The enamel is the thin outer layer of the tooth; it also happens to be the hardest substance in the body. For one thing, it’s even stronger than bones. Despite that, our Teeth can still succumb to wear and tear. For instance, it can happen if you brush too hard. Staining can also be an issue. That is, certain things can stick to the enamel, which can cause discoloration. Interested in trying some Teeth Whitening home remedies? If so, you’re on the right page. Keep reading for some tips! What Can Cause Tooth Discoloration? Certain types of foods and drinks can