Lingual Arch & Root movement. Arc lingual & mouvement de racine.
This case depicts molar uprighting using a lingual arch followed by a root spring to upright the canine. Then protracting the lower left 2nd molar to close the residual edentulous space without retraction of the anterior teeth with the help of a TAD.
I think most slides are self-explanatory.
Reference
Marcotte Michel, Biomechanics in Orthodontics. 1990, BC Decker
Burstone , Choy, The Biomechanical foundation of clinical orthodontics, 2015 Quintescence
Personal Communication Dr Claude Remise, U Montreal
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