





Our goal is to develop a strong partnership with every patient. When you understand the importance of your dental health, we can help you maintain a healthy mouth, as well as treat the causes and symptoms of any dental condition.
We invite you to read our latest SmileLink newsletter and to check out our website often for new information, or contact our office with any questions or concerns. Working together, we can help you achieve a lifetime of healthy and attractive teeth and gums.
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Lilian S. Ong, DDS, Inc. and Associates Family Dentistry
820 W. Merced Avenue, West Covina, California 91790








Dr. Ong’s passion for dentistry is what makes her Southern California-based practice stand out – the art of balancing a patient’s face for a beautiful smile has remained her goal for more than 25 years. She has proven herself as a distinguished Los Angeles cosmetic dentist among colleagues. After graduating from Loma Linda University’s School of Dentistry as one of the top students in her class, she continued her education by pursuing the fields of orthodontics and cosmetic dentistry. Dr. Ong’s accomplishments are also rooted in her family. She is married to a physician, as well as a proud mother of three – 14, 17, and 20 years old. Dr. Ong is a member of the Fellow of American General Dentistry (www.AGD.org), which requires intense testing and 400 hours of hands-on courses in all categories of dentistry. Dr. Ong is affiliated with a variety of renowned associations, all of which have contributed to her expertise in the field of dentistry. These include:
She is also knowledgeable in the field of TMJ (“Temporomandibular Jaw”); a condition that requires evaluation of a patient’s headaches, clicking and popping of the jaw.
Dr. Ong’s dedicated medical professionals are prepared to provide you with a full range of dental treatments. From the receptionists in the waiting area to the hygienists, periodontist, and oral surgeon working with West Covina cosmetic dentist Dr. Ong, each individual shares the common goal of treating each and every patient with respect, quality service, and technologically-advanced treatments:
Dr. Lilian Ong, D.D.S., F.A.G.D., Cosmetic and Orthodontics
William Ardary, M.D., D.D.S., M.S., Oral Surgeon
Dave Corradi, D.D.S., M.S., Periodontist
Jenny Taller, R.D.H.; Patrick Joyce, R.D.H., Hygienists
Vivian Dorame, D.A.; Diane Cuperus, R.D.A., Receptionists
Kim Brown, R.D.A.-E.F.; Jennifer Davis, R.D.A.; Nellie Olaque, D.A., Assistants
We encourage you to call our office at (626) 918-3388 to make an appointment for a consultation visit.




Lilian S. Ong, DDS, Inc. and Associates Family Dentistry
820 W. Merced Avenue, West Covina, California 91790


