. 2015 Jan-Mar;15(1):46–52. doi: 10.4103/0972-4052.155038
Copyright: © 2015 The Journal of Indian Prosthodontic Society
This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.
Graph 2.
Intergroup comparison of color change at the middle region