CA2647604A1 - Orthodontic appliance - Google Patents

Orthodontic appliance Download PDF

Info

Publication number
CA2647604A1
CA2647604A1 CA002647604A CA2647604A CA2647604A1 CA 2647604 A1 CA2647604 A1 CA 2647604A1 CA 002647604 A CA002647604 A CA 002647604A CA 2647604 A CA2647604 A CA 2647604A CA 2647604 A1 CA2647604 A1 CA 2647604A1
Authority
CA
Canada
Prior art keywords
orthodontic appliance
vibrating element
appliance according
dental mouthpiece
tooth
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.)
Granted
Application number
CA002647604A
Other languages
French (fr)
Other versions
CA2647604C (en
Inventor
Teruko Yamamoto
Hiroshi Kamioka
Taiji Adachi
Shogo Fukushima
Takumi Sakimura
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works, Ltd.
Teruko Yamamoto
Hiroshi Kamioka
Taiji Adachi
Shogo Fukushima
Takumi Sakimura
Panasonic Electric Works Co., Ltd.
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
Priority claimed from JP2006089439A external-priority patent/JP4506706B2/en
Priority claimed from JP2006318376A external-priority patent/JP4325665B2/en
Priority claimed from JP2006318006A external-priority patent/JP4356737B2/en
Priority claimed from JP2006317931A external-priority patent/JP4506746B2/en
Priority claimed from JP2006317930A external-priority patent/JP4506745B2/en
Priority claimed from JP2006318377A external-priority patent/JP4356738B2/en
Priority claimed from JP2006317929A external-priority patent/JP4529968B2/en
Application filed by Matsushita Electric Works, Ltd., Teruko Yamamoto, Hiroshi Kamioka, Taiji Adachi, Shogo Fukushima, Takumi Sakimura, Panasonic Electric Works Co., Ltd. filed Critical Matsushita Electric Works, Ltd.
Priority to CA2685161A priority Critical patent/CA2685161C/en
Priority to CA2685142A priority patent/CA2685142C/en
Publication of CA2647604A1 publication Critical patent/CA2647604A1/en
Application granted granted Critical
Publication of CA2647604C publication Critical patent/CA2647604C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/08Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/006Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions using magnetic force
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/008Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions using vibrating means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12Brackets; Arch wires; Combinations thereof; Accessories therefor
    • A61C7/20Arch wires
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/20Methods or devices for soldering, casting, moulding or melting

Abstract

Provided is a dentition correcting device, which is intended to promote a dentition correcting effect and to shorten a treatment period, and which is enabled, by applying vibrations to a correction target tooth, to activate the bone remodeling of the target tooth and an alveolar bone and, by promoting the movement of the tooth, to exhibit a higher correcting effect than an ordinary one. This device comprises a vibration unit (8) and a mouthpiece (7) having the former mounted therein. By thus mounting the vibration unit (8) in the mouthpiece (7), the vibration application and the handling can be simplified to continue the treatment safely at home. The inner face shape of the mouthpiece can not only promote the effect but also perform the correcting treatment itself.

Claims (33)

1. An orthodontic appliance for aligning teeth including a tooth to be aligned, comprising:

a vibrating element for generating mechanical vibration and applying the vibration to the tooth to be aligned; and a dental mouthpiece having the vibrating element built therein and mountable on the teeth with the vibrating element built therein.
2. An orthodontic appliance according to claim 1, wherein the dental mouthpiece includes an inner layer and an outer layer to be superimposed on the outer side of the inner layer; and a vibrating element storing portion for storing the vibrating element is formed between the inner layer and the outer layer.
3. An orthodontic appliance according to claim 1 or 2, wherein the outer layer includes an outward projecting bulge portion; and the vibrating element is stored between the inner side of the bulge portion and the outer side of the inner layer.
4. An orthodontic appliance according to any one of claims 1 to 3, wherein the vibrating element storing portion is formed at a part of the dental mouthpiece corresponding to the tooth to be aligned.
5. An orthodontic appliance according to any one of claims 1 to 4, wherein the vibrating element is a motor.
6. An orthodontic appliance according to claim 5, wherein the motor includes an eccentric rotary portion rotatable about a specified axis and having a center of gravity at a position deviated from this axis.
7. An orthodontic appliance according to claim 6, wherein the eccentric rotary portion includes a rotary shaft and an eccentric weight mounted on the rotary shaft such that the center of gravity thereof is deviated from the center of the rotary shaft and adapted to generate mechanical vibration by rotating together with the rotary shaft.
8. An orthodontic appliance according to claim 5, wherein the vibrating element is a linear motor having a moving element that reciprocally vibrates.
9. An orthodontic appliance according to any one of claims 5 to 8, further comprising a battery as a direct-current power source, wherein the motor is a DC motor driven by the direct-current power source and electrically connected with the battery.
10. An orthodontic appliance according to claim 9, wherein the battery is stored in the vibrating element storing portion together with the motor.
11. An orthodontic appliance according to any one of claims 5 to 10, wherein the motor is built in the dental mouthpiece in such an orientation that the direction of vibration generated by the motor is substantially normal to the teeth.
12. An orthodontic appliance according to any one of claims 1 to 4, wherein the vibrating element is a permanent magnet for generating mechanical vibration in response to a magnetic field generated by magnetic field generating means arranged outside the dental mouthpiece.
13. An orthodontic appliance according to any one of claims 1 to 12, wherein the dental mouthpiece is so shaped as to be mountable on braces mounted on the teeth in such a manner as to align the tooth to be aligned.
14. An orthodontic appliance according to claim 13, wherein the dental mouthpiece has an inner surface form conforming to a dental cast of a user wearing the braces.
15. An orthodontic appliance according to claim 14, wherein the inner surface form of the dental mouthpiece is a shape corresponding to an envelope of the outer shape of the braces and capable of avoiding the interference of the unevenness of the braces with the inner surface of the dental mouthpiece.
16. An orthodontic appliance according to any one of claims 1 to 15, wherein the dental mouthpiece is so shaped as to be mountable on the entire teeth.
17. An orthodontic appliance according to any one of claims 1 to 15, wherein the dental mouthpiece is so shaped as to be mountable on a part of the teeth.
18. An orthodontic appliance according to claim 1, wherein the dental mouthpiece includes a dividing portion at a part thereof except the one corresponding to the tooth to be aligned; and the divided portion suppresses the transmission of the mechanical vibration generated by the vibrating element so that the mechanical vibration acts restrictedly on the part including the tooth to be aligned.
19. An orthodontic appliance according to claim 18, wherein the dividing portion of the dental mouthpiece is a cutout portion formed by cutting out either one of a tooth root portion and a tooth crown portion of the dental mouthpiece except at the tooth to be aligned; and the other part integrally connect parts of the dental mouthpiece before and after the cutout portion.
20. An orthodontic appliance according to claim 18, wherein the dividing portion of the dental mouthpiece is a slit portion formed in a part of the dental mouthpiece except at the tooth to be aligned; and parts of the dental mouthpiece before and after the slit portion are connected to each other.
21. An orthodontic appliance according to claim 18, wherein the dividing portion of the dental mouthpiece is a cut portion formed by cutting a part of the dental mouthpiece except at the tooth to be aligned, and parts of the dental mouthpiece before and after this cut portion are connected via a member separate from the one forming the cut portion.
22. An orthodontic appliance according to claim 18, wherein the dividing portion of the dental mouthpiece is a cutoff portion formed by cutting off a part of the dental mouthpiece except at the tooth to be aligned, and the cutoff portion is defined in such a position that the dental mouthpiece has a shape fittable for only the tooth to be aligned.
23. An orthodontic appliance according to claim 1, wherein the dental mouthpiece includes a storage space for storing the vibrating element inside; and the storage space has such a shape as to provide the vibrating element with a play permitting the vibrating element itself to move in the storage space.
24. An orthodontic appliance according to claim 23, wherein the storage space is shaped such that a clearance is formed in the storage space in a direction corresponding to an aligning direction of the tooth to be aligned.
25. An orthodontic appliance according to claim 1, wherein the dental mouthpiece includes an upper layer to be mounted on an upper teeth and a lower layer to be mounted on a lower teeth, the vibrating element being built in at least one of the upper and lower layers; and a connecting member connecting the upper layer and the lower layer at a position distanced from the tooth to be aligned.
26. An orthodontic appliance according to claim 1, further comprising a flexible board on which the vibrating element is to be mounted, wherein the flexible board includes a circuit for introducing power to the vibrating element and is built in the dental mouthpiece together with the vibrating element.
27. An orthodontic appliance according to claim 26, wherein a board side connector for connecting the flexible board and an external circuit of the dental mouthpiece is mounted on the flexible board.
28. An orthodontic appliance according to claim 27, further comprising a lead wire drawn out from the board side connector mounted on the flexible board; and a tube made of the same material as the dental mouthpiece and adapted to cover the lead wire.
29. An orthodontic appliance according to any one of claims 26 to 28, wherein the flexible board is so built in the dental mouthpiece as to extend in the direction of the teeth and formed with a wiring pattern extending in the longitudinal direction thereof, a plurality of lands used to solder the vibrating element being formed at a plurality of positions of the wiring pattern.
30. An orthodontic appliance according to any one of claims 26 to 29, wherein the vibrating element includes a motor having an output shaft and an eccentric weight mounted on the output shaft; and a cover member for covering the eccentric weight is so fixed to the flexible board as to define a space necessary for the rotation of the eccentric weight.
31. A method for producing an orthodontic appliance comprising a vibrating element for generating mechanical vibration and applying the vibration to a tooth to be aligned of a user, and a dental mouthpiece having the vibrating element built therein and mountable on teeth of the user including the tooth to be aligned with the vibrating element built therein, the orthodontic appliance promoting dental alignment by transmitting the mechanical vibration to the tooth to be aligned, the method comprising:

a first step of forming an inner layer constituting an inner part of the dental mouthpiece by placing a sheet member having a heat softening property on a dental cast of the user with the sheet member heated to be softened and closely attaching the sheet member onto the dental cast;

a second step of mounting the vibrating element on the inner layer; and a third step of setting the inner layer having the vibrating element mounted thereon on the dental cast of the user, placing a sheet member having a heat softening property on the inner layer with the sheet member heated to be softened, and closely attaching the softened sheet member to the inner layer, thereby forming an outer layer constituting an outer part of the dental mouthpiece and sealing the vibrating element airtight between the outer layer and the inner layer.
32. A method according to claim 31, wherein the vibrating element is attached to the inner layer utilizing an adhering force of the material of the inner layer given by the remaining heat of the inner layer in the second step.
33. A method according to claim 31 or 32, wherein a sheet member made of a resin whose softening temperature is lower than the heat resistant temperature of the vibrating element is used as the sheet member for forming the inner layer in the first step.
CA2647604A 2006-03-28 2007-03-23 Orthodontic appliance Expired - Fee Related CA2647604C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2685161A CA2685161C (en) 2006-03-28 2007-03-23 Orthodontic appliance
CA2685142A CA2685142C (en) 2006-03-28 2007-03-23 Orthodontic appliance

Applications Claiming Priority (17)

Application Number Priority Date Filing Date Title
JP2006089439A JP4506706B2 (en) 2006-03-28 2006-03-28 Orthodontic appliance
JP2006-089439 2006-03-28
JP2006-089431 2006-03-28
JP2006089431 2006-03-28
JP2006-317931 2006-11-27
JP2006-318376 2006-11-27
JP2006317929A JP4529968B2 (en) 2006-11-27 2006-11-27 Orthodontic mouthpiece and manufacturing method thereof
JP2006318377A JP4356738B2 (en) 2006-11-27 2006-11-27 Orthodontic appliance
JP2006-318377 2006-11-27
JP2006-317930 2006-11-27
JP2006318376A JP4325665B2 (en) 2006-11-27 2006-11-27 Method for manufacturing orthodontic mouthpiece
JP2006317930A JP4506745B2 (en) 2006-11-27 2006-11-27 Orthodontic mouthpiece
JP2006-318006 2006-11-27
JP2006-317929 2006-11-27
JP2006318006A JP4356737B2 (en) 2006-03-28 2006-11-27 Orthodontic appliance
JP2006317931A JP4506746B2 (en) 2006-11-27 2006-11-27 Orthodontic mouthpiece and manufacturing method thereof
PCT/JP2007/056040 WO2007116654A1 (en) 2006-03-28 2007-03-23 Dentition correcting device

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CA2685161A Division CA2685161C (en) 2006-03-28 2007-03-23 Orthodontic appliance
CA2685142A Division CA2685142C (en) 2006-03-28 2007-03-23 Orthodontic appliance

Publications (2)

Publication Number Publication Date
CA2647604A1 true CA2647604A1 (en) 2007-10-18
CA2647604C CA2647604C (en) 2010-11-30

Family

ID=38580953

Family Applications (3)

Application Number Title Priority Date Filing Date
CA2647604A Expired - Fee Related CA2647604C (en) 2006-03-28 2007-03-23 Orthodontic appliance
CA2685161A Expired - Fee Related CA2685161C (en) 2006-03-28 2007-03-23 Orthodontic appliance
CA2685142A Expired - Fee Related CA2685142C (en) 2006-03-28 2007-03-23 Orthodontic appliance

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA2685161A Expired - Fee Related CA2685161C (en) 2006-03-28 2007-03-23 Orthodontic appliance
CA2685142A Expired - Fee Related CA2685142C (en) 2006-03-28 2007-03-23 Orthodontic appliance

Country Status (12)

Country Link
US (3) US8152521B2 (en)
EP (3) EP2000111B1 (en)
KR (1) KR101011315B1 (en)
CN (1) CN101410071B (en)
AT (1) ATE468081T1 (en)
BR (1) BRPI0709249A2 (en)
CA (3) CA2647604C (en)
DE (1) DE602007006666D1 (en)
ES (1) ES2342577T3 (en)
HK (1) HK1126645A1 (en)
TW (1) TW200800111A (en)
WO (1) WO2007116654A1 (en)

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