Plasma Torch Toothbrush Successfully Used In Human Mouth

Attentive followers of dentistry developments that we are, we've been following the story of the plasma brush for awhile now. And it seems like it's making some serious progress: human clinical trials are supposed to begin in early 2012, and there's also a video (below) of the World's Bravest Dentist shooting a plasma beam into his own mouth.

Some background, for anyone who doesn't subscribe to Dentistry Illustrated Weekly: the plasma brush isn't a toothbrush, but actually a tool dentists are hoping to use for two primary situations. The first is breaking up plaque; the plasma torch, though it's no hotter than room temperature, is excellent at breaking the bonds that adhere plaque to a tooth. The second is as a sort of primer for filling cavities.

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By Dan Nosowitz