9名受试者采用正放及倒放方式使用漱口杯各14 d，检测2种摆放方式下漱口杯中口腔及胃肠道条件致病菌滞留情况。结果显示大肠菌群、变异链球菌、念珠菌计数对数值（CFU／ml）分别为4．25±0．71 vs 2．84±1．40（P＝0．046）、89±0．31 vs 2．84± 1．40（P＜0．001）、2．28±1．36 vs 2．53±1．92（P＝0．002），正放组检测出霉菌（2．44±0．99）CFU／ml，倒放组未检出。倒放漱口杯更加合理、利于健康。%The oral and gastrointestinal opportunistic pathogen contamination was compared between tooth mugs placed upward and down-ward(n=9)for 1 4 days.Selective cultivation of the pathogens was uesd to measure the extent of contamination.The colony forming units (CFU)of colibacillus in group up and group down were 4.25 ±0.71 and 2.84 ±1 .40(P=0.046),S.mutans 89 ±0.31 and 2.84 ±1 .40 (P<0.001 ),Candida 2.28 ±1 .36 and 2.53 ±1 .92(P=0.002),fungus 2.44 ±0.99 and 0,respecitvely.Thus,tooth mug placed open-ing down is superior for health.
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