. 2015 Nov-Dec;19(6):651–658. doi: 10.4103/0972-124X.164766
Copyright: © Journal of Indian Society of Periodontology
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.