我们自1987年8月以来,采用冲击法拔除下颌智齿高位垂直阻生和远中高位阻生85例,效果满意。1 临床资料本组病例男55例,女30例,年龄最小19岁,最大48岁;高位垂直阻生46例,远中高位阻生39例.2 手术方法①术前准备:除与普通拔牙术前准备外,应选择一把喙宽刃厚牙挺,一把骨锤。②操作步骤:行 We since August 1987, the use of impact extraction of mandibular wisdom teeth high vertical occlusion and distal high resistance in 85 cases, with satisfactory results. 1 Clinical data The group of 55 cases of male and female 30 cases, the youngest 19 years old, maximum 48 years old; 46 cases of high vertical occlusion, 39 cases of distal high in obstruction .2 surgical methods ① preoperative preparation: Preoperative preparation, should choose a beak wide blade thickness thick teeth, a bone hammer. ② steps: OK