Joseph F. DiBernardo, DDS, obtained both his undergraduate and dental degrees from Stony Brook University. He completed a general practice residency program at Nassau University Medical Center, and then a two-year residency program to specialize in endodontics at New York University in Manhattan. He worked as a general dentist for three years on Long Island and New Jersey. He then returned to Long Island to establish Smithtown Endodontics. Dr. DiBernardo is on staff at the general practice residency program at Stony Brook University Dental School.