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[小4班] 2024-05-23 -
孩子2岁后，口腔里的乳牙都长齐了，乳牙既白又嫩，一般都称为“小白牙”。但这满口的小白牙极容易受到龋蚀的破坏，所以让孩子从小养成刷牙的好习惯尤为重要。2-3岁的孩子在自己能吃东西后，应吃点脆性水果或喝点白开水来代替刷牙。而从3岁起，就应该开始刷牙了。》孩子几岁...
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