Didier Fillion has practiced Lingual Orthodontics exclusively in Paris since 1987 and London since 1997.
He is the only orthodontist in the world to maintain a full-time Lingual Practice. Didier considers himself above all as a practitioner. He is considered to be one of the world leaders in the field of Lingual Orthodontics, not only for his unique Lingual practice, but also for the numerous articles he has written. He has given many courses and spoken at conferences all over the World.