As someone who gets extremely stressed out and anxious anytime she has to go to the dentist I will do almost anything I can to keep my mouth and teeth happy and healthy. For whatever reason it seemed that no matter how well and often I brushed and flossed I was always leaving the dentist with a new cavity to fix. I always figured I was just doomed with soft teeth, but then I learned there are 5 nutritional changes I can make to improve tooth decay.