Approximately 5 million wisdom teeth are removed in the U.S. every year! Because our jaws have evolved to be too small to fit third molars (aka wisdom teeth), they often grow in incorrectly - pushing against other teeth, erupting at an angle, sometimes even getting stuck in the jaw bone. Some lucky people have wisdom teeth that grow in correctly and do not need to get them removed, and an even smaller number of lucky people do not grow wisdom teeth at all! However, chances ar