I would like to know if ground-coffee stains the enamel of our teeth. If so, how long and how frequent would its exposure to coffee be in order to acquire a taint or colouring? It is possible too that only additives to the coffee result in an affect to the enamel of our teeth.
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Yes...tea and wine too. Hydrogen peroxide and baking soda can remove coffee stains from enamel. Organic bits of the plants stain enamel over time.
Seth Kolodny
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Welcome! Can you also address the second part of the question - how quickly does the staining happen - if you have the knowledge? You can always [edit] your own posts, there’s a little link under your post for that. As for all new users, let me point you to the [tour] and our [help], which give an introduction to how the site works. – Stephie Sep 21 '19 at 05:21
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Yes, a few cups a day of black coffee will stain your teeth noticeably over a month or two (personal experience). It's easy to fix with a whitening toothpaste. You don't need one containing bleach; the one I use contains titanium dioxide. It got rid of the staining in a few days.
z0r
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2Are you sure that actually whitens the teeth? According to this article it's merely used to make the paste look whiter, it doesn't make the teeth whiter. – JJJ Oct 02 '19 at 10:18