儿童最佳换牙年龄是多少?

冬令营2021-05-16 00:41:59admin2

一般5岁开始了，有的孩子会提前，有的孩子会推迟，如果遇到新牙已经长出来了，乳牙还没掉要及时拔掉，不然会影响新牙的萌出。

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