Rainbow Teeth? Yes, Really

Here in America, we spend a whopping $1.5 billion annually in our pursuit of whiter teeth. From chewing gum that promises to get teeth whiter to pastes, LED lights, trays, strips and even in-office treatments, there is a product at every price point to get those pearly whites pearly-whiter. But a new trend is sweeping social media that has a lot of people scratching their heads.

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