Stephen Shea, DDS

General dentist Dr. Stephen Shea received his DDS degree from Georgetown University School of Dentistry and his undergraduate BA degree from St. Anselm College. Prior to joining the DentaQuest Oral Health Center, Dr. Shea spent 26 years in private practice in Gardner, Massachusetts, followed by nine years at Community Health Connections (CHC) Dental Service in Fitchburg, Massachusetts.

At CHC, he served as the director of community heath relations, Associate Dental Director and Dental Director. During this time, in conjunction with the Oral Health Initiative of North Central Massachusetts, Dr. Shea served as Program Director for the school-based dental sealant program and Gateway Health Access Program, as well as serving as an instructor in prevention of dental diseases for physicians, nurses and expectant parents. In addition, Dr. Shea was a member of the adjunct faculty at Mount Wachusett Community College Hygiene School for five years, where he taught local anesthesia techniques for the pain control class.

Currently serving on the advisory board of the Mount Wachusett Community College Dental Hygiene Program, Dr. Shea is also a member of the American Dental Association, the board of trustees for the Massachusetts Dental Society, and a past member of the Central New England Dental Research Group.


Anna Simon, DMD

Orthodontist Dr. Simon received her DMD and a Postgraduate Certificate in Orthodontics from Tufts University School of Dental Medicine. She is a member of numerous professional organizations including the Hispanic Dental Association, the American Association of Orthodontics and the American Dental Association.


711_drDr. Khara Gresham

General dentist Dr. Khara Gresham received her Bachelor of Science from Brown University in 2010. She received with her Doctorate in Medical Dentistry at Tufts University School of Dental Medicine in 2014, followed by her Master’s in Public Health in 2015 from Tufts University School of Medicine. She has been a practicing clinician incorporating public health practice into dental care since her graduation in 2014, and she began working with the Oral Health Center team in April 2016.

Dr. Gresham is a member of the American Dental Association, the Massachusetts Dental Society and the National Dental Association. She focuses on providing comprehensive dental care to her patients through a variety of services, while including patients in the decision-making process.

Outside of dentistry she enjoys spending time with family and friends, traveling and running.


711_drDr. Priyanka Patel, DMD

General dentist Dr. Priyanka Patel received her Bachelor of Science degree in public health sciences and biology from the University of Massachusetts Amherst and her dental degree from Tufts University School of Dental Medicine. While at Tufts, she was selected as a lead clinic teaching assistant to mentor upcoming students in clinical procedures. Dr. Patel is an avid volunteer and has worked with the LGBTQA club to apply and receive funding to host oral cancer education events and screenings. In addition, Dr. Patel is a member of the American Dental Association and Massachusetts Dental Society.

Outside of the office, Dr. Patel enjoys traveling to new places, listening to live music and participating in many outdoor activities: backpacking is a favorite.


711_drDr. Stephanie Sadler

Dr. Sadler is a native of Kingston, Jamaica. After moving to the United States, she completed her undergraduate degree at the University of Florida and a master’s degree in biomedical science at Barry University in Miami Shores, Florida. She then headed north to Boston to attend Tufts University School of Dental Medicine and has been practicing general dentistry in Massachusetts ever since.

“There is nothing quite like giving people the tools to maintain their health and smiles for the rest of their lives,” says Dr. Sadler, “It is the best part of my job.”

She loves that dentistry combines elements of a detail-oriented skill with artistry that can impact both the health and confidence of her patients, and she believes that a comprehensive approach to oral health is paramount to achieve this.

Dentistry is constantly growing and changing, and Dr. Sadler frequently takes continuing education courses to learn about new advancements in her field. She is also an active member of the American Dental Association as well as the Massachusetts Dental Society.

Aside from her professional activities, Dr. Sadler enjoys spending time with her family and friends, reading, cooking, knitting, hiking and travelling.