Meet the doctors
Meet Dr. Mark and Dr. Sean Sutton—a father-and-son team combining decades of experience with a shared passion for modern, patient-focused care.
Dr. Mark R. Sutton, DDS
General Dentist
Dr. Mark Sutton has been treating a loyal patient base at Greenwich Dentistry for over 30 years. He is committed to providing top-notch dental care while making his patient’s feel confident and comfortable. Dr. Sutton does not subscribe to the notion “treat the tooth, the whole tooth, and nothing but the tooth.” He takes all measures necessary to diagnose and address any and all conditions, leaving the patient with a healthy mouth and a happy smile. Dr. Mark Sutton has helped build one of the oldest and most reputable practices in Greenwich through his commitment to lifelong education, evidence-based practice, and patient satisfaction.

Dr. Mark Sutton graduated from New York University College of Dentistry in 1988. Prior to pursuing his dental career, he fulfilled a lifelong dream of becoming a Hollywood stuntman. After serving as Robin Williams’s stunt double in “World According to Garp,” and appearing in films like “Splash” and “Ghost Busters,” he realized he would rather fix teeth than break them. Dr. Sutton did his post graduate dental training at New Rochelle Medical Center after which he moved to Greenwich to raise his family.
Dr. Sean A. Sutton, DDS
Cosmetic Dentist
Dr. Sean Sutton is committed to providing beautiful and healthy smiles to all of the patients he treats. He understands the value of doctor-patient communication and prides himself on addressing his patient’s concerns, while relaying his objective findings and offering knowledgeable treatment options. Dr. Sutton firmly believes that oral health is an integral part of overall health, and works with specialists in all fields of medicine to provide his patients with the best care available.

Dr. Sean Sutton was born and raised in Greenwich, CT, where he saw, first-hand, the impact his father makes in the community through patient care and community outreach programs. He attended the University of Michigan for his undergraduate studies where received his B.S. in Neuroscience. He was a 2 year captain of Michigan’s Division 1 varsity lacrosse team, while keeping his studies and dream of becoming a doctor at the forefront.
Following in his father’s footsteps, Dr. Sean Sutton attended the prestigious New York University College of Dentistry, where he graduated with honors. There, he learned from the top minds in the fields of cosmetic and restorative dentistry, while taking advantage of the school’s world- renowned research programs and state-of- the-art dental technology. He completed his hospital residency program at The Brooklyn Hospital, were he received extensive training in cosmetics, oral surgery, orthodontics, and pediatrics. His intensive experience in hospital dentistry has given him the knowledge base to safely treat medically complex patients, while understanding the importance of working as a team within the health care community.
Dr. Sutton has received extensive post-graduate training in cosmetic dentistry. He graduated from the Rosenthal Institute for Aesthetic Advantage held at his alma mater, NYU. He stays involved with the American Academy of Clear Aligner community and actively participates in continuing education in Invisalign therapy and laser dentistry.
