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Didier FILLION has been practicing lingual orthodontics exclusively for 33 years. He has held courses in Lingual Orthodontics around the world  and lectured in all important adult orthodontic congress. 


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Founding member and  Honorary President of the French Lingual Orthodontic Society ( SFOL )

Founding member of the European Society of Lingual  Orthodontics ( ESLO ) 

Founding Member and 1st President of the British Lingual Orthodontic Society (BLOS ) 

Founding member and 1st President of the World Society of Lingual Orthodontics    ( WSLO )

Course Director of the two-year Lingual Orthodontic Post-graduate program at Paris-V University ( France) from 1996 to 2010

Co-Director of the Fellowship of Lingual orthodontics at the University of Texas-San Antonio (USA)

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