. 2014 Nov-Dec;18(6):767–771. doi: 10.4103/0972-124X.147423
Copyright: © Journal of Indian Society of Periodontology
This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.