复发性口疮(recurrent aphthous)是口腔粘膜病中一种最常见的溃疡性损害。溃疡好散发于唇、舌、颊等角化程度差的部位。女性多于男性,任何年龄均可发生、但以青壮年多见。溃疡较小且表浅,一般直径在1厘米之内,愈后不留瘢痕,通常每次只发生1个或几个溃疡,且位置不固定。由于溃疡疼痛和反复发作给病人带来极大的痛苦。病因目前尚未彻底弄清楚。治疗除全身用药 Recurrent aphthous is one of the most common ulcerative lesions in oral mucosal disease. The ulcer is well distributed in the lips, tongue, cheeks and other parts of the degree of poor. More women than men, any age can occur, but more common in young adults. Smaller and superficial ulcers, the general diameter of less than 1 cm, the more no scars, usually only one or several ulcers occur at a time, and the location is not fixed. As the ulcer pain and recurrent attacks to patients with great pain. Etiology is not yet fully understood. In addition to systemic treatment