Methods for modifying a physical characteristic of finished endodontic instruments made from one or more superelastic alloys is described which include heat treating one or more finished endodontic instruments in a salt bath for a specific time (e.g., from about four hours to about six hours), at a specified temperature (e.g., from about 475 C. to about 550 C.), and preferably at a specified pH range.
Medical Instrument With Modified Memory And Flexibility Properties And Method
- Johnson City TN, US Steven J.A. Treadway - Jonesborough TN, US
International Classification:
A61C 5/02 C22F 1/00 C22C 19/03 C22F 1/10
Abstract:
Medical instruments, particularly, endodontic instruments with unique limited memory characteristics, and methods for making such instruments. One embodiment includes heat treating an endodontic blank prior to forming a working portion of the endodontic instrument.
Howard Norton, Robbie Chester, Lisa Ward, Tina Thomasson, Jennifer Fox, Tara Craig, Catina Joines, Frankie Campbell, Tamra Presnell, Connie Bumgarner, Anna Frye