Our Team


Making smiles in Los Altos, CA wider and brighter since 1994

Welcome to Los Altos Main Dental, conveniently located in the Los Altos Main Street. Here, our professionals know that dental health is not just about white smiles: it’s about having strong teeth and healthy gums. It’s about prolonging the simple joy of eating delicious things! Our mission is to help our patients accomplish these goals in a painless, compassionate, and efficient way.

We aim to educate our patients in a safe environment while offering them necessary comprehensive care. We understand that many people have anxiety about dental treatment, so we created a soothing environment and a scheduling system that never keeps you waiting long. By combining the latest technology with traditional techniques, we give our patients the best care in the District.



Dr. Thanh Chau, D.D.S.

Dr. Thanh Chau is a graduate of Sacramento State University, with a bachelor's degree in Biological Sciences with a minor in Anatomy and Physiology. He received his doctorate degree in Dental Surgery at the prestigious University of the Pacific, School of Dentistry in San Francisco. Dr. Chau was recognized and chosen to work in advanced training with Dr. L. Stephen Buchanan, a renowned dental educator focused on endodontic dentistry in Santa Barbara. 

Following his training, Dr. Chau continues to broaden his skills through many continuing education courses in cosmetic dentistry, implantology and Invisalign. His extensive experience with Invisalign allows Dr. Chau to provide specialized treatment for patients who are looking to enhance their smile. 

Outside of the office, Dr. Chau enjoys spending time with nature and the ocean. He enjoys tennis, biking, gourmet cooking and scuba diving. 

Dr. Chau is proud to be standing member of the

Santa Clara County Dental Society

California Dental Association

American Dental Association

since 1994


Dr. Trang Nguyen, D.D.S.

Dr. Trang Nguyen is a graduate of the University of California, Davis with a bachelor's degree in Biological Sciences. She received her doctorate degree in Dental Surgery at the prestigious University of the Pacific, School of Dentistry in San Francisco. Dr. Nguyen enjoys working on patients of all ages and focuses on preventive and restorative dentistry, which provides her patients with a comprehensive approach to oral health. 

On a more personal note, Dr. Nguyen enjoys maintaining a healthy lifestyle and loves biking, hiking, yoga, traveling, and reading.



Abby Cabanilla, Business Manager

Abby was born and raised in the Philippines. She has worked in a dental field since 2010. She received her bachelor's degree in business administration major in management information system in 2001 at Colegio De Dagupan Philippines.

She joined Dr. Chau and Dr. Nguyen in August of 2014 as a business manager. She takes care of all financial aspects of the business and manages the insurance, billing, scheduling and front desk. 

Abby loves her job because she gets to work with Drs. that are compassionate and honest to their patients. The doctors she is working with explain the treatment to their patients and listen to their questions and concerns. She likes the fact that the Drs. treats all of their patients as if they are immediate family members. She loves that the doctors always puts the patients interest first.

She and her husband raised three children and they enjoy spending quality time with them playing soccer, volleyball, painting and reading.



Guadalupe Torres

Lupe has been our Dental Assistant since 2008 and has over 15 years of experience in the dental field. She has a technical X-ray and dental assistance certificate from Milpitas College, written practicals, and is CPR certified.

She loves assisting the doctors in treating their patients. This way, she also gets to meet people from all parts of the world and enjoys learning about their culture. She loves how all her patients leave with a smile on their face and say "Thank You" Lupe.



Maribel Grimaldo

Maribel joined Main Dental in 2014. She has been in the dental field for six years. She feels blessed to be part of the Main Dental team and could't imagine a better and more positive working environment. She respects the knowledge, the kindness and excellent skills of the doctors which are providing the best dental care possible. The teamwork and the upbeat attitudes shown from all of the staff make each of her working day is a great day. Along with the guidance of the doctors and co-workers she is enjoying to help every patient.