| 发明名称 |
CERAMIC ORTHODONTIC BRACKET AND PROCESS FOR MAKING SAME |
| 摘要 |
CERAMIC ORTHODONTIC BRACKET AND PROCESS FOR MAKING SAME A ceramic orthodontic bracket having an unobtrusive color, is obtained by sintering a molded body of a powdery mixture composed of 2 - 15 mole% of yttrium oxide, 5 - 20 mole% of titanium dioxide and the balance of zirconia. |
| 申请公布号 |
CA1300178(C) |
申请公布日期 |
1992.05.05 |
| 申请号 |
CA19880570824 |
申请日期 |
1988.06.30 |
| 申请人 |
TOSOH CORPORATION |
发明人 |
TSUKUMA, KOJI;ODA, SEIJI;HAGA, HIROTOSHI |
| 分类号 |
A61C7/14;A61C7/12;A61C7/28;C04B35/49 |
主分类号 |
A61C7/14 |
| 代理机构 |
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代理人 |
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