. 2017 Apr-Jun;8(2):305–309. doi: 10.4103/ccd.ccd_1135_16
Copyright: © 2017 Contemporary Clinical Dentistry
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 1.
Distribution of study population