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牙齿一共多少颗换牙
更新时间: 2020-11-04 00:00:00  

孩子换牙时一共要换20颗牙齿,这20颗牙齿都是乳牙,在孩子6岁时开始换牙,一直到12岁换完。在换牙的这段时间里,尽量不要给孩子吃比较软的食物或者是很甜的食物,假如孩子在换牙期间没有换完牙齿,最好是带去医院检查一下。牙齿中有大量的钙元素,所以在儿童换牙期间,一定要确保钙质的摄入。

关键词: 牙齿 一共 多少

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