John Sottosanti, DDS, received his undergraduate education at the University of Pennsylvania and his DDS degree from Georgetown University. His postdoctoral education in periodontics was at the University of Southern California (USC) School of Dentistry and the West Los Angeles VA Medical Center. For 27 years, he chaired and moderated the Annual USC Periodontal Symposium. Dr. Sottosanti has done original research on biofilm, calculus, and bone regeneration and has been a speaker at many regional, national, and international dental meetings. He is a past-president of the California Society of Periodontists and was elected to the American College of Dentists and the Pierre Fauchard honor dental society. Dr. Sottosanti has had a private practice in periodontics and implantology in San Diego, California, for many years.