Endodontic file for root canal treatment having a shank with a generally circular cross sectional area which terminates in a generally conical or beveled tip, wherein the shank includes a roughened lateral surface containing a plurality of striated grooves,wherein the striated grooves are separated by smooth areas, wherein the lateral surface contains a plurality of saw teeth and may be sandblasted. The shank may be made of nitinol and may have a taper that ranges between 0% and 4%, and a length that ranges from approximately 12 mm to 32 mm.
