The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 2003
Filed:
Feb. 05, 2002
Applicant:
Inventors:
Masaaki Orikasa, Futaba-gun, JP;
Seiji Kihara, Bizen, JP;
Makoto Mitsudo, Akaiwa-gun, JP;
Mitsuhiro Matsushima, Chiyoda-ku, JP;
Assignee:
Tomy Incorporated, Fukushima, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 3/00 ;
U.S. Cl.
CPC ...
A61C 3/00 ;
Abstract
An orthodontic appliance comprising a main body for orthodontic treatment and a bonding base connected to the main body and capable of adhering to the teeth, wherein the main body and the bonding base each comprise calcium phosphate crystallizing glass. The calcium phosphate crystallizing glass preferably comprises CaO 10 to 60 wt %, P O 25 to 85 wt %, Al O 5 to 25 wt % and Li O 0.01 to 5 wt %, and has Vickers hardness Hv based on JIS Z2244 of 4.5 GPa or lower, and bending strength based on JIS R1601 of 100 MPa or higher.