复发性阿弗他性溃疡(RAU)是口腔粘膜最常见的溃疡性损害,是口腔科医生感到棘手的疾病之一。其病因及发病机理至今尚不十分清楚,据目前所知,它可能和一些因素有关,例如免疫学异常、遗传因素、心理因素及感染,营养和酶的代谢等。目前对该病的治疗方法繁多,但疗效均 Recurrent aphthous ulcer (RAU) is one of the most common ulcerative lesions of oral mucosa and is one of the most troubling conditions for dentists. Its etiology and pathogenesis is still not yet clear, as far as is known, it may be related to some factors, such as immunological abnormalities, genetic factors, psychological factors and infection, nutrition and enzyme metabolism. The current treatment of the disease many ways, but the effect is