Welcome to David R. Mullin, DDS. Dr. Mullin is a specialist in Periodontics and provides Dental Implant services. Our practice specializes in conservative treatment of gum disease as well as surgical therapies to repair the damage done by gum disease. Cosmetic procedures to aesthetically enhance your smile and dental implants to replace missing teeth are our forte. We also diagnose and treat other oral pathology. We are conveniently located in Mill Valley, CA.