. 2013 Jul-Aug;16(4):336–341. doi: 10.4103/0972-0707.114367
Copyright: © Journal of Conservative Dentistry
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.