An average adult has a set of 32 permanent teeth, comprising of 8 incisors, 4 canines, 8 premolars, 8 molars, and 4 third molars or wisdom teeth. Typically, if you have an ideal jaw and teeth alignment, all 32 can be positioned and projected in the mouth. But does everyone grow wisdom teeth? If so, what are the signs of wisdom teeth eruption? Here are the answers to that question and some other inquiries about your wisdom teeth.