1047 Belmont street, Watertown MA, 02472Dentist at Dentist Charles M Seitz DDS PC First fourteen years of my life was spent on Long Island, NY. Currently teaches clinical dentistry and geriatric dentistry part-time at Harvard University... First fourteen years of my life was spent on Long Island, NY. Currently teaches clinical dentistry and geriatric dentistry part-time at Harvard University School of Dentistry. Over 700 teeth restored with lumineers.