Call Us: 978-448-5241 Get Directions | 292 Main Street, Groton, MA 01450 Email: info@drpeterbreen.com
Softly lit dental treatment room in blue and white tones with a calm, welcoming atmosphere
Groton, Massachusetts · Since 1991

Modern dentistry in a calm and relaxed environment

The team at Peter Breen, DMD provides comprehensive dental services — from general cleaning to advanced restorative and cosmetic dentistry — and works to make each dental visit a positive, gentle experience for the whole family.

Implant Dentistry

Long-lasting implant restorations that renew your appearance and help protect your oral health.

Learn about implants

Cosmetic Dentistry

Revitalize your smile with modern cosmetic techniques tailored to your goals.

See cosmetic options

Invisalign

Clear aligners offer a discreet, modern solution for straightening your teeth.

Discover Invisalign
Friendly circular practice logo mark in royal blue and leaf green

Welcome to the Dental Practice of Peter Breen, DMD

Dr. Peter Breen has been practicing family dentistry in Groton since 1991, and the practice continues that tradition of steady, thoughtful care. Our team provides comprehensive dental services ranging from routine cleaning and prevention to advanced restorative and cosmetic treatment.

We strive to make each dental visit a positive and gentle experience, so patients of all ages feel at ease from the first appointment onward.

Portrait of a smiling dentist in a bright practice setting
Dentist & Owner

Dr. Peter Breen, DMD

Dr. Breen has been practicing in Groton since 1991 and works alongside an experienced staff dedicated to patient comfort and care. His approach centers on clear communication and restoring teeth to lasting, healthy function.

Meet the Team

Comprehensive care, one calm office

  • Cleaning and prevention to keep gums and teeth healthy
  • Implant restorations and hybrid denture solutions
  • Cosmetic dentistry and Invisalign aligner treatment
  • Laser dentistry for advanced gum care
  • 24/7 online account access for appointments and payment history
View All Dental Services

Since 1991, this Groton, Massachusetts practice has built its reputation on a simple promise: modern dentistry delivered in a calm, relaxed environment. The team provides comprehensive dental services ranging from routine general cleaning to advanced restorative and cosmetic dentistry, all designed with patient comfort in mind. A welcoming atmosphere, thoughtful scheduling, and a genuinely gentle approach help make each visit something to look forward to rather than dread.

Implant restorations are a cornerstone of the practice, offering long-lasting solutions that renew appearance while helping protect oral health. Careful evaluation, precise planning, and skilled hands ensure that each implant is placed with attention to both function and aesthetics. Patients frequently describe the team as knowledgeable and honest, taking the time to explain every option and answer questions fully before any treatment decisions are made.

Cosmetic dentistry is approached with an eye for balance and a focus on the smile you actually want. Modern techniques — including clear aligner options such as Invisalign — are tailored to individual goals, whether the aim is a brighter smile, a straighter alignment, or a complete transformation. The process begins with a conversation about your priorities so the finished result feels natural and genuinely your own rather than generic or overdone.

Preventive care remains the foundation of everything the office does. Regular cleanings, thorough exams, and oral health guidance help patients maintain healthy teeth and gums between visits, and hygienists are praised for being careful explainers who put patients at ease. Early detection of issues means simpler, more comfortable treatment later, which is why the practice encourages consistent, ongoing dental care for every member of the family.

The office is designed to feel friendly and approachable for all ages, from children coming in for a first visit to adults seeking advanced care. A comfortable, modern environment supported by advanced technology helps put nervous patients at ease, while the warm, conversational style of the staff turns appointments into relaxed, positive experiences. Reviews often mention the team as exceptionally kind, attentive, and genuinely interested in each patient's wellbeing.

Many families have been with the practice for decades, referring friends and neighbors because of the consistent quality of care they have received. That kind of long-standing trust is built one visit at a time through unhurried appointments, clear communication, and follow-up that shows the team remembers the details of your history. For anyone in the Groton area looking for a dentist for the entire family, this is a practice where questions are always welcome.

Bright modern dental operatory with soft blue cabinetry and natural light, creating a peaceful mood

Featured procedures

Our most requested treatments, performed as part of our general, cosmetic and restorative care.

  • Implant Restorations

    Lasting restorations that renew appearance and help prevent the oral-health damage caused by missing teeth.

  • Cosmetic Dentistry

    Revitalizing smiles with modern techniques and a careful, conservative approach.

  • Invisalign

    Clear aligner treatment for straightening teeth discreetly — part of our cosmetic offerings.

  • Laser Dentistry

    Advanced gum contouring and treatments delivered with laser technology.

  • Hybrid Dentures

    Fixed hybrid denture solutions that restore function and appearance.

  • Advanced Technology

    iTero digital impressions, digital X-rays and imaging software for detailed patient planning.

Explore Our Technology

Insurance information

We accept the following dental plans. Please contact the office with your specific plan details so we can confirm your benefits.

Accepted insurance plans
PlanPlan
Delta Dental PremierDelta Dental Total Choice PPO
Blue Cross Blue Shield of MA DentalBlue Indemnity
Altus DentalCigna Dental
Veteran Affairs Dental 

General Information & Directions

Give yourself a reason to smile

Have a question, or would you like to schedule an appointment? Contact our office in Groton.

Office Hours

Dr. Breen’s office hours: Monday – Thursday, 7:30 a.m. – 4:00 p.m.

Hygienists’ office hours: Monday – Thursday, 7:00 a.m. – 4:00 p.m.

Earlier listings have shown extended Monday hours until 7:00 p.m.; please call to confirm the schedule that applies to your visit.

Request an Appointment