Hack Your Pearly Whites With These High-Tech Toothbrushes

Good news: Tooth decay and other dental problems are on the decline. Bad news: Not by much. If you’re over 20, there’s a 91 percent chance you’ve had at least one cavity; by the time you’re middle-aged, some of those will have rotted and fallen out of your mouth. The solution? Brushing your teeth, just like mom told you.

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