staffArima Dental Care is proud to serve San Mateo and its surrounding areas. We are dedicated to providing the highest level of dental medicine along with friendly, compassionate service.

If you have any questions about how we can care for your smile, please don’t hesitate to call us at (650) 573-0628.


Our Team

Our team of dedicated dental health professionals are here to serve you. We combine extensive knowledge in the field of dentistry with a passion for helping people love their smiles. It is our goal to create a friendly and professional atmosphere that you can rely on for all of your dental needs.


Dr. Hiroyuki Arima

dr-arimaDr. Hiroyuki Arima is a well-respected, prominent dentist in San Mateo. He has been serving the community as a dentist in San Mateo for over 20 years. He has served as past president of the Japanese American Citizens League for two years. He has also been an active participant and helped organize several Health Fairs in San Francisco, and San Mateo. In the past he was also a member of the Chamber of Commerce and Rotary Club.

He is currently an active member of the American Dental Association and California Dental Association. He has also been a member of Academy of Cosmetic Dentistry, Academy of Computerized Dentistry and International Congress of Oral Implantologists.

He received his Bachelor’s degree in Biochemistry at the University of California at Berkeley. He went on to complete his training at the Washington University School of Dental Medicine in Saint Louis, Missouri, where he earned his dental degree.

Over the years he has gained extensive experience and training in restorative dentistry including cosmetics, prosthetics, implant surgery and reconstructive dental care. With his skills and knowledge, he is able to offer state of the art dental care with the latest equipment and techniques.

Invisalign, an alternative to traditional orthodontics with wires and braces, is another treatment that Dr. Arima has expertise on. He has spent many hours attending lectures, workshops, forums and study sessions to improve and refine his skills and knowledge of planning Invisalign cases. Straightening an uneven bite will lead to a healthier, less troublesome mouth as well as a more attractive smile.

As people now live longer and pursue an active, more productive life, it is his belief that quality of care is most important to individuals.

Dr. Arima treats his patients with the best comprehensive care that dentistry can offer, allowing his patients an opportunity to choose what is best for their wellness.


Dr. Stacey Bui

dr-stacey-buiDr. Stacey Bui is a general and cosmetic dentist serving the bay area and San Mateo County. She is an active member of American Dental Association, California Dental Association, and San Mateo County Dental Association. She has been with Arima Dental Care for 9 years.

Dr. Bui received her Bachelor of Science degree in Chemical Engineering from University of California at Berkeley. After graduation, she went on to work in semiconductor and aerospace industries. After spending a number of years working as an engineer, Dr. Bui got the opportunity to return to school to continue her training in dentistry. She earned her Doctor of Dental Surgery degree from University of California in San Francisco. Dr. Bui continued to advance her dental training through numerous workshops, seminars, conferences, and study groups. She also received certifications for Invisalign (invisible orthodontics) and dental implants.

Dr. Bui emphasizes on preventive and comprehensive dental care. She is committed to provide quality care personalized for each patient. Patients are encouraged to actively participated in their dental care and treatment. Preventive dental care also includes straightening crooked teeth and uneven bite that will lead to improving oral health and reducing complicated future dental treatments. Our State of the Art dental office is equipped with intra-oral scanner as well as skilled doctors to achieve the excellent results that our Invisalign patients enjoy.

Dr. Bui also loves taking care of dental needs and oral health for children. She looks forward to getting to know you and your child. Our entire team is dedicated to make each visit to our office a positive experience for our little adult patients.