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人们用餐时吃的大量酸性食物会附着在牙面上,会使牙釉质软化,甚至与牙齿轴层中的钙、磷分子发生反应,将钙磷分离出来,牙齿会变得软而脆 。此时刷牙会破坏牙釉质,损害牙齿健康 。饭后或是刚吃完酸性食物和饮料,最好等半小时后再刷,这时牙齿的保护层已恢复。但提倡饭后立即漱口。 twitter.com/DentistLee1/status

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