Self-powered toothbrush uses tiny electrical charges to fight plaque bacteria
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Summary
Researchers developed a battery-free toothbrush whose bristles generate electrical charges when bent. Laboratory experiments and a three-month human trial suggest benefits for plaque control, although long-term protection against cavities remains unproven. The post Self-powered toothbrush uses tiny electrical charges to fight plaque bacteria appeared first on The Brighter Side of News .
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