| 发明名称 |
Dental post extracting drill |
| 摘要 |
A method and apparatus for removing dental posts by inserting and rotating an extraction drill. It is particularly useful for hollow dental posts having left-handed helical grooves on the post's external surface.
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| 申请公布号 |
US5275563(A) |
申请公布日期 |
1994.01.04 |
| 申请号 |
US19920939126 |
申请日期 |
1992.09.02 |
| 申请人 |
ESSENTIAL DENTAL SYSTEMS, INC. |
发明人 |
COHEN, BRETT I.;MUSIKANT, BARRY L.;DEUTSCH, ALLAN S. |
| 分类号 |
A61C3/02;A61C13/30;(IPC1-7):A61C5/02;A61C5/08 |
主分类号 |
A61C3/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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