Fig. 7From: Comparative assessment of orthodontic clear aligner versus fixed appliance for anterior retraction: a finite element study(A) Displacement tendencies of second premolar, first molar, second molar in sagittal dimension. (B) Crown displacement of second premolar, first molar, second molar in sagittal dimension. (C) Displacement tendencies of second premolar, first molar, second molar in vertical dimension. (D) Crown displacement of second premolar, first molar, second molar in vertical dimensionBack to article page