扁平苔藓是发生在皮肤和粘膜的疾病,该病最常侵犯口腔粘膜。对205例口腔扁平苔藓患者进行临床研究,将患者分为第1组为网状型损害,第2组为萎缩糜烂型。根据粘膜表面受侵的范围。将口腔扁平苔藓分为三级:一级(仅有一处口腔粘膜病变),二级(有二处病变)和三级(有三处或更多处的病变)。据分析,与许多病因,如 Lichen planus is a disease that occurs in the skin and mucous membranes that most often invade the oral mucosa. Of 205 patients with oral lichen planus clinical research, the patients were divided into the first group of reticular damage, the second group of atrophic erosive type. According to the extent of mucosal surface invasion. Oral lichen planus is divided into three levels: one (only one oral mucosal lesion), two (two lesions) and three (three or more lesions). According to the analysis, with many causes, such as