口腔疾病与全身系统性疾病是一个局部和整体的关系,许多系统性疾病可引起口腔病变,胃肠系统疾病的口腔表征尤为明显。在系统性疾病检查时注意观察口腔组织的改变,对相关疾病的鉴别有很大帮助,现就人们普遍感兴趣的几种疾病综述如下: Oral disease and systemic disease is a partial and overall relationship, many systemic diseases can cause oral lesions, gastrointestinal diseases, especially the oral characterization. At the time of systematic disease examination, pay attention to the observation of the change of oral tissue, and it is very helpful to the identification of related diseases. Now we summarize the following several diseases that people are generally interested in: