Dr. Sinn is a clinical professor, past chairman of the division of Oral and Maxillofacial Surgery (OMS) at the University of Texas Southwestern Medical Center at Dallas, and served on the UT faculty from July 1974 to September 2004. He joined the faculty after completion of his residency at the University of Texas-Parkland Memorial Hospital and its affiliates. Prior to that, he received his baccalaureate degree at the University of Iowa, and his Doctorate of Dental Surgery from Creighton University in Omaha, Nebraska.
After joining the faculty at UT Southwestern-Parkland Memorial Hospital, Dr. Sinn was actively involved in direction of the resident education program and the management of the patients at Parkland Hospital. He was named director of the residency program in 1978, and promoted to associate professor in 1980. In 1984, he was named chairman of the residency program, which coincided with his promotion to full professor.
Dr. Sinn’s clinical interests include cranio-maxillofacial surgery, jaw surgery, management of disorders of the temporomandibular joint, dental implantology, pathology, aesthetic facial surgery, and dental alveolar surgery. He currently has an active private practice in facial and oral surgery in Mansfield, Texas. He also has attending staff privileges at Mansfield Methodist Hospital, Baylor Regional Medical Center of Plano, and Children’s Medical Center of Dallas.
Dr. Sinn is board certified and has served as president of the American Board of Oral and Maxillofacial Surgery. He also served as chairman of the OMS Foundation. Dr. Sinn is well known, both nationally and internationally, in the specialty of OMS, and has written many articles, books, and book chapters. He has been active as both a speaker and consultant in the OMS. He currently maintains an active role in teaching on a part-time basis at the UT Southwestern Medical Center and affiliated hospitals.