The idea that "white teeth equals clean teeth" is deeply rooted in our society. Lipsticks look great next to whiter teeth, and a big bright smile always looks awesome in a photo. A healthy-looking, white smile can do a lot for your overall image and confidence. People have invested thousands in professional tooth whitening, and this route may be the best bet if you want ultra-bright results that last for months (and if your budget allows), but for many of us professional tooth whitening just ...