Selena Gomez is a star and she needs her smile to be flawless, which is why her teeth are really important to her. But lately she has neglected them and now she needs serious treatment. Can you help her fix them? Wash her mouth with water first and remove it with a suction pump. Use a drill for all the cavities that are causing her pain. Use a polish to remove the tartar formed at the basis of the denture.