. 2014 Jun 27;40(3):147–151. doi: 10.5125/jkaoms.2014.40.3.147
Copyright © 2014 The Korean Association of Oral and Maxillofacial Surgeons. All rights reserved.
This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.