发明名称 |
Porcelain fused to metal crown |
摘要 |
An improved porcelain fused to metal crown having a composite structure comprising layers of a bonding agent and ceramics and optionally a mixture of a bonding agent and ceramics and/or a mixture of ceramics and a porcelain, which are thermally sprayed around the metal crown, and a layer of fused porcelain formed on the above layers. The porcelain fused to the metal crown is useful for restoration of a defective tooth crown as an artificial tooth crown. |
申请公布号 |
US4104798(A) |
申请公布日期 |
1978.08.08 |
申请号 |
US19760707715 |
申请日期 |
1976.07.21 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
TAKAHASHI, SHIGEO;ITO, MICHIO |
分类号 |
A61C5/08;A61C5/10;A61C13/00;A61K6/06;(IPC1-7):A61C5/08 |
主分类号 |
A61C5/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|