CINCINNATI–(BUSINESS WIRE)–Oral-B, the industry leader in oral care innovation, today announced nationwide availability of Oral-B iO(TM), a game-changing, completely reimagined and redesigned rechargeable toothbrush. It is now possible to have a professional clean feeling not just twice a year, but every day, in the comfort of your own home. Also announced today, Oral-B iO received the ADA seal of approval, which is recognized by dentists and consumers as the gold standard for evaluating safety