Hudson NH Dental Associates Dentists

Meet Our Doctors :: Hudson Dental Associates

William L. Gagnon, DMD

William L. Gagnon, DMDDr. Gagnon was raised in Northern Maine and educated in local public schools. He received his B.S. in Professional Studies from the University of Notre Dame in 1980. Dr. Gagnon received his DMD from the University of Connecticut - School of Dental Medicine in 1984. Following his dental school education Dr. Gagnon expanded and improved his clinical skills through a general practice residency program at Queens Hospital Center and Long Island Jewish Hillside Medical Center in Long Island, New York.

Dr. Gagnon joined Hudson Dental Associates formerly known as Soucy & Gagnon Family Dentistry in 1985. He and Dr. Jerry Soucy practiced together for 19 years before Dr. Soucy’s untimely death. During Dr. Gagnon’s tenure with Hudson Dental Associates, the practice grew from approximately 3,000 patients to more than 7,000 active patients from throughout Southern New Hampshire and Northern Massachusetts.

Dr. Gagnon enjoys all phases of general dentistry including pediatric dentistry, restorative dentistry, cosmetic dentistry, and prosthodontics (teeth replacement). Dr. Gagnon has been restoring dental implants for the past 15 years.

Dr. Gagnon is also very active with the University of Connecticut School of Dental Medicine Alumni Board. Dr. Gagnon served as the President of the Alumni Board from 2010-2012 and is currently a Board member. He has also had the honor of being selected as a Top Dentist by New Hampshire Magazine for years 2011, 2012, and 2013.

Dr. Gagnon holds memberships in the Greater Nashua Dental Society, the New Hampshire Dental Society, and the American Dental Association.

Dr. Gagnon resides in Londonderry with this wife of 25 years and his 3 children. He enjoys running, golf and most of all spending time with his family.

Christine Lonegan, DMD

Christine Lonegan, DMDDr. Lonegan completed her undergraduate studies in biology at UMASS-Lowell. She then received her DMD from the University of Pittsburgh School of Dental Medicine. After completing her dental school education, Dr. Lonegan participated in a general practice residency program at Tufts University.

Dr. Lonegan enjoys performing all aspects of general dentistry including prosthodontics, restorative dentistry, pediatric dentistry, and oral surgery.

Dr. Lonegan joined Hudson Dental Associates in 2010. She currently resides in Stow, Massachusetts and enjoys spending time reading, fishing, and spending time with her pets.

Brandon Beaudoin, DMD

Brandon Beaudoin, DMDBrandon Beaudoin DMD is a native of Sanford Maine and comes from a family steeped in dentistry. Brandon's grandfather, father, and uncle all practiced in Sanford. Additionally Brandon's brother is studying orthodontics at Vanderbilt University and his sister is a hygienist in Milford Connecticut.

Brandon received his BS from St. Michael's College in Vermont and his DMD from the University of Connecticut School of Dental Medicine. He recently completed a General Practice Residency at Harvard University in Boston. Brandon enjoys treating patients of all ages and is particularly interested in surgery, endodontics, and implant replacement. Brandon played soccer while at St. Michaels and continues to play at a competitive level. He also enjoys water sports and snow skiing. Brandon looks forward to getting to know our patients and getting involved within the community.

Molly Harrison, DMD

Christine Lonegan, DMDDr. Harrison grew up in Windham, New Hampshire. She earned her degree in Biology from St. Michael’s College in Vermont, and received her DMD from the University of Pittsburgh’s School of Dental Medicine in 2013. Following dental school, Dr. Harrison completed a General Practice Residency at Loyola University Medical Center in Chicago, where she received advanced training in restorative dentistry, root canal therapy, crown and bridge, oral surgery, and implant dentistry.

Dr. Harrison enjoys getting to know her patients and working with them to select the best treatment options to improve their overall oral health. She provides treatment in all areas of general dentistry, and is committed to furthering her education by participating in continuing education courses and annual dental conferences. Dr. Harrison is a member of the American Dental Association and the Academy of General Dentistry.

In her spare time, she enjoys skiing, biking, cooking, and reading.

603-889-8499 ~