. 2017 May 22;7(3):110–115. doi: 10.4103/jispcd.JISPCD_95_17
Copyright: © 2017 Journal of International Society of Preventive and Community 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.