Historical
ANSI/ADA Specification No. 28-2002
Endodontic Files and Reamers
This specification is for endodontic files and reamers for hand use only having a working part taper of 2% (0.02 millimeter per millimeter of length) as in endodontic preparation or shaping operations. The revision of this specification includes the adoption of Specification No. 28a, Root Canal Files and Reamers, Type K Addendum published in 1996.
American Dental Association [ada]