口腔白斑是一种口腔粘膜的癌前病变.因为它局限于上皮组织,所以选择性地摘除病变粘膜是最好的预防性治疗.CO_2激光手术是通过气化作用进行表浅的摘除术。本文对70名病人的103处口腔白斑进行了CO_2激光治疗,其中男38,女32,年龄26～88岁.据临床分类,62处为均质型白斑,41处为非均质型白斑,后者包括18处疣状型白斑和23处糜烂型白斑. 作者使用Sharplan 791型CO_2激光器以及Cavi Oral leukoplakia is a precancerous lesion of the oral mucosa. Because it is confined to epithelial tissue, selective removal of the diseased mucosa is the best preventive treatment. CO2 laser surgery is performed by superficial gasification. In this study, CO2 laser treatment was performed on 103 oral leukoplakia in 70 patients, including 38 males and 32 females, aged 26 to 88 years. According to clinical classification, 62 were homogeneous leukoplakia and 41 were heterogeneous leukoplakia. The latter includes 18 verrucous leukoplakia and 23 erosive leukoplakia. The authors use the Sharplan 791 CO 2 laser and Cavi.