From Geek.com
…a company called Blizzident wants to simply that part of your oral hygiene routine. How? By 3D-printing you a crazy customized flossing device. They call it (logically enough) 3D-Flosser, and they say it can floss your entire mouth in seconds. All you have to do is bite down and release and you’re done.
Source: 3D-printed Mouthpiece Promises to Floss Your Whole Mouth in Just One Bite – Geek.com
I am not sure if this is brilliant or nuts. It is a creative use of customized 3D printing.