氟滴组和含氟牙膏组二者新增龋面均的差异无统计学意义。
There was no significant difference of the dfs reduction between fluoride drop and toothpaste group.
实验结果表明甜菊糖是一种无致龋性的甜味剂，可能是一种有希望的蔗糖代用品。
The results showed that stevia sugar is a non-cariogenic sweetener, may bea hopeful substitute of sucrose.
含氟涂膜组和含氟牙膏组新增龋面均的差异无统计学意义。
There was no significant difference of the dfs reduction between the fluoride vaniish group and fluoride toothpaste group.
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