The impaction of maxillary canines is a challenge for orthodontists. Recently, new methods have been proposed to accelerate canine withdrawal. The associated dental changes between the conventional and accelerated methods of canine traction have not yet been assessed.
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Change in the upper dental midline deviation
Timeframe: T1: before the commencement of canine traction (expected to occur within 3-5 months following the beginning of fixed orthodontic treatment). T2: at the end of the canine traction stage (expected to occur with 5-8 months after T1)
Change in the rotation of the lateral incisor.
Timeframe: T1: before the commencement of canine traction (expected to occur within 3-5 months following the beginning of fixed orthodontic treatment). T2: at the end of the canine traction stage (expected to occur with 5-8 months after T1)
Change in the rotation of the first premolar
Timeframe: T1: before the commencement of canine traction (expected to occur within 3-5 months following the beginning of fixed orthodontic treatment). T2: at the end of the canine traction stage (expected to occur with 5-8 months after T1)
Change in the inter-premolar width
Timeframe: T1: before the commencement of canine traction (expected to occur within 3-5 months following the beginning of fixed orthodontic treatment). T2: at the end of the canine traction stage (expected to occur with 5-8 months after T1)