PhotonBoy
Flashlight Enthusiast
http://www.canada.com/topics/bodyan...=df82688a-4ef9-4334-943c-ecfe3b4cd3b7&k=99762
It contains "a titanium dioxide rod in the neck of the brush, just below the nylon bristles. It works when light shines on the wet rod, releasing electrons. Those electrons react with acid in the mouth, which helps break down plaque. No toothpaste is required...."
It contains "a titanium dioxide rod in the neck of the brush, just below the nylon bristles. It works when light shines on the wet rod, releasing electrons. Those electrons react with acid in the mouth, which helps break down plaque. No toothpaste is required...."