安氏Ⅱ类错是一种较为常见的颅颌面错畸形,也称远中错(classⅡ,distoclusion)。2013年12月我科收治一例骨性Ⅱ类,磨牙完全远中关系的患者,现报告如下。一、临床资料患者,男,13岁,学生。主诉:上前牙前突。病史:曾于外院做正畸治疗一年,未见疗效,现全口牙龈红肿。临床检查—口外检查(图1)。正面观:右侧面 Class Ⅱ malocclusion is a common craniofacial malocclusion, also known as class Ⅱ, distoclusion. December 2013 our department admitted a case of skeletal Class II, molars completely distant relationship patients, are as follows. First, the clinical data patients, male, 13 years old, students. Chief Complaint: Anterior procession. History: Orthodontic treatment in the hospital for one year, no curative effect, is full mouth gum swollen. Clinical examination - Mouth examination (Figure 1). Front view: right side