10 day aligner change for treatment aligner. Refinement aligner change range between 7-5 days.
Determine space selection was the key factor to resolve the severe crowding in the upper and lower arch
Staging was also a key factor: We started with high expansion of upper molars and premolars and when gained enough space we continued with arch development and retraction to extrude upper canines
IPR was planned at upper and lower premolars
Carefull IPR tracking with distalization movement of upper and lower premolars allowed space in order to align high angle rotation of canines 2.3,3.3 and 4.3 .
Conventional bite ramps at the buccal surface of lower four incisors were used in order to correct the deepbite
Class III elastics were used in order to improve the anterior/posterior relationship and turn Class III canine and molar into full class I molar and canine.
Proclination of upper laterals 1.2 and 2.2 in order to correct the anterior crossbite.
Arch coordination tool at clincheck Pro was very helpfull.
The maxilla and mandible arch form at stage U0-L0 were very asymmetric and required arch form coordination.
Lower incisor proclination and simultaneously lower canines were retracted and distalized
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