion 20 formed in a predetermined size and shape is provided on the side.
  • the insertion portion 20 is formed in a concave shape on the contact surface 11a side.
  • the insertion portion 20 is formed so as to have a tapered shape (a shape in which the back side gradually becomes thinner and narrower) from the end side 21 (here, the rear end side) to the back side 22 (here, the front side). Has been done.
  • the removal jig 50 has an elongated main body portion 51 and a hook-shaped hook portion 52 provided at the tip thereof, and the hook portion 52 is adapted to the tapered shape of the insertion portion 20.
  • the tip is formed so as to have a tapered shape.
  • the outer edges of the left and right floors 11 are fitted inside the left and right molars 4 near the neck, and fixed between the left and right molars 4. Will be done. As a result, the left and right molars 4 can be expanded laterally in a short period of time.
  • the pair of left and right floor portions 11 are provided on the resin sheet 12 press-molded so as to fit the shape in the oral cavity 1 and the resin sheet 12. Since it has the reinforcing resin portion 13 having a predetermined strength, a predetermined strength can be obtained and it can be easily manufactured.
  • the reinforcing resin portion 13 is adhered to the resin sheet 12 and has a predetermined strength, it can be manufactured more easily.
  • the reinforcing resin portion 13 is a reinforcing resin sheet, and the reinforcing resin sheet is adhered to the resin sheet 12 with an adhesive to obtain a predetermined strength. Since it has, it can be manufactured more easily.
  • the expansion screw 15 and the guide portion 16 are fixed when the reinforcing resin is adhered to the resin sheet 12, so that the expansion screw 15 and the guide portion 16 are fixed to the resin sheet 12.
  • the guide portion 16 can be easily attached.
  • the expansion screw 15 and the guide portion 16 are sandwiched and fixed to the resin sheet 12 when the reinforcing resin sheet 13 is adhered with an adhesive. The expansion screw 15 and the guide portion 16 can be easily attached to the resin sheet 12.
  • the pair of left and right floor portions 11 are arranged inside the left and right molars 4, and the outer edge portions are left and right so as to be locked inside the left and right molars 4. Since the shape is formed along the inner shape of the back teeth 4, the pair of left and right floor portions 11 can be easily fixed to the inside of the left and right back teeth 4 near the cervical portion. In this case, since the inside of the left and right molars 4 near the neck is gradually inclined toward the center of the root portion, the pair of left and right floor portions 11 can be securely fixed and easily after fixing. It is possible to prevent it from coming off.
  • the hook portion 52 of the removal jig 50 is inserted into the insertion portion 20 from the rear, and the main body portion 51 is held and pulled forward (applying an external force) to the dentition.
  • the enlarged floor 10 is removed from the part and the palate.
  • a predetermined insertion portion 20 is provided on the contact surface 11a side of the floor portions 11 and 11. Since the expansion floor 10 can be removed by inserting the removal jig 50 into the contact insertion portion 20 and applying an external force, the expansion floor 10 can be easily removed with a simple configuration. be able to.
  • the enlarged floor 10 of the present embodiment in the enlarged floor 10 for the maxillary dentition portion, specifically, the posterior end side of the maxillary dentition side surface 11a on the palatal side surface of the floor portions 11 and 11. Since the insertion portion 20 is provided in the upper jaw, the enlarged floor 10 for the maxilla can be easily and surely removed.
  • the fitting recess 17 which is a concave engaged portion engaged with and disengaged from the protruding portion 5 which is a convex engaging portion provided in the dentition portion 4.
  • the expansion floor 10 provided with the expansion means can be fixed without using a so-called bridge or the like.
  • the enlarged floor 10 is more likely to be in close contact with the upper jaw and the lower jaw, but even in such a case, the enlarged floor 10 can be easily and surely removed.
  • the insertion portion 20 is formed in a concave shape on the contact surface 11a side, the insertion portion 20 is formed on the outer surface side of the enlarged floor 10 without unevenness. be able to. Therefore, it can be made excellent in terms of wearing feeling and aesthetics.
  • the removal jig 50 can be easily locked. .. Further, since the removal jig 50 is also formed in a tapered shape according to the tapered shape of the insertion portion 20, it can be smoothly inserted into the insertion portion 20, and the enlarged floor 10 can be easily and surely removed. be able to.
  • the second embodiment of the present invention will be described with reference to FIGS. 7 and 8. In addition, since this embodiment is the same as the first embodiment except for the matters described below, the description thereof will be omitted except for the matters different from the first embodiment.
  • FIG. 7 is a perspective view showing a state in which the orthodontic appliance according to the second embodiment of the present invention is removed from the state of being attached to the maxillary dentition portion with a jig.
  • FIG. 8 is an enlarged bottom view showing the insertion portion and the removal jig according to the embodiment.
  • the enlarged floor 110 as an orthodontic appliance of the present embodiment is an enlarged floor 110 to be attached to the same maxillary dentition portion as the first embodiment described above.
  • the insertion portion 120 formed in a predetermined size and shape is provided on the front end side of the floor portion 111 on the contact surface 111a side with the dentition portion. There is.
  • the insertion portion 120 is formed in a concave shape on the contact surface 111a side. Further, here, the insertion portion 120 is formed so as to have a tapered shape (a shape in which the back side gradually becomes thinner and narrower) from the end side 121 (here, the front end side) to the back side 122 (here, the rear side). ing.
  • the removal jig 150 may have a hooking portion 152 in which the tip end portion of the elongated main body portion 151 is formed in a tapered shape (formed in a spatula shape).
  • the removal jig 150 is provided with a hooking portion 152 at one tip and a hook-shaped hooking portion 52 of the removal jig 50 of the first embodiment described above at the other tip. It may be configured in. If both hooks are provided with one jig, both the front side and the rear side can be removed.
  • the insertion portion 120 is specifically provided on the front end side of the palate-side surface 111a of the floor portion 111. Moreover, the enlarged floor 110 for the upper jaw can be reliably removed.
  • the enlarged bed of the present embodiment is an enlarged bed to be attached to the mandibular dentition portion unlike the first embodiment described above.
  • an insertion portion (not shown) formed in a predetermined size and shape is provided on the rear end side of the floor portion on the contact surface side with the dentition portion.
  • This insertion portion is formed in a concave shape on the contact surface side.
  • the insertion portion is formed so as to have a tapered shape (a shape in which the back side gradually becomes thinner and narrower) from the end side (here, the rear end side) to the back side (here, the front side). ..
  • the enlarged floor can be removed from the maxillary dentition part.
  • the removal jig the same jig as in the first embodiment described above may be used.
  • the lower jaw is easily and surely provided by providing the insertion portion specifically on the posterior end side of the palatal side surface of the floor portion.
  • the enlarged floor can be removed.
  • the material and shape of the enlarged floor 10 may be made of an appropriate material as long as it can be inserted into the oral cavity and has the same function.
  • the present invention is not limited to this.
  • the present invention can be applied even when the enlarged floor 10 is removed from the mouthpiece when the enlarged floor 10 is further attached to the mouthpiece such as an aligner.

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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)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Eye Examination Apparatus (AREA)
  • Beans For Foods Or Fodder (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

L'invention concerne un appareil orthodontique (10) équipé d'un moyen d'expansion et configuré pour être facilement détachable, l'appareil orthodontique comprenant : une paire de parties de base droite et gauche (11, 11) qui sont verrouillées sur le côté interne d'une dentition (4) ; et des moyens d'extension (15, 16) qui sont disposés entre la paire de parties de base droite et gauche (11, 11) et qui sont destinés à étendre l'espace entre lesdites parties de base (11, 11), une partie d'insertion (20) étant prévue sur un côté de surface de butée (11a) des parties de base (11, 11), et l'appareil orthodontique étant configuré pour être détachable en insérant un gabarit de détachement (50) dans la partie d'insertion (20) et en appliquant une force externe à celui-ci.
PCT/JP2021/034058 2020-10-28 2021-09-16 Appareil orthodontique WO2022091621A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020237010821A KR20230095929A (ko) 2020-10-28 2021-09-16 치열 교정 장치
CN202180071014.0A CN116367791A (zh) 2020-10-28 2021-09-16 牙列矫正装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-180129 2020-10-28
JP2020180129A JP6910673B1 (ja) 2020-10-28 2020-10-28 歯列矯正装置

Publications (1)

Publication Number Publication Date
WO2022091621A1 true WO2022091621A1 (fr) 2022-05-05

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Application Number Title Priority Date Filing Date
PCT/JP2021/034058 WO2022091621A1 (fr) 2020-10-28 2021-09-16 Appareil orthodontique

Country Status (5)

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JP (1) JP6910673B1 (fr)
KR (1) KR20230095929A (fr)
CN (1) CN116367791A (fr)
TW (1) TWI792564B (fr)
WO (1) WO2022091621A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023079724A1 (fr) * 2021-11-08 2023-05-11 ＳｈｅｅｐＭｅｄｉｃａｌ株式会社 Mécanisme orthodontique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011045530A (ja) * 2009-08-27 2011-03-10 Kiyohiko Yanagisawa 歯科用顎位矯正装置
US20190314119A1 (en) * 2018-04-11 2019-10-17 Align Technology, Inc. Releasable palatal expanders
JP2020018401A (ja) * 2018-07-30 2020-02-06 株式会社デンタルアシスト 歯列矯正装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4332641B2 (ja) 2004-08-02 2009-09-16 株式会社産学連携機構九州 歯科矯正装置
US10449016B2 (en) * 2014-09-19 2019-10-22 Align Technology, Inc. Arch adjustment appliance
US10959810B2 (en) * 2015-07-07 2021-03-30 Align Technology, Inc. Direct fabrication of aligners for palate expansion and other applications
EP3547952B1 (fr) * 2016-12-02 2020-11-04 Align Technology, Inc. Appareil d'expansion palatine
US11058516B2 (en) * 2017-10-06 2021-07-13 3M Innovative Properties Company Orthodontic palatal expander including split beams

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011045530A (ja) * 2009-08-27 2011-03-10 Kiyohiko Yanagisawa 歯科用顎位矯正装置
US20190314119A1 (en) * 2018-04-11 2019-10-17 Align Technology, Inc. Releasable palatal expanders
JP2020018401A (ja) * 2018-07-30 2020-02-06 株式会社デンタルアシスト 歯列矯正装置

Also Published As

Publication number Publication date
JP2022071266A (ja) 2022-05-16
KR20230095929A (ko) 2023-06-29
TW202216089A (zh) 2022-05-01
TWI792564B (zh) 2023-02-11
CN116367791A (zh) 2023-06-30
JP6910673B1 (ja) 2021-07-28

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