I brush twice a day but i used to drink alot of coffee and tea and that's what caused the problem but i have stopped drinking caffeine now but my teeth are yellow.. help? :(
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Well, besides buying the ridiculously expensive whitening strips, you could gargle hydrogen peroxide. Do NOT swallow of course. Also using baking powder - not really sure of the correct usage. Check out the site I sourced - it has a few good suggestions. (Just make sure you brush your teeth normally after you follow the suggestions and you might want to look through all of them.) It seems tho that the safest and best things for teeth whitening is hydrogen peroxide or adding a bit of baking powder to your toothpaste when your brush. Good luck!
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