Microbombs detonated by ultrasound can blast away tooth decay bacteria

Ultrasonic toothbrushes can detonate ‘microbombs’ in toothpaste Vesna Anzic/iStockphoto/Getty Images Cavity-causing bacteria can be blown away by microscopic “bombs” detonated by an ultrasonic toothbrush. Ultrasound can cause some liquids, such as perfluorohexane (PFH), to expand rapidly and turn into a…








