作者谈及下颌骨最大的生长高峰几与身体高度的最大生长一致。对上下颌骨前后关系不谐调的错(牙合)矫治成效,在很大程度上取决于下颌骨生长的适应型,利用腕骨X线相所显示的发育状态作为诊断手段,以确定最适当的矫治时间与方法是特别有用的。作者介绍了对4例安氏Ⅱ类错(牙合)男性患者的矫治过程以说明应用情况。例1:11岁7个月,X线相所见:出现豌 The author mentions that the maximal growth peak of the mandible is almost the same as the maximum height of the body. Occlusion of the anterior and posterior mandibular orthognathic malocclusion orthodontic treatment depends largely on the adaptive mandibular growth, the use of carpal X-ray showed the development of state as a diagnostic tool to determine the most appropriate Correction time and method is particularly useful. The authors describe the treatment of 4 patients with Class II malocclusion in male patients to illustrate the application. Example 1: 11-year-old 7 months, X-ray phase seen: pea