Dr. Cassis has been practicing dentistry since 1982 and certified in prosthetic dentistry since 1986. He obtained his DMD and Advanced Graduate degrees at Boston University Goldman School of Dental Medicine. He has been a Clinical Professor with Boston University since 1987 in the Post-Doctoral residency programs. He has served as the Director of the Advanced Education in General Dentistry since 1993 and the PostGraduate Operative and Esthetics PostDoctoral Programs since 1999. He is still currently directing these programs. His duties include managing the B. U. Dental Health Center and overseeing numerous dental providers and dental specialists. Dr. Cassis gives dental specialty lectures worldwide, He is dedicated to teaching and enhancing the development of general dentists to advance their professional careers. In May 2006, Dr. Cassis was awarded the Dean Spencer N. Frankl Teaching Award for excellence in teaching at the Boston University Henry M. Goldman School of Dental Medicine. He has years of experience in several dental disciplines including Implantology, Restorative Dentistry, Esthetic Dentistry, and Endodontics.