As a prominent dentist in Singapore, Dr Lee Tong Lynn obtained her Bachelors in Dental Surgery from the National University of Singapore in 1991. In 1996, she obtained the Masters of Dental Surgery in Orthodontics from University of London. Dr Lee keeps abreast of new developments in dentistry by going for dental courses both locally and overseas. She has gone for further training in lingual orthodontics (invisible braces) in the United States of America. Besides lingual orthodontics, she also does ceramic (tooth coloured) braces, clear aligners and removable braces.
Dr Lee Swee Khiang, another well-known dentist in Singapore which also happen to be her father, is also an orthodontist. He obtained the M.Sc. in Orthodontics from Northwestern University, Chicago, U.S.A. He is a graduate of the University of Malaya, and he has also obtained a M.D.S. in Prosthodontics from the University of Singapore. He is also a member of the Academy of Medicine, Singapore.