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The present study tested the hypothesis that the type of anterior tooth movement is correlated with the height level of the power arm with respect to the center of resistance (CRe) of a tooth, but not with the power arm length itself in sliding mechanics using three-dimensional (3D) model analysis.Anterior teeth were retracted with sliding mechanics using power arms of different lengths in five subjects...
The present study aimed to establish a method for qualitatively and quantitatively determining tooth movement by integrating three-dimensional (3D) model analysis and cephalometric analysis.Superimposition of 3D images of dental casts before and after orthodontic treatment was performed in two steps. First, initial and final 3D images of dental casts were superimposed at the central incisor and then...
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