The Ninth District Dental Society was formed in 1909 and renamed to the Ninth District Dental Association in 2002. We have a membership of over 1500 dentists in 5 NY counties: Westchester, Rockland, Dutchess, Orange and Putnam. In its quest to serve both the public and the professional, the Ninth District embodies the highest ideals. It is dedicated to the promotion of professionalism and quality, welfare of and service to the public and the profession, education and scientific advancement, fraternity among members