Meet Our Doctors

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Introducing The Team At Delicate Smiles

We would like to share some of the details of the new office with you as well as introduce you to the dental team. 

Where is the office located?

Our new office is located at 4531 Philadelphia St. Suite B-107, Chino, CA 91710. For those who are more familiar with the area, we are on the corner of Philadelphia and Ramona off the 60 Fwy. 

We hope you enjoyed getting to know our doctors at Delicate Smiles. Our goal first and foremost is to deliver excellent dental care and to provide exceptional patient experience. We strive to make you feel very comfortable and right at home the moment you step into our office. Our intention is to build long lasting relationships by getting to know the community and every single one of our patients. We are confident that you will be cared for and pleased because our doctors and staff believe that a visit to the dental office should be more than a visit, it should be an experience. Again, we welcome you to Delicate Smiles! 

Dr. Ho-Yin Leung


Dr. Ho-Yin Leung grew up in Southern California where he attended Bishop Amat High School (La Puente, CA). Dr. Leung became a periodontist because he felt that was the best way he could help patients improve their smiles through treatment and prevention. He is a highly skilled and knowledgeable periodontist who believes in delivering the highest quality dental care to his patients. He is experienced in all phases of modern periodontal therapy and dental implant placement, using advanced techniques and materials.

Dr. Leung pursued his Bachelor of Science in Molecular Biology, Bachelor of Arts in Economics, and Master of Science in Biological Sciences at University of California, San Diego between 2001 and 2007. He, then, completed his Doctoral degree in Dental Surgery (D.D.S.) in 2014 and his specialty training in Periodontics and Implant Surgery in 2017 at UCLA School of Dentistry. He became a Board Certified Periodontist in 2018.

Dr. Leung has taught at the university graduate level in both UCSD and UCLA as a graduate student and a resident for many years. He is currently a clinical adjunct faculty at UCLA School of Dentistry mentoring future dentists. Dr. Leung had also involved with numerous research effort and co-authored articles in peer-review journals while he was a research associates at UCSD, Caltech, and UCLA.

Dr. Leung is married to Dr. Marie Dizon (Pediatric Dentist) and enjoys spending time with his children, Ayden and Adelynn

Find out more about what is a Board Certified Periodontist.

Dr. Marie Dizon

Pediatric Dentist

Dr. Marie grew up in Southern California, where she earned her Doctorate of Dental Surgery from the University of California, Los Angeles. Following dental school, she went on to complete an Advanced Pediatric Dental Residency at the University of Southern California with additional training at Long Beach Memorial Medical Center exclusively in pediatric hospital dentistry.

Board Certified in Pediatric Dentistry, Dr. Marie is currently a Clinical Assistant Professor at the USC School of Dentistry and plays an active role in her community by helping provide free dental care to low-income children in the Los Angeles County + USC Medical Center.

She is a member of many dental organizations, including American Academy of Pediatric Dentistry, the California Society of Pediatric Dentistry, the California Dental Association, the American Dental Association, and San Gabriel Valley Dental.

Her philosophy in pediatric dentistry combines the latest dental techniques with the knowledge of a child’s psychological and emotional needs at each stage of life. She hopes that by providing a fun and positive dental experience, she can provide each child with a desire to incorporate dental health as an integral part of their lifestyle.

In her free time, Dr. Marie likes to read, cook, travel, and spend time with her husband, Dr. Leung, and her two children, Ayden and Adelynn.

Find out more about Dr. Marie

Find out more about what is a Board Certified Pediatric Dentist.

Dr. Sandy Dizon, Jr.

Restorative and Cosmetic Dentist

Dr. Dizon studied at UCLA School of Dentistry and is experienced in cosmetic, general and implant restorative dentistry. Providing the most advanced dental care in a comfortable and pleasant atmosphere is one of the top priorities.

Dr. Dizon is dedicated to incorporating conventional and modern dental techniques while treating his patients with the latest advancements in Dentistry. He is also committed to treating the community of Chino, CA where prevention, comfort, education and excellence are his top priorities.

Dr. Dizon is a member of the American Dental Association (ADA) as well as the California Dental Association (CDA). With his endless passion for dentistry, Dr. Dizon regularly takes continuing education courses in all areas of dentistry to enhance the depth of his dental practice.

In his spare time, Dr. Dizon enjoys spending time with his friends and family.

Dr. Denise Robles-Banda

Restorative and Cosmetic Dentist

Dr. Banda is a three time graduate of UCLA where she received her undergraduate and dental degree. Following dental school, Dr. Banda completed an Advanced Education in General Dentistry (AEGD) residency also at UCLA. During this intensive program she received additional training in comprehensive restorative care and implant dentistry.

Ongoing education and training has also been a priority for Dr. Banda. She continues to take numerous continuing education courses in contemporary dental technology, cosmetic dentistry and Invisalign.

When not in the office Dr. Banda enjoys hiking, bike riding at the beach and watching period pieces.

Healthy Smiles

What does your smile say about you? Let us help you radiate confidence with a healthy smile.



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