What causes tooth stains?
Chemical compounds called chromogens give certain foods and drinks their strong colour, and these can stain our teeth. Foods and drinks containing a substance called tannin can also make your teeth much more likely to stain. Acids can wear down your teeth, increasing the chances of stains setting in. In general, if something could stain your clothes or your tongue, the chances are it’s also going to stain your teeth.
(more…)