ANSI/ADA-80 Complete Document History
Dental Materials - Determination of Color Stability

Complete Current Edition:
   2001 R20 EDITION - REAFFIRMED IN 2020 - Jan. 31, 2020

Obsolete Revision Information:
   2001 R13 EDITION - REAFFIRMED IN 2013 - Jan. 1, 2013
   2001 EDITION - Determination of Color Stability - May 11, 2001
   1989 EDITION - COLOR STABILITY TEST PROCEDURE - Oct. 1, 1989