Koll Center Dental Group is a Pleasanton based family dentist practice that treats patients of all ages. We are committed to delivering the highest quality dental care and do so using state-of-the art dentist equipment.


We are a cosmetic dentist that offers services like Invisalign®, Veneers, Dental Implants, Zoom Teeth Whitening and more. We also perform emergency dentist services that include root canals, crowns, sedation dentistry, and bridges. As a local dentist, we create lifelong relationships with our patients and their families and work to ensure that they receive treatments in a comfortable and relaxed environment. Our staff invite you to schedule an appointment by calling 925-484-2828 and experience why our patients think Koll Center Dental Group is the best dentist in Pleasanton.


Meet Our Doctors and Specialists


S. Gavin Ewing D.D.S.

S. Gavin Ewing D.D.S.

Doctor of Dental Surgery
Gavin Ewing DDS is a general dentist who enjoys the variety afforded in offering the full scope of dental procedures to our patients. He loves seeing his hard work pay off when our patient’s enjoy their new smiles.

Dr. Ewing credits his own dentist with inspiring him to enter the dental profession. It is a field that he finds rewarding because he loves working with his hands and staying cutting edge by taking post doctorate continuing education.

Dr. Ewing was born in Northern Ireland and immigrated to the United States when he was 9 years old.

He grew up in New Jersey and attended The College of New Jersey on a full academic scholarship, where he received his bachelor’s degree with honors in Chemistry. He went on to pursue his passion for dentistry at Columbia College of Dental Medicine. During his time at Columbia, Dr. Ewing was a founder and team leader for the Dental Anxiety, Fear and Phobia Team, and conducted an in-depth review of the available techniques for helping anxious or fearful patients. Dr. Ewing also was active in student government, the American Dental Association, and Kids International Dental Service. Dr. Ewing was awarded the prestigious Omicron Kappa Upsilon distinction at graduation.

Dr. Ewing pursued a general practice residency after graduating from dental school, and received advanced training in prosthodontics, endodontics, periodontics, oral surgery and implantology. He completed this training at Sepulveda Veterans Affairs Hospital in Los Angeles. While in this program, he enjoyed providing high quality comprehensive care to disabled veterans while expanding his didactic and clinical skills.

Dr. Ewing has earned a solid reputation for providing comprehensive clinical services to his patients while maintaining a patient and caring demeanor. He looks forward to getting to know his patients and providing them with the highest level of quality dentistry.

Dr. Ewing is a member of the following professional organizations:
  • American Dental Association
  • California Dental Association
  • Omicron Kappa Upsilon National Dental Honors Society

In his free time he loves to kite-surf, snowboard, and listen to live music. He is also having a blast getting to know his new home, the Bay area!

Here are some fun facts about Dr. Ewing:
  • Proudest accomplishment: graduating in the top nine people of my dental school class at Columbia.
  • If he could possess one super-human power, it would be: slowing down time like in The Matrix.
  • The main lessons he has learned in life: It is ok to be happy. By being a happy person yourself, you help to make others around you happier. Always stay positive. Treat others as you would like to be treated.

Meet The Team


When you visit Koll Center office in Pleasanton CA, your smile is our top priority. Our entire team is dedicated to providing you with the personalized, gentle care that you deserve.
Lucy N.

Lucy N.

Registered Dental Hygenist

Lucy has over 35 years of experience in the dental field that includes 26 years of dental hygiene care. She has worked in the following areas of dentistry: Orthodontics, Periodontics, Pedodontics, and General Dentistry. She not only takes pleasure in treating and educating all of her patients but she also takes the time to get to know them.

When she is not working, she enjoys spending time with her family and relaxing at the beach.

Amber M.

Amber M.

Treatment Coordinator

Amber has worked in the dental profession for over 10 years and has extensive knowledge in dentistry as well as orthodontics. Outside of her profession, she enjoys traveling, being at the beach, boating and spending time with her family.

Liz

Liz

Bio Coming Soon!
Amber K.

Amber K.

Bio Coming Soon!