Charron C
Orthod Fr. 1989;60 Pt 2:685-93.
Two multiple regression formula allow the prediction of the result for activator treatment concerning Class II occlusion. The accuracy is good on 63% of patients. The first one uses the incisal oberbite and overjet, and the height of the ramus; the other one uses the motivation of the patient before the beginning of treatment and the height of the ramus.
两个多元回归公式可用于预测II类错合畸形患者进行矫治器治疗的结果。63%的患者预测准确率良好。第一个公式使用切牙覆盖和覆合以及下颌升支高度；另一个公式使用治疗开始前患者的积极性和下颌升支高度。
