HUBERT EUVRARD,JACQUES PERNOT,JEAN MARIE VULCAIN,PIERRE COLON
申请号：
FR1003744
公开号：
FR2964852B1
申请日:
2010.09.21
申请国别(地区):
FR
年份:
2013
代理人:
摘要：
The invention relates to an endodontic instrument used for working on a tooth canal, having a base from which an active portion for working on the canal extends longitudinally, said active portion being supported by a supporting core. Said instrument is characterized in that said supporting core extends along a helical path.
