Meet our Doctors

Nicholas T. Papapetros, DMD, FAGD

Dentist in Westford, MA

Cornerstone Dental Group

Dr. Nicholas T. Papapetros  Dentist in Westford

Dr. Papapetros has been delivering the highest quality dental care to his community since 1992. Originally from Quincy, Massachusetts, Dr. Papapetros earned his undergraduate degree in biology from Colby College in Waterville, Maine. He then went on to Tufts University School of Dental Medicine, where he earned his dental degree and student awards from both American College of Dentists and the American Association of Endodontists. After earning his dental degree Dr. Papapetros then completed a general practice residency at Lenox Hill Hospital in New York.

Dedicated to continuing education, Dr. Papapetros completed more than one thousand credit hours in continuing education courses and seminars since beginning his private practice. He has studied at such prestigious institutions as the L.D. Pankey Institute for Advanced Dental Education, the Las Vegas Institute for Advanced Dental Studies and Dawson Center for Advanced Dental Study. Dr. Papapetros is a Fellow in the International Congress of Oral Implantologists, International College of Dentists, American College of Dentists, and the Pierre Fauchard Academy. Dr. Papapetros is past President of the Tufts University School of Dental Medicine Alumni Association and the Merrimack Valley Dental Society.

Dr. Papapetros is an active member in many other leading dental and professional organizations, including: International Congress of Oral Implantologists, American Dental Society, Academy of General Dentistry, Massachusetts Dental Society, New Hampshire Dental Society, Merrimack Valley Dental Society, Greater Lawrence Dental Society, Tufts University School of Dental Medicine Alumni Association, and L.D. Pankey Foundation. In his spare time Dr. Papapetros enjoys spending time with his wife, Andrea, and their four children: Theo, Isabella, Olivia, and Zachary.

Dr. Leo Kharin, DMD

Dentist in Westford, MA

Cornerstone Dental Group

Dr. Leo Kharin, DMD Westford Dentist

Dr. Kharin was born in Moscow, Russia, moving to United States in 2000. He completed his undergraduate education at the University of Massachusetts Boston in 2006, graduating Magna Cum Laude with Bachelor of Science in psychology. He earned his D.M.D. from Tufts University School of Dental Medicine. His Advanced Education in General Dentistry residency was completed at Winslow Indian Health Care Center in Winslow, Arizona. After returning to New England, Dr. Kharin practiced in private offices in Massachusetts and Connecticut.

Dr. Kharin has a true passion for the profession of dentistry. His background in behavioral sciences aids him in deeply connecting with his patients and tailoring his treatment to their unique needs. Since graduating in 2010, he has been taking numerous continuing education courses focusing on implant placement and restoration, endodontics, oral surgery and his main passion – complex restorative procedures, including full mouth rehabilitation. He is an active member of American Dental Association and Massachusetts Dental Society.

Dr. Kharin lives in Watertown and spends his spare time swimming, playing tennis and hiking the mountains of Maine and New Hampshire. He is also a student of photography and world history.