Fig. 1From: The three-dimensional displacement tendency of teeth depending on incisor torque compensation with clear aligners of different thicknesses in cases of extraction: a finite element studyThe structure of the finite element model a bone cortex; b bone cancellous; c periodontal ligament; d teeth; e 0.5 mm-thick aligner; f 0.75 mm-thick aligner; g the location and dimension of power ridgeBack to article page