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1岁5个月长多少牙齿
更新时间: 2020-11-04 00:00:00  

一岁5个月的宝宝应该长十6颗牙,但每个宝宝的生长发育不一样,多一点少一点都是正常的。

牙齿是人体中最坚硬的器官,分为牙冠、牙颈和牙根三部分。又分为牙釉质(珐琅质)、牙本质(象牙质)、牙髓(神经腺)等。

关键词: 多少 牙齿

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