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1. WO1996002206 - ARTIFICIAL TOOTH STABILIZING PERMANENT MAGNET STRUCTURE, ARTIFICIAL TOOTH STABILIZING KEEPER, AND ARTIFICIAL TOOTH STABILIZING MAGNETIC ATTACHMENT

Publication Number WO/1996/002206
Publication Date 01.02.1996
International Application No. PCT/JP1995/001404
International Filing Date 14.07.1995
IPC
A61C 8/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
8Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
A61C 13/235 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
13Dental prostheses; Making same
225Fastening prostheses in the mouth
235Magnetic fastening
CPC
A61C 13/235
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
13Dental prostheses; Making same
225Fastening prostheses in the mouth
235Magnetic fastening
A61C 13/30
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
13Dental prostheses; Making same
225Fastening prostheses in the mouth
30Fastening of peg-teeth in the mouth
A61C 8/0081
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
8Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
0081Magnetic dental implant retention systems
Applicants
  • HITACHI METALS, LTD. [JP/JP]; 1-2, Marunouchi 2-chome Chiyoda-ku Tokyo 100, JP (AllExceptUS)
  • TANAKA, Kiyomi [JP/JP]; JP (UsOnly)
  • SUGIHARA, Toru [JP/JP]; JP (UsOnly)
  • NOGUCHI, Kazumi [JP/JP]; JP (UsOnly)
  • SUZUKI, Hiroya [JP/JP]; JP (UsOnly)
  • OKUNO, Osamu [JP/JP]; JP (UsOnly)
Inventors
  • TANAKA, Kiyomi; JP
  • SUGIHARA, Toru; JP
  • NOGUCHI, Kazumi; JP
  • SUZUKI, Hiroya; JP
  • OKUNO, Osamu; JP
Agents
  • KAIGUCHI, Muneaki; Kaiguchi and Associates 7F, Towa Shibuya Building 27-6, Higashi 1-chome Shibuya-ku Tokyo 150, JP
Priority Data
6/16359615.07.1994JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ARTIFICIAL TOOTH STABILIZING PERMANENT MAGNET STRUCTURE, ARTIFICIAL TOOTH STABILIZING KEEPER, AND ARTIFICIAL TOOTH STABILIZING MAGNETIC ATTACHMENT
(FR) STRUCTURE A AIMANT PERMANENT DE STABILISATION DE DENT ARTIFICIELLE, DISPOSITIF DE MAINTIEN DE STABILISATION DE DENT ARTIFICIELLE, ET FIXATION MAGNETIQUE DE STABILISATION DE DENT ARTIFICIELLE
Abstract
(EN)
An artificial tooth stabilizing permanent magnet structure utilizing magnetic attraction and an artificial tooth stabilizing keeper of the present invention are made of a magnetic material having a high saturation magnetic flux density and essentially consisting of 15.5-18.5 wt.% Cr and Fe substantially constituting the remaining, thereby reducing the magnet structure in size while providing an attachment with a great magnetic attraction. An artificial tooth stabilizing attachment is also provided. In addition, the artificial tooth stabilizing permanent magnetic structure and the artificial tooth supporting keeper further comprises a coating of Ti or a Ti compound to improve the corrosion resistance while providing a practically required level of magnetic attraction, in order to enhance the safety of the magnetic attachment.
(FR)
Une structure à aimant permanent de stabilisation de dent artificielle dans laquelle l'attraction magnétique est utilisée, et un dispositif de maintien de stabilisation de dent artificielle selon l'invention sont fabriqués dans un matériau magnétique présentant une densité de flux magnétique à saturation élevée, et se composant essentiellement de 15,5 à 18,5 % en poids de Cr, Fe constituant le solde. Ainsi, on réduit la taille de la structure à aimant tout en prévoyant une fixation à attraction magnétique élevée. Une fixation de stabilisation de dent artificielle est également prévue. De plus, la structure à aimant magnétique permanent de stabilisation de dent artificielle et le dispositif de maintien de stabilisation supportant la dent artificielle sont dotés d'un revêtement en Ti ou en composé de Ti, de sorte que leur résistance à la corrosion soit améliorée, que le niveau d'attraction magnétique requis soit assuré et que la fiabilité de la fixation magnétique soit améliorée.
Also published as
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