After practicing as a general dentist, Dr. Sleilati completed his Endodontic training at the prestigious New York University College of Dentistry.

Dr. Sleilati obtained his specialty certification in Endodontics from New York University. Prior to that he earned his dental degree from The University at Buffalo School of Dental Medicine and a Bachelor of Science degree in Biology from Binghamton University.

After finishing dental school he received further training in all aspects of dentistry by completing an Advanced Education in General Dentistry program at the University of Rochester Eastman Dental Center. Dr. Sleilati then practiced as a general dentist before specializing in Endodontics.

Dr. Sleilati is currently a member of the American Dental Association, American Association of Endodontics, New York State Dental Association, and Nassau County Dental Society.