复发性口腔溃疡是口腔科的常见病、多发病。表现为口胶粘膜单发或多发性溃疡，且有周期性发病特点，常伴有局部灼痛。目前治疗常以冰硼散养阴生肌散等外用，方法颇多，效果尚不理想。作者等应用异丙埃、维生素B2进行局部治疗，收到良好效果，现报告如下：临床资料一、一般资料 Recurrent oral ulcer is a common disease in dentistry, frequently-occurring disease. Manifested as single or multiple ulcer oral mucosa, and have periodic features, often accompanied by local burning. At present, the treatment of ice and boron are often scattered Yin Yang and other topical vaginal discharge, a lot of ways, the effect is not satisfactory. The author applied isoprope, vitamin B2 for local treatment, received good results, are as follows: Clinical data First, the general information