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一岁半的宝宝多少颗牙正常

更新时间: 2020-11-04 00:00:00     

一岁半宝宝一般长牙在6颗左右,宝宝长牙时间因个体差异而有所不同,和遗传、营养状况亦有关。一般宝宝6个月开始牙齿萌出,1岁时可长出6颗左右(上下牙槽中间4颗门牙及上牙槽外侧门牙2颗,有的下牙槽外侧门牙冒出牙龈),2岁半左右基本长齐20颗乳牙。有的宝宝出牙较晚,也不用过分担心,但如果一岁还没有牙齿萌出,则属于异常现象,建议及时就诊。

关键词: 宝宝 多少 正常

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