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KMID : 1157520130090030125
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International Journal of Clinical Preventive Dentistry
2013 Volume.9 No. 3 p.125 ~ p.130
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Feasibility Investigation of Low-Volume Rinsing with Fluoride Dentifrice
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Taeko Osawa
Wenqun Song
Azusa Ishiguro
Masako Nakamukai
Naoko Ishida
Hirohisa Arakawa
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Abstract
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Objective: We conducted a survey to assess the tooth brushing habits of general consumers using dentifrice, and to confirm the feasibility of low-volume rinsing using newly developed NaF dentifrice.
Methods: Thirty-six adults from Marketing Service Co., Ltd., volunteered this study. As measurement 1, subjects brushed their teeth in their accustomed manner, while investigators measured the following brushing behaviors: (1) amount of denti-frice used; (2) brushing time; (3) number of times subjects spat while brushing; and (4) volume, time, number of rinse after brushing. As measurement 2, subjects brushed their teeth according to the specified method using each of the two different dentifrices (P and Q). After brushing, subjects completed an absolute evaluation for each dentifrice, as well as a relative eval-uation comparing the two dentifrices.
Results: Measurement 1: Measurement items other than rinsing behaviors were judged as being almost optimal. Measurement 2: In tests of significance on the distribution of number of people who chose each response, the ratio of sub-jects that were not aware of residual dentifrice after rinsing and did not have an unpleasant feeling after rinsing for dentifrice P rather than dentifrice Q were 25.8% and 22.6%, respectively. Both ratios were 0 for Q, showing that these factors were less prevalent for P (p＜0.01).
Conclusion: The actual tooth brushing behaviors with dentifrice were largely suitable, except for rinsing habits after brushing. Our results for measurement 2 suggest that weakening the flavor of dentifrice P may be useful for achieving low-volume rinsing.
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KEYWORD
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fluoride dentifrice, low-volume rinsing, rinsing time, rinsing volume per rinse, amount of dentifrice used
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