随着人们生活水平的提高,饮食结构朝着越来越细的结构发展,牙齿的自洁作用下降,导致各种牙科疾病的发病率逐年增多。据有关资料显示,近年来我国龋齿、牙周病的发病率有大幅度的提高,而人们对这些牙科病的预防却不够重视。所以,宣传牙齿的护理与保健,就成为口腔医务工作者义 As people's living standards improve, the structure of the diet develops towards more and more fine structure, and the self-cleaning effect of the teeth decreases, resulting in the increasing incidence of various dental diseases year by year. According to relevant information, the incidence of dental caries and periodontal diseases in our country has risen sharply in recent years, while people pay less attention to the prevention of these dental diseases. Therefore, the promotion of dental care and health care, it has become a stomatological workers righteousness