歯間ブラシに関する研究　第４報　形状の異なる歯間ブラシのプラーク除去効果について

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  • A Study of Interproximal Brushes. 4. Plaque-removing Ability of Different Type Interproximal Brushes.
  • 4. Plaque-removing Ability of Different Type Interproximal Brushes
  • 第4報形状の異なる歯間ブラシのプラーク除去効果について

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We have been investigating the plaque-removing ability of different types of interproximal brushes. In this study, we prepared with cylindrical, tapered and conical type interproximal brushes. Twelve patients with adult periodontitis served as subjects in this study. They were instructed to use a toothbrush, and when the level of their O'Leary Plaque Control Record reached about 50%, they were divided into 3 groups. The patients in each group were instructed to use one type of interproximal brush for 3 weeks, and their plaque score was measured every week. All of the interproximal brushes used proved highly effective in removing interproximal plaque, and no significant differences were found between them. At third and forth week, the patients were directed to use the other types of interproximal brush for one week each. The plaque-removing ability of each brush was evaluated in a single blind cross-over trial on the basis of plaque scores at 3, 4 and 5 weeks. There were no significant differences between the brushes tested in mean plaque score at all of the sites examined, however, on the interproximal surface of the anterior teeth and on the lingual interproximal surface of all of the teeth examined, the tapered and conical interproximal brushes were significantly more effective in removing interproximal plaque than tha cylindrical brush.

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