. 2018 Jan-Feb;21(1):2–9. doi: 10.4103/JCD.JCD_213_16
Copyright: © 2018 Journal of Conservative 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.