论文部分内容阅读
许多作者论述了Ⅱ类1分类错(牙合)的治疗目的及时机的选择,并注意到生长快速期牙颌面组织结构反应较明显,主张青春前期和青春早期是最佳的治疗时期。用于矫治Ⅱ类错(牙合)的口内外联合的矫治器甚多。Thurow描述了一种附口外牵引的活动口内咬合夹板式矫治器,并证实其比常规面弓牵引好。采用的枕部牵引方向几乎是沿着牙的长轴,所以能控制腭侧倾斜,同时垂直向作用最大。本研究目的在于使用该矫正器治疗Ⅱ类
Many authors have discussed the purpose and timing of treatment for Class II Division 1 malocclusion and noted that the reaction of dentition-maxillofacial tissue during rapid growth is more pronounced, suggesting that the pre-adolescence and early adolescence are the optimal treatment periods. For the correction of class II malocclusion (oral and external joint appliance) many. Thurow described an articulating external articulation splint appliance that proved to be more traction than conventional face bowing. Using the occipital traction direction is almost along the long axis of the tooth, it can control the palatal tilt, while the maximum vertical effect. The purpose of this study is to use this appliance for the treatment of type II