Smile More Confidently

Dr. David Li is a Board-Certified Specialist in Orthodontics and a Diplomate of the American Board of Orthodontics. Dr. Li began his career by receiving his Bachelor of Science degree from the University of Southern California. He went on to stay at U.S.C. to receive his Doctor of Dental Surgery (D.D.S.) there as well. Dr. Li was not done with U.S.C. yet. He continued at U.S.C. for his advanced specialty training, receiving a Certificate in Orthodontics and a Master of Science in craniofacial biology. During his training, his research emphasis was on the development and comparison of 3-D volumetric x-rays with traditional 2-D x-rays.

Dr. Li was actively involved in organized dentistry during dental school, most notably being the Region 10 Trustee, where he represented the 7 west coast dental schools in political forums on a nationwide basis. He was also Student Body Vice-President and the ADA Representative for the U.S.C. School of Dentistry.

Dr. Li has continued to stay involved with organized dentistry. He is an active member of the San Diego County Dental Society, and is a member on the Recruitment and Retention Committee. Dr. Li is a member of the CDA, the ADA, the Pacific Coast Society of Orthodontists, the American Association of Orthodontists, World Federation of Orthodontists, and the Pierre Fauchard Academy.


In addition, Dr. Li has continued his commitment to give back to the community. He was past Chair of the 4S Ranch-Del Sur Community Foundation, whose goal is to support schools, non-profit organizations, and community activities in the 4S Ranch-Del-Sur area. He is current Chair for the Stone Ranch Elementary School Foundation. Dr. Li is also a member of the San Diego Chamber of Commerce.

In his free time, Dr. Li enjoys outdoor activities, traveling, and spending time with his lovely wife and their two beautiful children.

Mirna Nguyen, DMD

We are proud to have our associate orthodontist, Dr. Mirna Nguyen with the practice for over 5 years. Many of you already know Dr. Nguyen and will agree that her warm, bubbly personality and understanding demeanor quickly puts patients at ease. With her extensive training, we know that Dr. Nguyen will continue the high standard of professional care that our office provides.

A Canadian native, Dr. Nguyen received her D.M.D. from the University of Montreal. She then decided to come stateside, completing a GPR at Kingsbrook Jewish Medical Center in New York, where she gained valuable experience in general dentistry and treatment of medically compromised patients. Dr. Nguyen stayed in NYC and pursued her specialty training in Orthodontics at Maimonides Medical Center, where she received her Certificate in Orthodontics and Dentofacial Orthopedics. Dr. Nguyen has been nominated and received several honors and awards based on her academic and personal achievements.

During her orthodontic residency, Dr. Nguyen developed a special interest in orthognathic surgery and cleft lip and palate deformities. She became a member of Smile Train, an international charity that provides surgery to those in need. These same interests have driven her to travel to Columbia, Brazil, South Africa, Ecuador, and Portugal to further expand her knowledge.

Dr. Nguyen is a Fellow of The Royal College of Dentists of Canada and is board eligible for the American Board of Orthodontics. She devotes a lot of her time to continuing education meetings and conferences all over the world in order to keep her knowledge and skills up to date.

When not in the office, Dr. Nguyen enjoys many different types of activities, but most of all, she values spending time with her husband and beautiful new daughter.