Dr. Henry A. Gremillion is a 1977 graduate of Louisiana State University School of Dentistry.  He maintained a private general dental practice in Cottonport, Louisiana from 1977 to 1989.  He then completed a 2 year Fellowship in Craniofacial Pain and Dysfunction at the University of Florida College of Dentistry under the mentorship of Dr. Parker E. Mahan.  Currently he serves as the P. E. Mahan Endowed Professor in Orofacial Pain in the Department of Orthodontics and holds an affiliate appointment in the Department of Prosthodontics at the UFCD.  He served as director of the Parker E. Mahan Facial Pain Center and directs a fellowship program in orofacial pain for the past 16 years and is on the active dental staff of Shands Teaching Hospital.  He serves as a consultant in the field of temporomandibular disorders and orofacial pain for the U.S. Army, U.S. Navy, U.S. Air Force, Veteran's Administration Hospital in Gainesville, FL., ADA Council on Dental Practice, and the Comprehensive Dentistry Program at UFCD.  He is an associate faculty member and of the Dawson Academy for Advanced Dental Study.  He also serves on the editorial boards of the Journal of Prosthetic Dentistry, Journal of Craniomandibular Practice, and Journal of the Academy of General Dentistry.  He has lectured extensively in the U.S. and abroad and has authored/co-authored numerous scientific articles, abstracts, and book chapters. His research interests include temporomandibular disorders, bruxism, and psychosocial aspects of orofacial pain.  His major clinical interest is the diagnosis and management of orofacial pain.