Forget electric toothbrushes — using 3D printing, engineers have developed a new kind of toothbrush tailor-made to fit a person's mouth. All a person must do to brush is bite down.
via LiveScience.com http://www.livescience.com/39976-3d-printed-toothbrush-tailored-to-your-mouth.html
via LiveScience.com http://www.livescience.com/39976-3d-printed-toothbrush-tailored-to-your-mouth.html
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