After years of eating and drinking dark and highly pigmented foods and beverages, you may notice that your teeth are starting to look discolored. Teeth whitening is a treatment that can lift stains from your pearly whites to make your smile look brighter. Though it is a great way to improve the look of your smile, this popular cosmetic treatment has changed a lot over the years. Read on to learn about the history of teeth whitening and how it’s evolved
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