Endodontic instruments or intermediate products (e.g., blanks) used to form finished endodontic instruments having a desired cutting edge and/or taper are formed, at least in part, by molding a metal powder into a desired shape and then sintering the metal particles together. The metal powder is initially...http://www.google.es/patents/US7743505?utm_source=gb-gplus-sharePatente US7743505 - Methods for manufacturing endodontic instruments from powdered metals
Methods for manufacturing endodontic instruments from powdered metals
