发明名称 |
ENDODONTIC DENTAL INSTRUMENT |
摘要 |
An endodontic instrument which comprises an elongate shank which has a tapered working length adjacent the pilot end, and at least two continuous helical flutes formed along the tapered working length. The flutes are non-uniformly separated in the axial direction, and they define a relatively broad helical land and at least one relatively narrow helical surface. In one embodiment, the helical surface is a relatively narrow helical land and in another embodiment, the helical surface is a sharp helical edge. |
申请公布号 |
EP0902661(A1) |
申请公布日期 |
1999.03.24 |
申请号 |
EP19970922591 |
申请日期 |
1997.05.01 |
申请人 |
DENTSPLY INTERNATIONAL, INC. |
发明人 |
HEATH, DEREK, E.;MOONEYHAN, JERRY, A. |
分类号 |
A61C5/02 |
主分类号 |
A61C5/02 |
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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