Mikito Deguchi;Tetsuro Goto;Ryuichi Yoshimoto;Koji Hori;Tateki Kashiwabara;Michio Ito
发明人:
Tateki Kashiwabara,Tetsuro Goto,Mikito Deguchi,Ryuichi Yoshimoto,Koji Hori,Michio Ito
申请号：
US13470761
公开号：
US20130017511A1
申请日:
2012.05.14
申请国别(地区):
US
年份:
2013
代理人:
摘要：
An implant fixture is made from ceramics containing zirconia. The implant fixture has monoclinic percentage of 1 volume % or less. The implant fixture includes a buried portion having an arithmetic average roughness Ra in the range of 1 to 5 μm. The zirconia content accounts for 86 mass % or more in the implant fixture. The implant fixture contains alumina and/or yttria. Further, the implant fixture has a sintered grain size of 0.45 μm or less.
