Eric R. Carlson, DMD, MD, FACS, is Professor and Kelly L. Krahwinkel Chairman of the Department of Oral and Maxillofacial Surgery, Director of the Oral and Maxillofacial Surgery Residency Program and Director of the Oral/Head and Neck Oncologic Surgery Fellowship Program at the University of Tennessee Medical Center and Director of the Head and Neck Service at the University of Tennessee Cancer Institute, Knoxville, Tennessee. Robert A. Ord, DDS, MD, MS, FACS, FRCS, MBA is Chairman of the Department of Oral and Maxillofacial Surgery, University of Maryland Medical System and Head of the Oncology Section of the Department of Oral & Maxillofacial Surgery, Baltimore, Maryland.