Dr. Petrey maintains an active clinical practice, Petrey & Newcomb Orthodontics, with his partner Dr. John Newcomb in Somerset, Corbin, and Hazard, KY. In addition to his patient care, he is a clinical researcher, lecturer, and author of numerous orthodontic related articles covering TADs, lingual orthodontics, treatment modalities including managing impacted canines, digital technologies in orthodontics, and practice promotion. Dr. Petrey received his Masters in Public Health, DMD, Masters in Science, and Orthodontic training from the University of Kentucky. His lectures and articles on TADs have focused on TAD insertion techniques, TAD design & TAD application in clinical practice in both traditional and non-traditional mechanics, as well as in the use of TADs for bone and space maintenance for patients with missing teeth. Through his research and clinical experience, Dr. Petrey has contributed to several TAD clinical reference guides, print articles, and in TAD and TAD appliance design and development. Dr. Petrey enjoys energetic and interactive lectures & discussions that further expand the armamentarium of the modern orthodontist.