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METHODS:This study was a double blind, controlled clinical trial with a total of sixty volunteers from military academy. Who were divided into three groups at random,Heimei R xylitol group,Heimei R blank group and Colgate R total group.
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方法: 60名军校学员随机分为3组,即黑妹木糖醇牙膏组、黑妹空白牙膏组、高露洁全效牙膏组,双盲法评价1周和4周后的刷牙效果。
以上内容独家创作,受著作权保护,侵权必究
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