Your Best Smile Starts Here

At Smiles of Groton, our family-owned practice strives to provide our patients with an exceptional dental experience that we would want and expect for our closest friends and family. We believe that this is based on the principles of comfort, compassion, customer service, and quality dentistry.

We offer our patients a comprehensive range of dental treatments under one roof, and our passion is helping patients to achieve a more confident, vibrant and healthy smile! We look forward to building a long-term, trusting relationship with you, and assure you that you will leave our office feeling confident that you chose us!

Meet The Doctors

Dr. Marc Valli

Dr. Molly Valli

Drs Marc and Molly Valli have over eleven years of experience in private practice. They are passionate about providing their patients with high-tech dentistry and a gentle touch. Our doctors are skilled and highly trained to be able to offer most dental services all under one roof.

The Smiles Of Groton Difference

State-of-the-art technology

We use state-of-the-art technology to ensure precise, comfortable, and efficient care.

A commitment to excellence

Our team is dedicated to excellence in dentistry and customer service, providing the highest quality care at every visit.

your comfort is a priority

We offer a relaxed environment and various options to make your treatment more comfortable.

Membership plan

With our membership plan, you can enjoy affordable access to dental care and exclusive savings.

Comprehensive Dental Care

At Smiles of Groton, you can get your routine checkups, restorations and cosmetic care under one roof, from a team that treats you like family.

Invisalign

Straighten your teeth comfortably with clear aligners designed to fit seamlessly into your everyday lifestyle.

Dental Implants

Replace missing teeth with durable dental implants that restore your smile, function, and confidence.

Periodontal Care And Maintenance

Protect your gums from infection and maintain healthier teeth with professional periodontal care and maintenance.

Dental Emergencies

Get prompt care for broken fillings, damaged teeth, and unexpected dental problems to protect your smile.

Root Canal

Treat infected tooth pulp, relieve discomfort, and preserve your natural tooth with effective root canal treatment.

Extractions

Remove damaged or infected teeth comfortably with professional care and appropriate local anesthesia for safety.

See Why We Have 4.9 Stars With Over 350 Reviews!

Russ A

Just picked up my new mouth guard and the team there did a great job.

Rich L

I had an appointment yesterday with this dental office for a second opinion regarding a fairly large procedure. I saw Dr. Molly and she mentioned two additional treatment plans after a thorough exam. I have chosen this office to do the work needed.

Anthony S

Very friendly and helpful staff

Ben M

Finally a great dentist that’s close and I can trust. Thanks for offering early appointments to help with my schedule!

Kevin G

Great attention to detail, great use of modern dental technologies

Marta P

After not seeing a dentist for quite sometime I chose to go to Smiles of Groton. Lucky me 😊. I had the most positive experience. Greeted by the friendly staff upon entering. Emily was the hygienist that worked on my teeth. She was so gentle, explained all my questions and was just a pleasure to meet. Dr. Marc, again such a pleasure to meet, came in to go over everything with me and took great time to explain options. Overall, if you're looking for a dental team I would highly recommend Smiles of Groton. Thank you

Brett Q

Very complete and thorough first appointment including high definition pictures accompanied with a very good explanation of the state of my teeth and gums. Best dentist appointment I have ever had!

Doris B

Great team, professional and friendly.

Invisalign
Clear Aligners

Dental
Implants

Implant
Dentures

Cosmetic
Veneers

We love our patients and they love us. See our reviews on google

Absolutely best dental office I’ve ever been to! Super friendly and patient staff, very clean and positive experience overall. I hadn’t been to the dentist in almost 15 years and my hygienist was very pleasant and gentle. The receptionists made sure to clear things with me and my dental coverage so there was no surprise costs. I would give 10 stars!
-Krystal S.

The best! Can't say enough good things about Smiles of Groton. We have 4 kids and one of them is absolutely petrified of the dentist. However, everyone in the office is great and he's starting to get over that fear, specifically from the great group of people that work there. Beyond that, it's great to have such a great collective group of people so close to the school system where our kids go.
-Lon N.

Wonderful wonderful wonderful. After having the most horrible experience at a prior dentist, I found Smiles of Groton caring, gentle and knowledgeable. I had Dr Molly and Chelsea put a new crown on and all was perfect, they both could not have made me feel more comfortable. While I still don’t like going for dental care, Smiles of Groton has made it so pleasant. The best around. You would be negligent not to check them out.
-Lisa B.

Smiles of Groton has been great for our whole family! Even after procedures that we'd prefer not to have (e.g., baby teeth pulled), we're still smiling. Drs. Marc and Molly and the whole staff are friendly and efficient. Highly recommend.
-Julie R.

Who knew that going to the dentist could be so pleasurable. Great people who do their job well with care. Smiles of Groton is wonderful.
-Arthur K.

Having grown up in the 1950s with the proverbial dentist from hell, I'm pretty picky. Just had my first tooth extraction, which I was dreading, and it turned into a hugely pleasant non-event - no pain during, really minimal after, and Dr. Marc's techniques appear to be just excellent. Since the Valli's took over Dr. Breen's practice, I have found both to be excellent, and the overall quality of care and responsiveness of all the staff I've interacted with to be just as great.
-Jessica J.

Cosmetic and Restorative Dentistry

Your Best Smile Starts Here

Meet The Doctors

Dr. Marc Valli

Dr. Molly Valli

The Smiles Of Groton Difference

State-of-the-art technology

A commitment to excellence

your comfort is a priority

Membership plan

Comprehensive Dental Care

Invisalign

Dental Implants

Periodontal Care And Maintenance

Dental Emergencies

Root Canal

Extractions

Our Patients Love Us Our Testimonials

Invisalign
Clear Aligners

Dental
Implants

Implant
Dentures

Cosmetic
Veneers

We love our patients and they love us. See our reviews on google

Main Line:

Address

Your Best Smile Starts Here

Meet The Doctors

Dr. Marc Valli

Dr. Molly Valli

The Smiles Of Groton Difference

State-of-the-art technology

A commitment to excellence

your comfort is a priority

Membership plan

Comprehensive Dental Care

Our Patients Love Us Our Testimonials

InvisalignClear Aligners

Dental Implants

Implant Dentures

Cosmetic Veneers

We love our patients and they love us. See our reviews on google

Invisalign
Clear Aligners

Dental
Implants

Implant
Dentures

Cosmetic
Veneers