The cephalometric analysis showed that the angle of SNA,U1-SN,U1-NA,ANB,Y axis increased and the angle of SNB,L1-NB,L1-MP decreased on the end of this stage in all patients.

• 所有病例在该期治疗结束时SNA、U1-SN、U1-NA、ANB、Y轴角增大; SNB、L1-NB、L1-MP减小。