Consider the simple toothbrush, one of the most prosaic of devices and a fixture of almost every bathroom. However, it turns out we’ve been doing it wrong all these years — now there’s the 3D-printed Blizzodent, custom-fitted to your teeth and able to get the job done in a mere six seconds.

First you have a mold made of your teeth, and then a 3D printer gins up this odd-looking bundle of soft plastic, bristling with what its makers call “a dense field of tailored bristles” that also includes a tongue scraper and even deftly-positioned flossing strings as an option. Continue reading →