Because human jaws have become smaller throughout evolutionary history, when wisdom teeth form they often become impacted, or blocked, by the other teeth around them. ... Wisdom teeth that do not erupt but remain tucked away can also lead to oral problems, such as crowding or displacement of permanent teeth. Link

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   ThePeopleIsFunny

   6 years ago

   ReplyTo:   deafatheist
   Title:   Chihuahua to pitbull?
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   JokerJeb

   6 years ago

   ReplyTo:   deafatheist
   
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   deafatheist

   6 years ago

   ReplyTo:   ThePeopleIsFunny
   Title:   common ancestor   Link 1   Link 2
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   deafatheist

   6 years ago

   ReplyTo:   JokerJeb
   Title:   humanzee oliver   Link 1