Wisdom teeth are the third set of molars that typically appear in your late teens or early twenties. Wisdom teeth myths and facts • It is not required to always remove wisdom teeth. If it is of the right height and placement, it can be left. • If wisdom teeth have not come out, it is best to visit a dental care clinic and get them checked out since they can change into a cyst. Watch Dr. Vijayalakshmi Padmanaban of Kauvery Hospital, one of the best dentists in Chennai, explain when to remove wisdom teeth.