Endodontic instrument and method
- 专利权人:
- Derek Heath
- 发明人:
- Derek Heath,Steve Treadway
- 申请号：
- US12397961
- 公开号：
- US08105085B1
- 申请日:
- 2009.03.04
- 申请国别(地区):
- US
- 年份:
- 2012
- 代理人:
- 摘要：
- An endodontic instrument with an elongate shaft and a plurality of inverted frusto-conical sections with radial cutting edge disposed along a working portion of the shaft.
- 来源网站：
- 中国工程科技知识中心
