About Us

Our Practice & Core Values RSSSDs

To whom you entrust the care of your teeth and gums is an important life decision. Proper dental hygiene at home is one huge part of protecting your oral health throughout life, but the other key component of a complete oral health plan is finding a dentist you can trust for comprehensive, compassionate, and affordable dental care.

We, Smile Again Dental Group, are a comprehensive dental care service with state of the art technology to provide high quality service and customer satisfaction. We have been providing top quality dental and oral care to the people of Los Angeles and San Fernando Valley.

We provide general dental treatments from regular check ups and teeth cleanings to cosmetic procedures like teeth whitening to major dental operations like dental implants or orthodontic treatments. We always make it our most important goal to serve you and meet your dental needs in the most efficient, effective, and convenient way possible. We put a high premium on honesty, integrity, and true professionalism in dentistry.

Dr. Nathan Lee
Dr. Christopher Chung

Dr. Nathan Lee

Dr. Nathan Lee was born in Korea and raised in Los Angeles where he completed his college education at University of California, Los Angeles. Dr. Lee moved to New Jersey to attend Rutgers University to complete Master of Biomedical Sciences, concentrated in Oral Medicine, and Doctor of Medicine in Dentistry.

In his free time, Dr. Lee enjoys spending time with his wife and two sons, traveling the world, and volunteering in medical missions.

Dr. Christopher Chung

Dr. Christopher Chung

Dr. Christopher Chung graduated from Boston College in Massachusetts with double majors in Biology and Studio Art and completed his dental training at Rutgers School of Dental Medicine in New Jersey. He also holds a Master of Biomedical Sciences degree in Oral Medicine from Rutgers. In his free time, he loves spending time with friends and family – Dr. Chung’s passion for helping and connecting with patients is reflected by the quality and attention he gives to each patient he encounters. 


The Most Qualified Staff

Diana Choi / Patient Coordination

Cynthia Gomez / Receptionist

Evelyn Gurrola / Receptionist

Ian Barcelona / Registered Dental Assistant

Irene Jovel / Dental Assistant

Latest Techniques

Smile Again utilize 3D CBCT to safely approach complicated treatments. Smile Again utilizes iTero scanner for our Invisalign orthodontic treatments and different restorative cases.

Innovative Technology

Our doctors at Smile Again perform guided surgery for the most accurate and safe result.

Certified Experts

Our doctors are both Invisalign certified dentists!


Call the Office

Valley Office

(818) 776-9300

Los Angeles Office (213)385-8242


Office Locations

Valley Office -

17607 Sherman Way #206 Van Nuys, CA 91406

Los Angeles Office - 258 S. Oxford Ave Ste.101 Los Angeles, CA 90004



Monday: 9am – 6pm Tuesday: 9am – 6pm Wednesday: 9am – 3pm Thursday: 9am – 3pm Friday: 9am – 6pm Saturdays: 9am – 6pm


Email Us

Valley Office


Los Angeles Office smileagaindentalgroupla@gmail.com