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People generally have 4 wisdom teeth, but some people are born without any, some people only have 1, some people have 2 or 3, and some people have 6. For the most part, the size of your mouth determines whether you need to have your widsom teeth or not. Ifyou have a smaller mouth and smaller jaw, your wisdom teeth might not erupt all the way into your mouth, which can increase the risk of infection and affect the adjacent teeth.
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