Heredity can be the rationale why some individuals have naturally brighter or thicker tooth enamel than others. You may merely be born with tooth that appear more yellow (or whiter) in comparison with different people's enamel, Outericka stated. Part of this has to do with the thickness of your enamel, which is semi-translucent. If you could have thin layer of enamel, the true colour of your naturally yellowish dentin will show via.
These embrace meals and drinks containing tannins corresponding to; espresso, tea, red wines, and curry. The abrasive composition of baking soda is what allows it to be a whitening agent for tooth.
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