23rd International Conference on Oral and Maxillofacial Surgery Volume 46 Supplement 1 Abstracts of the 23rd International Conference on Oral and Maxillofacial Surgery Hong Kong 31 March – 3 April International Association of Oral and Maxillofacial Surgeons Offi cial Publication of the International Association of Oral and Maxillofacial Surgeons Editor-in-Chief: Nabil Samman, Hong Kong, China Associate Editor-in-Chief Joseph Piecuch, Farmington, CT, USA Editors-in-Chief Emeritus Paul J.W. Stoelinga, Nijmegen, The Netherlands Piet E. Haers, Guildford, UK Managing Editor Jacqui Merrison, Oxford, UK Section Editors Cleft lip & palate and craniofacial anomalies Head and neck oncology Reha Kisnisci, Ankara, Turkey Robert Ord, Baltimore, MD, USA Orthognathic surgery Reconstructive surgery Suzannne McCormick, Encinitas, CA, USA Henning Schliephake, Göttingen, Germany Cosmetic facial surgery Clinical pathology Tirbod Fattahi, Jacksonville, FL, USA Nabil Samman, Hong Kong, China Trauma Oral medicine/therapeutics Eppo Wolvius, Rotterdam, The Netherlands Takashi Fujibayashi, Tokyo, Japan TMJ disorders Imaging George Dimitroulis, Melbourne, Australia James Xia, Houston, TX, USA Pre-implant surgery/dental implants Research and emerging technologies Hendrik Terheyden, Kassel, Germany Emeka Nkenke, Vienna, Austria Oral surgery Ashraf Ayoub, Glasgow, UK IJOMS Editorial Offi ce Health Sciences, Elsevier Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, UK Tel: +44 (0) 1865 843270; Fax: +44 (0) 1865 843992; Email:
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