Figure 3

Mechanical results of mesial and lateral incisors under different force angles. 1X: Central incisor coronal direction, 1Y: Central incisor sagittal direction, 1Z: Central incisor vertical direction, 2X: Lateral incisor coronal direction, 2Y: Lateral incisor sagittal direction, 2Z: Lateral incisor vertical direction, 0–90: Representing angles starting from 0° and increasing to 90° according to 5° each time.