





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







Welcome to the site of Lilian Ong, D.D.S. We are delighted that you are taking the time to learn of ways to improve your dental health and overall well-being. As you browse through The Smile Center, our online resource of dental information, know that our medical professionals are here for you. We feel that there is only one way to practice dentistry – with clear communication and clinical excellence.
At the office of Dr. Ong, we offer our patients the latest treatments and procedures to improve the appearance of their teeth, including: preventive dentistry, cosmetic dentistry, non-surgical gum treatment, orthodontics, and laser dentistry. We utilize advanced technology at our state-of-the-art facility, offering quality, accessibility, and sincerity. As a team, we believe that the most valuable service we can provide is a thorough and complete examination, with only the necessary X-rays taken during the initial consultation. At this time, we will explain our recommendations for restoring your teeth and gums to optimal health. Virtually all dental problems are easily detected in their early stages, and in the hands of a qualified dentist like Dr. Ong, it can be treated economically and comfortably.
We are committed to providing a comfortable family environment for everyone – a place where you will be treated with kindness the minute you step foot in our office. Southern California cosmetic dentist Dr. Ong and her staff know that taking charge of your dental health is essential in gaining the smile you’ve always dreamed of, and because finding the right dentist is an important factor toward enhancing your smile, we pride ourselves in exceeding our patients’ expectations.
Please feel free to search through our site for more information about Dr. Ong’s dental practice. In order to make an appointment for an initial consultation, call (626) 918-3388.