A longtime resident of Montgomery County, Dr. Tong graduated from the University of Maryland Baltimore College of Dental Surgery with his D.D.S. degree, after receiving his Bachelor of Science from the University of Maryland at College Park. Dr. Tong is dedicated to providing the highest quality of care in a gentle and comfortable manner. He attends extensive seminars, workshops, and lectures to stay on top of the latest dental techniques and materials available in modern dentistry. He has completed advanced training at the world renowned Dawson Center for Advanced Dental Studies. This commitment to excellence allows him to utilize the newest proven techniques to maintain the best dental care for his patients.

Dr. Tong is a devoted family man and enjoys basketball, aquariums and movies. He is a Major in the Maryland Army National Guard and a member of the American Dental Association, Maryland State Dental Association, and Academy of General Dentistry.

Mara is a wife, a mother of three, a youngest sister, and an auntie. Born in Olney, raised in Frederick, and a resident of Gaithersburg for the last eight years, she enjoys weekends that include family outings, playing Scrabble and other group games with friends and of course as a true Marylander, eating crabs. If you have a second to chat, you'll find Mara to be a resource for delicious recipes.

She's a great fit for Dr. Tong's new office because she has over eight years dental office experience. She has received many certificates for continued education coursework including Financial Effectiveness, Dental Coding, Invisalign, and OSHA/HIPAA Compliance. She possesses a strong committment to providing quality customer service with a Rockville smile, of course!

Born in Lima Peru, Judith studied at the National University of San Marcos School of Dentistry for five years while working as a dental assistant. In 2000 she left Peru come to the United States to be reunited with her husband. She and her husband with their two children now reside in Gaithersburg.

Judith shares Dr. Tong's mission of providing the finest dental care for a lifetime of the best possible oral health. Judith has over seven years of experience in dental assisting. She is X-ray Certified and is on her way to obtaining her Certified Dental Assistant License.

A Tennessee native with deep southern roots, Kelly began her career in dentistry in 1981 when she became a certified dental assistant. After 17 years of dental assisting, she decided to expand her committment to dentistry by becoming a dental hygienist. She graduated from Alleghany College of Maryland dental hygiene program in 1998. Since then she has been providing outstanding care to al of her patients. She is a member of the American Dental Hygienists Association, Maryland Dental Hygiene Association, and Montgomery County Dental Hygiene Association.

Kelly enjoys long weekends filled with good food, watching movies, and attending WVU football games with her daughter Katie who attends college there! As a true southerner, she will make you feel right at home in our office with her southern hospitality.

Jan Mattingly - Dental Hygienist

Jan is a registered dental hygienist and a native Washingtonian. She is a graduate of Alleghany College and practices full-time in Montgomery County. She is a member of the American Dental Hygienists Association, Maryland Dental Hygiene Association, and Montgomery County Dental Hygiene Association.

She participates in continuing education and specializes in treatment of periodontal disease. She enjoys working with families and children of all ages at Rockville Smiles.

Jan is happy to be a member of the friendly, caring staff at Dr. Tong's state-of-the-art practice in downtown Rockville.