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Why are wisdon teeth vesigial?

Updated: 9/21/2023
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12y ago

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Because as humans started eating softer food smaller, less energetically dis-favorable jaws were selected for. Big jaws require big expensive muscle and that energy outlay could be used elsewhere to be reproductively successful. Wisdom teeth were needed back before cooking food made it easier to chew. So, a natural selection is a sloppy tinkerer that works with what material it has the Wisdom teeth were not selected against, but, increasingly has to be pulled. Some people died of erupting Wisdom teeth in the old days before proper dentistry. This is a vestigial structure: no longer used for it's original purpose. A very few people can accommodate Wisdom teeth, but most people need them extracted when they erupt.

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Q: Why are wisdon teeth vesigial?
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