Advantages : • Removes plaque from hard-to-reach places by up to 90% . • Antibacterial bristles for up to 3 months help prevent microbial growth on the bristles • CrissCross bristles, angled at 16 degrees, bend and straighten to penetrate hard-to-reach plaque between teeth • Firm-tipped bristles help go deep to clean hard-to-reach areas yet remain gentle enough on tooth enamel.