论文部分内容阅读
AngleⅡ类1分类错牙合畸形主要表现为上颌相对前突,下颌相对后缩对面形影响较大,是大多数患者求治的主要原因。在正畸治疗中可以通过拔牙矫治缩短治疗时间并且利用拔牙间隙移动牙齿和内收上颌前牙,使之达到预期的位置和治疗后的稳定型来改善面形[1,2]。Angle提出美好外形的含意是均衡、协调、美观。面部测貌软组织测量主要是研究鼻、唇、颏
Angle Ⅱ Class 1 malocclusion deformity mainly for the maxillary relative protrusion, the relative reduction of mandibular relatively large impact on the shape, is the main reason for the majority of patients seeking treatment. In orthodontic treatment, tooth extraction can be used to shorten the treatment time and move the teeth and the adducting maxillary anterior teeth with the extraction space to achieve the desired position and stable form after treatment to improve the surface shape [1,2]. Angle put forward the meaning of a good shape is balanced, coordinated and beautiful. Facial measurement Soft tissue measurement is mainly to study the nose, lips, chin