笔者利用“2× 4”矫治技术独特的力学特征辅以Ⅱ类颌间牵引及下磨牙舌侧近中牵引对 31例深覆牙合患者进行治疗 ,取得了较为满意的效果。　　一、材料和方法研究对象 :31例深覆牙合患者 ,其中男性 18例 ,女性 13例 ,年龄 12～ 2 4岁 ,平均为 15 .4岁。临床表现为上前牙前突 ,不 The author used “2 × 4” orthodontic technique unique mechanics characteristics combined with Ⅱ type intermaxillary traction and the lower molar lingual traction in 31 cases of deep overbite patients were treated, and achieved satisfactory results. Materials and Methods Subjects: 31 cases of deep overbite patients, including 18 males and 13 females, aged 12 to 24 years old, with an average of 15.4 years. Clinical manifestations of anterior process on the anterior process, no