Our grandparents and parents tell stories about the time when kids routinely had their tonsils removed. But for people born in the 1960s and later, their routine surgery stories are about having third molars, aka wisdom teeth, taken out.

As a scientist who studies the evolution and development of faces and teeth in humans and other animals, whenever I ask a room of people if they’ve had any wisdom teeth removed, the hands of at least half the audience shoot up.

People want to share their wisdom tooth stories as well as to ask: Why do we have wisdom teeth? Why do they get impacted? Why don’t we just evolve them away?

Read More… Why Eating These Foods May Save You the Cost of Wisdom Teeth Surgery

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