Correction of crowding and rotations was performed through IPR and with minimal tooth expansion.
Correction of the dental protrusion was solved through posterior expansion, and posterior and anterior IPR.
Improvement of the canine class I relationship was obtained through the posterior IPR and distalization.
The patient used class II elastics only at night.
Second and third molars were not moved for better treatment future stability and anchorage control.
The reason to request additional aligners was due a restorative change in tooth 1.5 early in the treatment (aligner number 4).
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