…from a solar-powered toothbrush, of course.

The invention, from University of Saskatchewan professor Kunio Komiyama and his colleague Dr. Gerry Uswak, uses electrons to replace toothpaste. Apparently, according to a piece on canada.com, it utterly destroys the two types of bacteria responsible for most peridontal disease.

Komiyama’s first model, which was described 15 years ago in the Journal [...]