フッ化物局所応用法導入によるう蝕予防効果の判定と予防効果の持続性に関する研究
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概要
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The purpose of this study was to investigate the effect of topical fluoride application and fluoride mouth rinsing introduced into school dental health programs. Especially, the cariostatic effects of each tooth DMFT rate in erupted period classified by school grade were evaluated. Another study was performed to survey the prolonged prophylactic effect of these fluoride programs in primary school. For the purpose of this study, cohort analysis was carried out on the senior high school students who joined these programs for 6 years in their primary school years. Topical fluoride application was given once a year using an acidulated phosphate fluoride solution (0.9% of F, pH 3.6), and fluoride mouthrinsing was practiced 5 times a week after every school lunch with a phospholic acid-acidified NaF solution (0.05% of F, pH 5.0) for 6 years.<BR>A precise oral examination for dental caries was carried out in April or May of each primary school year and at March graduation and 31 months after graduation.<BR>A higher cariostatic effect was obtained in the preventive group (experimental group) compared with the control group, and early erupted teeth tended to show a higher DMFT rate in each kind of tooth and each erupted school grade. The results 31 months after the final fluoride application program showed the durability of cariostatic effect in upper incisers, both premolars and first molars, but not in the second molar.<BR>From these findings, it is concluded that evaluation of cariostatic effect of fluoride application by means of DMFT rate for each kind of tooth and each school grade is a useful method, and that the school dental health program combined with fluoride application practised in primary school also produces prolonged cariostatic effect in many kind of teeth after 31 months in senior high school.
- 有限責任中間法人 日本口腔衛生学会の論文
有限責任中間法人 日本口腔衛生学会 | 論文
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