Kenneth Lew,Porfile changes following orthodontic treatmentof bimaxillary protrusion in adults with the Begg appliance Eur J Orthod 11(1989)375-381.

• 林燕等应用直丝弓矫治器对双牙弓前突进行拔牙矫治前后颌面软硬组织的变化口腔正畸学2002；9；1.