A method of fabricating an endodontic instrument by a machining operation is disclosed, and wherein a wire-like rod composed of a titanium alloy is advanced past a rotating grinding wheel at a relatively slow feed rate, with a sufficient depth of cut to remove all of the material on a given surface without...http://www.google.com.au/patents/US5628674?utm_source=gb-gplus-sharePatent US5628674 - Endodontic instrument
