. 2017 Jan-Jun;8(1):50–54. doi: 10.4103/njms.NJMS_5_17
Copyright: © 2017 National Journal of Maxillofacial Surgery
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.