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Welcome to Cornerstone Dental Care at the commons

Healthy teeth make beautiful smiles!

At Cornerstone Dental Care, we strive for excellence while maintaining a caring and compassionate approach to dental care, Dr. Kerrie O’Brien, Dr. Jessica Williams, Dr. Leticia Klos and our friendly, professional team take the time to get to know their patients individually to best meet their needs. We consider our patients our extended family and are committed to each patient’s optimal oral health.

Please feel free to contact our Westborough dental office to schedule an appointment with  Dr. O’Brien, Dr. Williams, or Dr. Klos. Learn about the many ways you can maintain or improve your teeth and be proud to show off your smile. Call today!

A foundation of trust and expertise

As a patient at Cornerstone Dental Care, you deserve attentive, personalized care for your smile, delivered by doctors and a team who put you at the forefront of all they do.

An exceptional smile

Thanks to modern cosmetic dentistry, you can achieve a smile that's happy, healthy, and beautiful; a smile that fills you with confidence and that you'll love to share!
Cosmetic Services

Treating you like Family

Cornerstone Dental Care creates an environment where you can experience comfortable, relaxing dentistry from people who genuinely care about your health and wellbeing.
What Sets Us Apart
“Dr. Courtney Brady and her staff at Cornerstone Dental are the best. Dr. Brady makes you feel so comfortable and is so kind and personable that it makes going to the dentist a pleasant experience. She is the best in Boston when it comes to cosmetic dentistry as well as general dentistry. I'm so incredibly grateful I found her years ago.” Natalie A
“Cornerstone Dental is an up-to-date practice with the perfect combination of state of the art equipment combined with outstanding doctors who CARE. The office staff is very friendly and welcoming and provides a relaxing atmosphere.” Jane G
“This was my first time meeting Dr. O'Brien. She was an absolute pleasure. She listened to my problem and came up with a solution and was extremely understanding. It further reinforced how happy I am with the care I receive at your office.” Loretta M

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