Patent ID: 6468079
Filing Date: 2002-10-22
Classification: A61C

Abstract:
A radiopaque endodontic tool configured for placement within a root canal for detection by a radiographic instrument, the tool comprising:elongate means for positioning within a root canal of a tooth for radiographic viewing, the elongate means having a distal insertion end; and a proximal end; and handle means for grasping and moving the elongate means; wherein the elongate means includes a highly radiopaque material that is non-toxic and that includes an element selected from the group consisting of gold, platinum, palladium, silver, and tungsten; wherein the elongate means has a mass x-ray absorption coefficient that is no less than about 1.5; wherein the elongate means has a surface adapted for abrading root canal surfaces; wherein the elongate means has sufficient rigidity and is sufficiently ductile to extend to a desired location within a root canal of a tooth; and wherein the elongate means has a length and outer diameter that enables the elongate means to extend throughout a root canal and to reach an apex of the root canal of a tooth.