the caries prevalence rate
the caries prevalence rate
龋齿患病率
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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RESULTS: The indexes of the prevalence rate of dental caries , caries average, GI, OHI-sin the experimental group after teeth brushing education were better than in the control group (P<0.01).
结果：实验组刷牙教育后患龋率、龋均、牙龈指数、简化口腔卫生指数均低于对照组，差异显著（P<0.01）。
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