The final aligner in a series is sometimes requested to include over-corrections. Over-correcting certain tooth movements reduces potential relapse.


With Over-Correction


Before Over-Correction



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Lingual/Labial Movement

Typical lingual/labial movement capabilities.



Rotations

Realistic expectations for rotational changes.



Interarch Coordination of Tooth Movement

Avoiding interarch interference.



Torque

Torquing anterior teeth in moderation.