Lamorinda Tooth Buddies

About Us

We are very excited to be the first pediatric dental office in   Lafayette. We truly enjoy and feel honored to serve the Lamorinda community and aim to make each dental visit a   fun experience that your child will not forget! Our Tooth Buds name was inspired by the fact that teeth stem from tooth buds, but also that we are "buds" with our patients and their families! The décor in each of the rooms in our office was inspired by a place that Dr. Roy has lived that has been important to her. We have a San Francisco, New York, and Boston room. We can't wait to have you check out our cities and have you become one of our "Tooth Buddies" soon!"

Why Choose Us?

Our office is committed to providing dental care in a warm and nurturing environment. We understand that a dental visit can sometimes be a frightening experience and so we strive to make visits fun, unique, and memorable for your child. We want to make coming to our office  something that children look forward to while also helping them understand the importance of taking care of   their teeth and oral health. Our team focuses on prevention and uses a comprehensive treatment approach to provide the highest quality care while having fun!

Listening to those we are privileged to serve.

Earning the trust and respect of patients, professionand community.

Exceeding your expectations.

Ensuring a creative, challenging and compassionate professional environment.

Striving for continuous improvement at all levels.

Meet Our Doctors

Dr. Roy - Lamorinda Tooth Buds
Dr. Roy

Dr. Barnali Roy grew up in Southern California. She received her Bachelor’s degree in Biochemistry with a minor in Psychology from the University of California, San Diego. After college, she spent one year doing research in Boston at Harvard Medical School. She then went on to obtain her doctor of dental surgery (DDS) degree from Columbia University College of Dental Medicine where she was honored with an Award for Academic Excellence in Pediatric Dentistry.

During dental school, Dr. Roy realized her passion for working with children. She completed a postdoctoral residency program in Pediatric Dentistry at Columbia University-New York Presbyterian Hospital. During residency, she gained extensive experience in working with children with special healthcare needs, craniofacial anomalies, interceptive orthodontics, and treatment with IV and oral sedation. Dr. Roy is a board-certified Diplomate of the American Board of Pediatric Dentistry.

Dr. Roy is an assistant professor at the UCSF School of Dentistry. She also serves as a committee member on the California Society of Pediatric Dentistry. She is an active member of the California Dental Association, American Academy of Pediatric Dentistry, American Dental Association, Contra Costa Dental Society, and San Francisco Dental Society. Each year, Dr. Roy participates in global mission trips to help provide dental care to children in various underserved parts of the world.

Outside of dentistry, Dr. Roy enjoys spending time with her family, friends, and dog Buddy. She enjoys doing yoga, going on hikes, running, art, watching sports, volunteering and exploring the Bay area! Dr. Roy can also speak Spanish and Bengali.

Dr Katie Kim

Dr. Katie Kim grew up in the Bay Area. She received her Bachelors of Science degree in Biology at the University of California, Irvine. She then moved to Los Angeles, CA to complete her doctor of dental surgery (DDS) degree at the University of Southern California, where she discovered her passion for working with children while volunteering at community clinics. She graduated in the top of her class and was inducted into Omicron Kappa Upsilon, a national dental honor society.  

Dr. Katie then made the move to Pittsburgh, Pennsylvania to complete her residency in pediatric dentistry at the Children’s Hospital of Pittsburgh, a hospital consistently ranked in the top 10 of all U.S. Children’s Hospitals. Working in a Children’s Hospital and Level 1 trauma center granted her extensive experience in the areas of dental trauma, special healthcare needs, growth and development, pharmacological modalities including IV and oral sedation, and behavior modification/management. She is an active member of the California Society of Pediatric Dentistry and the American Academy of Pediatric Dentistry.  

When not playing with her patients, Dr. Katie enjoys spending time with her family, friends, and crazy cat Flapjack “Jacky” Kim. On the weekends you will find her rock climbing, practicing yoga, going on hikes, playing the piano/ukulele, and knitting dolls for her loved ones.

Lamorinda Tooth Buds Gallery

Our Patients Say

What a wonderful experience! Everyone was so sweet and did everything they could to make my 5 year old comfortable! The office is perfect for keeping patients both safe and entertained! My son looks forward to going to the dentist...

- Lauren

Dr. Roy and her entire team are exceptional! I took my 3-year-old son for the first time, and he enjoyed the experience so much he talks about his dentist all the time! Dr. Roy certainly has a gift for this.

- Pina

Our kids LOVE Dr. Roy - one is even inspired to become a dentist as a result of our time here. Dr. Roy is very knowledgeable, trustworthy, and just an absolute pleasure to see interacting with our kids.

- Minoj

Dr. Roy and her staff are phenomenal. The team always provides so much information and helpful advice for our 1- and 4-year-old girls. Also, Dr. Roy really knows how to talk with younger kids and let them know what they can do for their dental health.

- Heather


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