An endodontic file for use in preparing a root canal has a shank and a flexible working portion having cutting edges which may be dulled at along one side of the file. The working portion has a taper greater than the ISO Standard of 0.02mm per mm of axial length. The working portion is formed of nickel titanium alloy and may be pre-curved. <IMAGE>
申请公布号
DE69507912(D1)
申请公布日期
1999.04.01
申请号
DE1995607912
申请日期
1995.04.28
申请人
BUCHANAN, LEONARD STEPHEN, SANTA BARBARA, CALIF., US
发明人
BUCHANAN, LEONARD STEPHEN, SANTA BARBARA, CALIF., US