With customized grips, ergonomic handles, oval heads and three times the amount of bristles than ordinary toothbrushes, the revolutionary Radius toothbrush designs have made brushing teeth fun, comfortable, easier and more beneficial, according to the company. Featuring wide surface area heads, the toothbrushes offer users a long-lasting, sustainable toothbrush for less pressure on the gums and a smarter, more efficient clean. It is also the first toothbrush to accommodate both right- and l...