Old Toothbrushes Not Up To Job

Dental News Old Toothbrushes Not Up To Job February 12, 2002 By Nancy VolkersInteliHealth News Service Dentists say you should replace your toothbrush every three months. But they didn’t have statistics to back them up. Now, research supports the idea that older toothbrushes don’t work as well as new ones. The research compared new toothbrushes […]