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每天應該刷幾次牙？

Publicado por vickong pun     12 de julio de 2021    

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每天應該刷幾次牙？

　　每天應該刷幾次牙？每天至少要刷兩次牙，早晚刷牙，飯後漱口，尤其晚上臨睡前的一次刷牙更為重要。
因為經過一天的飲食，牙面上附著很多軟垢與菌斑，白天因喝水、吃飯等運動有自然按摩清潔作用，而晚間口腔處於靜止狀態，唾液的分泌量減少，口腔內自潔作用降低，滯留的食物殘渣更有利於細菌的滋生與發酵，使牙齒和牙周組織容易受侵害，所以說臨睡前認真刷牙比早晨刷牙更重要。

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