Electric Toothbrush Study We learn of a study on the effectiveness of electric toothbrushes. Only one was more effective than regular toothbrushes. We talk with William Shaw, professor of orthodontics at the University of Manchester in England, who helped coordinate the report by the Cochrane Collaboration's Oral Health Group.

Electric Toothbrush Study

Electric Toothbrush Study

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We learn of a study on the effectiveness of electric toothbrushes. Only one was more effective than regular toothbrushes. We talk with William Shaw, professor of orthodontics at the University of Manchester in England, who helped coordinate the report by the Cochrane Collaboration's Oral Health Group.