Read moreWisdom teeth โ€“ Why do we have them, and why do so many people need them removed? ๐ŸฆทEarly humans needed these extra molars for tough foods. ๐ŸฆทThey usually emerge between ages 18-24, but not always. ๐ŸฆทNot everyone gets all fourโ€”or any! ๐ŸฆทCrowding, impaction, and decay are common issues. ๐ŸฆทW