毎月8日は?

こんにちは。ふじのです。

皆さん、毎月8日は「歯ブラシ交換デー」とご存知ですか?

たとえ毛先が開いていなくても、毎日使った歯ブラシは1ヵ月に1度交換するのが、

理想的です。

ライオンの調査によると、使用する歯ブラシの平均使用期間は、どの年代も1ケ月以上という結果です。

特に10代、20代では平均2ヵ月以上使用しているそうです。

毛先の広がりによってどれだけ汚れ落とし効果が低下するのか?

新しい歯ブラシと比べ、

毛先が少し開いた歯ブラシ→約2割  完全に開いた歯ブラシ→約4割

ハブラシの植毛部の開き具合とプラーク除去率

※(公財)ライオン歯科衛生研究所調べ※日本小児歯科学会 1985

清掃力が低下してしまうそうです。

歯にきちんと当たりにくくなり汚れを落とす力が弱くなり、歯茎を傷つけてしまう可能性もあります。

歯ブラシを使用した後は、よく水洗し必ず水気を取り、風通しのよい場所で

毛先を上にして保管しましょう。

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