Fig.7: Devon, 5 years old, LR6 (*) rotates, as compared to Fig.8 (LL6).

图七:Devon,五岁,右下第一恒磨牙扭转(*,与图八:左下相应牙齿对比)

Early Ortho

Xin Wei, DDS, PhD, MS 1st edition 07/16/2013, last revision 08/25/2013