龋齿俗称“虫牙”或“虫蚀牙”，是一种常见的口腔疾病，它与心血管疾病、癌症一起沟成了危害人类健康的三大疾病。坚持使用含氟牙膏刷牙，能起到一定的防龋齿作用。1龋齿的成因龋齿的发生与多种因素有关，如营养、体质、口腔卫生等，其中细菌的存在是龋齿发生必不可少的重要条 Dental caries commonly known as “worm teeth” or “worm teeth” is a common oral disease, which with cardiovascular disease, cancer ditch into the three major diseases endangering human health. Adhere to the use of fluoride toothpaste, can play a role in prevention of dental caries. 1 The causes of dental caries The occurrence of dental caries and a variety of factors, such as nutrition, physical fitness, oral hygiene, etc., in which the presence of bacteria is essential for the occurrence of dental caries