Yiğit M D, Akin S Z
Turk Ortodonti Derg. 1989 Nov;2(2):215-25.
The aim of this research is to evaluate the treatment results of Class II, Division 1 cases whom were treated by Frankel's function regulator (FR-1b). Ten orthodontic patients participated to this research Class II, Division 1 malocclusion was present on all of our patients. On the other hand another group consisting of ten individuals who have Class II, Division 1 malocclusion were chosen as control group. The lateral cephalometric radiographs were obtained at the treatment group before and after the treatment. For the control group same radiographs were obtained at the beginning and 2 years later. As a result we found out that the orthopedic effects of Frankel appliance is limited on both upper and lower jaw. Appliance basically affects the dento-alveolar structures.
本研究的目的是评估使用方丝弓功能矫治器（FR-1b）治疗安氏II类1分类病例的治疗效果。10名正畸患者参与了本研究，所有患者均存在安氏II类1分类错牙合。另一方面，选择另一组10名安氏II类1分类错牙合患者作为对照组。在治疗组治疗前后拍摄头颅侧位片。对照组在开始时和2年后拍摄相同的X线片。结果发现，方丝弓矫治器对上颌和下颌的矫形作用有限。矫治器主要影响牙-牙槽结构。
