His cosmetic dentistry practice homes a knowledgeable staff that provides a comforting atmosphere for patients. Dr. Werrin takes a preventative approach to cosmetic dentistry, believing that it is healthier to prevent rather than treat disease.Dr. Werrin has contributed much to the field of cosmetic dentistry. He has not only provided excellent dental care for years, but has developed several products, which include the Dental Bite Tray Posterior, Dental Bite Tray Anterior, Quadrant Triple Tray and more. Dr. Werrin has also published numerous articles in leading dentistry journals, such as including Journal of Dental Research, Journal of Prosthetic Dentistry, Dental Magazine, and Dentistry Today.If seeking the best Pittsburgh dentist, please make an appointment with Dr. S. Rand Werrin today. Primary Specialty