. 2016 Sep;13(5):340–348.
Copyright© Dental Research Center, Tehran University of Medical Sciences
This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.
Fig. 3:
The mean L* values of the groups