Title:
歯科矯正装置
Document Type and Number:
Japanese Patent JP4429017
Kind Code:
B2
Abstract:
An orthodontic appliance that includes a polycrystalline translucent aluminum oxide ceramic material having an average grain size of no greater than 1.0 micron and a Contrast Ratio value of less than about 0.7.
Inventors:
Castro, Darren Tea.
Luzin, Richard P.
Willie, William E., The Second
Luzin, Richard P.
Willie, William E., The Second
Application Number:
JP2003557427A
Publication Date:
March 10, 2010
Filing Date:
November 11, 2002
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
A61C7/14; A61C7/28; A61K6/06; C04B35/115; C04B35/638; C04B35/645
Domestic Patent References:
| JP63174646A | ||||
| JP2001322866A | ||||
| JP3168140A | ||||
| JP2663191B2 | ||||
| JP2729204B2 | ||||
| JP3285865A |
Foreign References:
| US4954080 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Yoshihiro Kobayashi
Atsushi Ebiya
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Yoshihiro Kobayashi
Atsushi Ebiya