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유수민,조자원,황경숙,김찬호,채상근,성영은,이준환,박용덕 대한예방치과학회 2011 International Journal of Clinical Preventive Denti Vol.7 No.1
Objective: The aim of this study was to ascertain the effects on oral environment improvement including the control of dental plaque, the prevention of gingivitis and the repression of oral malodor using dentifrice mixed with hydrated silica, sodium monofluorophosphate, green tea extract and cetylpyridinium chloride. Methods: The experiment was conducted of 95 of Korean male and female adult volunteers using by double blind method. Before the experiment started, the subjects removed their tartar mechanically to make the oral conditions of all subjects same. After 2 weeks for no residual effect, the oral environmental index was measured as baseline value. For 3 months, the subjects were instructed to use dentifrice experimented and the effect of hydrated silica, sodium monofluorophosphate, green tea extract and cetylpyridinium chloride was analyzed comparing experiment group 1 and 2 with control group. Results: The changes of gingivitis and plaque index of 2 experiment groups, which is to figure out the improvement of gingivitis, were significantly different compared to that of control group (p<0.05). Changes of oral malodor of 2 experiment groups were significantly different compared to that of control group (p<0.05). After 3 months freshness of 2 experiment groups were significantly different compared to that of control group (p<0.05). The experiment group had freshness at about 7.83, experiment group 1 at about 7.97 while the control group at about 3.15. Conclusion: The most effective improvement especially shown on the oral conditions were dentifrice that contains.