Solar toothbrush could make toothpaste obsolete
University of Saskatchewan dentistry professor emeritus Dr. Kunio Komiyama and his colleague Dr. Gerry Uswak are recruiting 120 teens willing to brush with a prototype light-powered toothbrush and sit in a dentist’s chair for a few extra inspections.
The manufacturer, the Shiken company of Japan, is paying the researchers to investigate whether the brush, which causes a chemical reaction in the mouth, does a better job of eliminating plaque and bacteria than a conventional toothbrush.
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