Research group | Amount of mandibular 3–3 inward retraction (mm) | Amount of mandibular first premolar torque(°) | Amount of mandibular first molar torque(°) | Amount of mandibular second molar torque(°) |
---|---|---|---|---|
A1 | 0 | -22 | -30 | -35 |
A2 | 0 | -17 | -25 | -30 |
A3 | 0 | -27 | -35 | -40 |
A4 | 0 | -32 | -40 | -45 |
B1 | 0.25 | -22 | -30 | -35 |
B2 | 0.25 | -17 | -25 | -30 |
B3 | 0.25 | -27 | -35 | -40 |
B4 | 0.25 | -32 | -40 | -45 |