After you get teeth whitening from your dentist, it’s easy to feel as if your new smile will last forever. Your pearly whites finally live up to their nickname and look so shiny and clean — how could they return to their former yellow color? Even so, they can and will get stained again if you’re not careful. In fact, whitened teeth are more vulnerable to discoloration in the first 48 hours after treatment. That said, don’t eat these four foods for a while so your white smile will stay longer.
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