Pediatric Dentistry

Pediatric dentists are required to complete postgraduate training after dental school. Our specialty is designed to meet the dental needs of growing children from infancy through adolescence by providing the most current preventive and restorative techniques. We also have a special interest in monitoring the growth and development of your child’s dentition and are able to advise you of any specific problems that may be in need of treatment.

Robert A. Frank, D.M.D. - Pediatric Dentist

Dr. Frank graduated with a BA in Biology and Chemistry from Queens College in 1964 and received his dental degree from the Harvard School of Dental Medicine in 1968. After graduating dental school, he practiced dentistry as a captain in the Air Force stationed at Wright Patterson Air Force Base, Ohio. In 1970, he returned to Boston for two years of post-graduate pediatric dental training at Children’s Hospital and served as chief resident during the second year. In 1972, Dr. Frank opened the Medford practice.

Dr. Frank is a member of the American Academy of Pediatric Dentistry where he has been on the Dental Care Committee and the Council on Governmental Affairs. He is currently a consultant for the Academy’s Council on Scientific Affairs. He is also a member of the American Dental Association and the Massachusetts Academy of Pediatric Dentistry. He has served as president of the Massachusetts Academy.

In addition to private practice, Dr. Frank has been an active staff member at Children’s Hospital Boston since 1976 and currently teaches and holds the position of Senior Associate in Pediatric Dentistry at the hospital. He also is a faculty member of the Harvard School of Dental Medicine. Dr. Frank is a Diplomate of the American Board of Pediatric Dentistry.

Dr. Frank resides in Lexington, Massachusetts with his wife Marge. They have two adult children who reside out of state.

Peter B. Geller, D.D.S. - Pediatric Dentist

Dr. Peter Geller graduated cum laude with a BA in Biology from Hofstra University and received his dental degree from New York University College of Dentistry. He completed his postdoctoral training in Pediatric Dentistry at Children’s Hospital Boston and the Harvard School of Dental Medicine. While at Children’s, Dr. Geller served as chief resident and received the Farley Fellowship Fund Award for excellence in patient care. He joined the practice in 1986.

Dr. Geller is a member of the American Academy of Pediatric Dentistry, the American Dental Association, and the Massachusetts Dental Society. He has served as president of the Massachusetts Academy of Pediatric Dentistry and remains an active member. 

In addition to private practice, Dr. Geller is a Clinical Assistant in Pediatric Dentistry at Children’s Hospital and the Harvard School of Dental Medicine. Dr. Geller is a Diplomate of the American Board of Pediatric Dentistry.

Dr. Geller resides in Acton, Massachusetts with his wife, Marne, and their two children, Andrew and Joshua.

David Petrarca, D.D.S. - Pediatric Dentist


Dr. David Petrarca graduated with a BS in Biochemistry from Boston College in 1992 and received his dental degree from Columbia University School of Dental and Oral Surgery in 1996. He completed a two year post-graduated residency training program in Pediatric Dentistry at Children’s National Medical Center in Washington, DC, where he served as chief resident during his second year of training.

Dr. Petrarca returned to the Boston Metropolitan area in 1998 and had worked in a private pediatric dental practice until joining Children’s Dental Associates in January 2003. He is a member of the American Academy of Pediatric Dentistry, the Massachusetts Academy of Pediatric Dentistry, and the American Dental Association, and is on the courtesy teaching staff at Children’s Hospital Boston. Dr. Petrarca is a Diplomate of the American Board of Pediatric Dentistry.

Dr. Petrarca and his wife Celeste, who is a practicing pediatrician at the Children’s Hospital Boston, reside in Waltham, Massachusetts.

Sven Supplies, D.M.D. - Orthodontist

Dr. Supplies, a native of Berlin, Germany, graduated with honors from Mars Hill College, North Carolina with a Degree in Biology. During his college education, he received numerous academic awards and scholarships as a result of his continuous pursuit for academic excellence. He completed his dental training at the Boston University School of Dental Medicine. In addition to graduating at the top of his class, Dr. Supplies received numerous awards while attending Boston University, including The Omicron Kappa Upsilon Award for clinical excellence in the field of Dentistry, The Academy of Operative Dentistry Award and was named to the Dean’s List for academic excellence. He was also the recipient of the Boston University School of Dental Medicine Merit Scholarship and was a member of the National Dental Honor Society.

After graduating from Boston University in 1994, Dr. Supplies continued his studies in the dental specialty of Orthodontics and Dentofacial Orthopedics. During his two years of orthodontic training, he completed a research project studying the effect of frictional resistance during orthodontic tooth movement and compared the clinical efficiency of three commonly used orthodontic brackets. Dr. Supplies received his Certificate of Advanced Graduate Study in Orthodontics from Boston University in September 1996. The American Board of Orthodontics credentials him as Board Eligible.

Dr. Supplies and his wife, Dr. Margaret Supplies, a general dentist, reside in Littleton, Massachusetts with their two sons.

Donna M. Hackley, D.M.D. - Pediatric Dentist

Dr. Donna Hackley graduated with honors from Princeton University, where she majored in chemistry. She received her dental training at the Boston University School of Dental Medicine. Dr. Hackley received numerous awards while attending BU, including the Alpha Omega Award for graduating at the top of her class.

After graduating from Boston University, Dr. Hackley completed a one-year general practice residency. She then did her pediatric dental training at Children’s Hospital Boston and the Harvard School of Dental Medicine. While at Children’s, Dr. Hackley served as chief resident during her second year of training.

In addition to private practice, Dr. Hackley is a member of the courtesy staff at Children’s Hospital Boston. She is a member of the American Academy of Pediatric Dentistry, Massachusetts Academy of Pediatric Dentistry, and the American Dental Association.

Dr. Hackley resides in Westford, Massachusetts with her husband Steve, and their daughters Hannah and Cara.

Linda Morgan, D.M.D. - Pediatric Dentist

Dr. Morgan graduated from the University of California, Santa Barbara, cum laude in biology. She then attended the Harvard School of Dental Medicine from which she also graduated cum laude and earned the highest grades possible on the dental licensing examinations. She completed her pediatric dental training at Children’s Hospital Boston and the Harvard School of Dental Medicine. She served as chief resident and authored a peer reviewed journal article on her research on fluoride. She also spent an additional eight years on the staff at Children’s Hospital treating patients, teaching, and pursuing her research interests.

Dr. Morgan is a member of the American Academy of Pediatric Dentistry, the American Dental Society, and the Academy of General Dentistry.

Dr. Morgan lives in Concord, Massachusetts with her husband Jeffrey and their three daughters.
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