口腔疾病是人类最常见、最多发的疾病之一。每个人从小到老,任何时期都可以发生口腔疾病,尤其是龋病、牙周病、错颌畸形、颌面缺损、口腔黏膜病以及口腔肿瘤的发病率很高。卫生部疾控局负责人也指出,从总体上看,我国居民口腔疾病发病率依然很高,群众口腔保健知识缺乏,防病意识还比较薄弱,良好的口腔健康保健习惯尚未形 Oral disease is one of the most common and frequently occurring diseases in humans. Everyone from childhood to age, can occur at any period of oral diseases, especially dental caries, periodontal disease, malunion, maxillofacial defects, oral mucosal disease and the incidence of oral cancer is very high. The head of the CDC of the Ministry of Health also pointed out that on the whole, the incidence of oral diseases in our country is still high, the public lack of knowledge of oral health care, awareness of disease prevention is still relatively weak, and good oral health care habits have not yet been shaped