From: 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 study
Torque compensation
Without
With
Aligner thickness (mm)
0.5
0.75
The rotation angle of central incisors in sagittal direction (°)
−0.1688
− 0.1262
0
The corresponding power ridge height (mm)
0.7
0.25