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糖为什么会腐蚀牙齿
更新时间: 2020-09-18 00:00:00  

口腔里有一些细菌可以利用蔗糖合成多糖,黏稠、液状的多糖可以保护牙菌斑,牙菌斑里的细菌又可使蔗糖发酵分解、产酸,使牙齿脱钙、软化,牙齿遭到破坏,发生龋齿。一般的奶糖、巧克力、糕点、饼干等甜食中含有大量的糖,而且这些食品又容易粘在牙齿的窝沟、缝隙里,有利于细菌大量繁殖,从而腐蚀牙齿。

关键词: 为什么 腐蚀 牙齿

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