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爲什麽說睡前刷牙很重要

Posted By vickong pun     July 8, 2021    

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爲什麽說睡前刷牙很重要


    



      爲什麽說睡前刷牙很重要?有人認爲要使牙齒潔白,就要多刷牙,其實刷牙的收效,並不在于增加刷牙的次數,過于頻繁地刷牙是不必要的。一般早、晚各刷一次就夠了。早上刷牙的習慣容易養成,睡前刷牙則常不被人們重視,實際上睡前刷牙更加重要,下面談談它的道理。



      



    烤瓷牙



      我們白天常常喝水、漱口、說話、唾液分泌較多,可以不斷沖刷掉部分黏附在牙齒上的食物殘屑,産酸的細菌也會受到抑制。而晚上睡眠後,口腔活動幾乎停止,唾液分泌大大減少,原有的唾液沖刷清洗口腔和牙齒的作用大大減弱,口腔的自潔作用很差,口腔和牙縫隙中存積的一些食物殘渣,臨睡前若不清洗幹淨,使夜間食物殘屑長時間的滯留和充分的腐敗發酵,這樣會很利于細菌的孽生繁殖,對牙齒的損害也很大。



      此外,夜間睡眠時間較長,如能在睡前刷一次牙,將口腔內的汙物清除幹淨,則保持口腔清潔,防止細菌侵襲牙齒的有效時間最長。因此,要特別注意晚上臨睡前的刷牙。



      當明白睡前刷牙的好處後,就要自覺去做到,並養成這一良好的習慣,長期堅持。應注意,睡前刷牙後就不要再吃東西,否則便失去了刷牙的意義了。當然,最好養成每日早晚刷牙,飯後漱口的好習慣。

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