I neglected my teeth over the last few years and i didnt think it could get that bad please tell me if the dentist still can do anything before its all going bad i go white spots on my teeth that wont go away even if i brush them and some parts of my front teeth broke off and now theres brown stuff from food that wont go away even if i brush my teeth please tell me what the best thing for me is bonding, microabrasion, veneers crowns or lumineers