. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Int J Oral Maxillofac Surg. 2011 Feb;40(2):209–211. doi: 10.1016/j.ijom.2010.07.009
© 2010 International Association of Oral and Maxillofacial Surgeons. Published by Elsevier Ltd. All rights reserved.