Why do we get two sets of teeth. nature could always give us one set of teeth and they could work for lifetime. Why is that milk teeth have to break and then permanent teeth have to come. Is there any scientific or medical reason for this

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  • Dr.Ritz

    Dr.Ritz 19 - August - 2009, at 10:26 AM

  • When the child is small, the jaw size is small and it can not accomodate the big teeth which are needed in adult life for proper mastication of food. Due to this small teeth are there and as jaw size increases, the bigger adult teeth they replace with the adult teeth. For complete human dentition, you can read this article.. http://www.identalhub.com/article_human-dentition-233.aspx

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