Progressive Orthodontic Seminars | Orthodontic Continuing ...

In addition, the molar [crown] tips-back, increasing archlength in the mixed dentition [retained with LLA). The toe-in was to prepare the molar for the future use of class II elastics (rotate mesial buccal to compensate for the unwanted mesial-lingual rotation resulting from the class II elastic force acting at the buccal ball hook). ................
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