Bramble: Dental health https://news.ketelle.co.uk/entities/dental-health Stories involving Dental health, told neutrally, with how each side covers them. en-gb Peking University team develops self-charging toothbrush that cut plaque in trial https://news.ketelle.co.uk/stories/chinese-scientists-develop-toothbrush-using-mild-electric-shocks-to-re https://news.ketelle.co.uk/stories/chinese-scientists-develop-toothbrush-using-mild-electric-shocks-to-re Wed, 04 Nov 2026 19:30:58 +0000 Science Researchers at Peking University made toothbrush bristles from piezoelectric plastic that generate a weak current as they bend. In a three-month trial the brush reduced plaque, gum inflammation and bleeding more than nylon brushes did; larger studies are still needed. (2 outlets: 0 left · 2 centre · 0 right)