It would be nice to have the equivalent of the Roomba robotic vacuum cleaner for your teeth. The device could store itself in a specially constructed “garage” inside one of your teeth (your dentist would love to build one for you), and come out upon command to give your enamel a quick shine.

Technology wise, it might be a bit early to wish for something like this, but today’s life is so busy that we are often not close to a toothbrush when we need one.

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