Infant jaws are too small to accommodate adult-sized teeth, so smaller teeth are necessary until the jaw grows to its mature size.
Scientists may soon be able to use wisdom teeth to create stem cells.
Why do humans have wisdom teeth? What is so wise about them?
As we all learned in health class, human beings have 32 teeth. Twenty-eight of them come in before puberty, but the last four teeth, our “third molars,” usually come in during our late teens or early 20′s, when we’re presumably older and wiser, hence their nickname, wisdom teeth. Lean more on this Moment of Science.