Cornerstone Dental Group provides personalized, high-tech dentistry designed around your comfort. Enjoy a boutique experience backed by modern diagnostics, gentle treatments, and a team that treats you like family.
Monday – Thursday
8 am – 5 pm
Friday
8am – 1pm
Welcome to Cornerstone Dental Group – a quality dental healthcare facility for adults, kids, and everyone in-between. It is our goal to offer total oral and dental care for our patients, and to listen to and understand exactly what they need to reach their dental goals.
We are a privately owned boutique practice serving Littleton, Groton, Tyngsborough, Chelmsford, and surrounding communities. Every visit is rooted in compassion, clarity, and clinical excellence.

Love the Smile You See

Restore Strength, Beauty & Function

Keep Your Smile for Life

Precision Care Powered by AI

Straighten Your Smile Discreetly

Fast Relief When You Need It Most
Dr. Kharin brings a rare blend of clinical excellence and compassionate care to his practice. A Tufts University School of Dental Medicine graduate and the only Academy of General Dentistry Fellow in Bedford, MA, he is deeply committed to ongoing education and personalized patient care. With a background in psychology and a thoughtful, patient-first approach, Dr. Kharin focuses on truly understanding each individual and guiding them toward optimal oral health.
Yes, we welcome new patients of all ages. You can easily book online or call our office. We offer flexible scheduling, digital forms, and a smooth first-visit experience.
Are you ready to smile brighter and more confidently? Our office offers a full array of dental services to help you create a satisfying smile. Contact us today to schedule your appointment!