Owen A H
Angle Orthod. 1986 Jan;56(1):67-87. doi: 10.1043/0003-3219(1986)056<0067:MIRICI>2.0.CO;2.
Fifty patients treated with Fränkel and fifty treated with Edgewise appliances are compared, finding Edgewise more effective in maxillary retraction and torque control, and Fränkel producing less undesirable lip retraction.
对50名接受方丝弓矫治器治疗的患者和50名接受方丝弓矫治器治疗的患者进行了比较,发现方丝弓矫治器在上颌后缩和转矩控制方面更有效,而肌激动器产生的不良唇后缩较少。