. 2011 Jan-Mar;14(1):62–67. doi: 10.4103/0972-0707.80746
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.