Today I am highly privileged to be here and have some sharing with you on the topic of Technology and life.　　Technolog......

目的：寻找简便有效的儿童防龋措施，以降低乳牙龋齿发病率。方法：选取托幼机构3～4岁儿童进行3年氟化物应用并观察疗效。结果：2%氟化钠涂......