. 2016 Jan-Mar;16(1):63–69. doi: 10.4103/0972-4052.175711
Copyright: © 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.
Average ΔE* values of all four groups