電動歯ブラシのプラーク除去効果　とくに刷掃時間と手用歯ブラシの刷掃技術の違いにおける刷掃効果

DOI 被引用文献14件

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タイトル別名
  • Effectiveness of Electric Toothbrush for Plaque Removal. Differences from Manual Toothbrush in Brushing Time and Technique.
  • Differences from Manual Toothbrush in Brushing Time and- Technique
  • とくに刷掃時間と手用歯ブラシの刷掃技術の違いにおける刷掃効果

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This study was undertaken to assess the efficacy of electric toothbrushes in bacterial plaque removal. Two types of electric toothbrushes and a manual toothbrush were tested on 18 subjects. Different brushing times ([1] arbitrary time [2] 3-minutes) were compared to study effects on plaque removal with the electric toothbrushes. The arbitrary brushing time was 7 min. 3 sec. with a counter rotational action powered toothbrush and 7 min. 22 sec. with a reciprocating electric toothbrush. These brushing times were longer than 3 minutes, which was previously considered to be the standard time. When the brushing was performed for an arbitrary time, plaque removing efficacy was 10-15% higher than that of 3 min. Differences were noted on the lingual and interproximal surfaces, both thought to be important in plaque control. These results show that longer brushing times than 3 min are recommendable.<BR>Furthermore, the subjects were divided into two groups on the basis of differences in technical ability to use a manual toothbrush. Efficiencies in removing plaque with the electric toothbrushes were then compared.<BR>Plaque removal in both groups, the high technical skill group and the low technical skill group, was the alomost same indicating a minimal corelation between plaque removal efficacy with elecric toothbrush as compared with that of the manual toothbrush.

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