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14岁人牙齿多少颗正常

更新时间: 2020-11-05 00:00:00     

一般在12-14岁左右时就会全部萌出。第三磨牙萌出的时间晚,一般在16岁以后,才会逐渐萌出,但是有的人可能没有恒牙的牙胚,就不会萌出,所以并不是所有的人都有32颗牙齿。所以对恒牙正常数目,一般在28-32颗都属于正常,

关键词: 牙齿 多少 正常

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