复发性口腔溃疡是口腔常见疾病,病因尚不完全清楚,其病变过程中唾液pH值的改变,目前国内未见报道。本文观察了29例复发性口腔溃疡患者在正常时与发病初期及恢复期不同流速时的唾液PH值的改变,从而提供确定用药方法及处理方法。临床资料一、方法选择:唾液pH值测试法常用指示剂 Recurrent oral ulcer is a common oral disease, the etiology is not fully understood, the saliva pH changes in the course of the disease, at present no reports. In this paper, 29 cases of recurrent oral ulcer patients with normal and early onset and recovery of different flow rates of saliva when the PH value changes, and to determine the method of treatment and treatment. Clinical data First, the method of choice: Saliva pH test commonly used indicator