下颌智齿冠周炎是口腔科常见病，多是由于智齿萌出不全，其上覆盖的龈瓣形成囊袋而造成感染。临床上多采用智齿冠周龈瓣切除术，这种方法虽有一定疗效，但又存在着很多弊病，如术中易出血、易损伤舌神经以及术后易复发等。１９９５年６月～１９９８年４月，笔者采用电烧灼法去 Mandibular wisdom teeth pericoronitis is a common disease in dentistry, mostly due to incomplete eruption of wisdom teeth, covering the gingival flap to form capsular bag and cause infection. Clinically, the use of wisdom crown periarthroplasty, although this method has a certain effect, but there are many shortcomings, such as intraoperative bleeding, easy to damage the tongue nerve and postoperative recurrence and so on. June 1995 ~ April 1998, I use electric burn method to go