Triple Bristle Max 3-sided Sonic Electric ToothbrushDesigned for maximum power and efficiency, the Triple Bristle Max offers an enhanced brushing experience, developed from community feedback. Named after the dentist who created the Triple Bristle, the Max features a compact brush head and advanced features that make it ideal for adults seeking a professional level clean. With its 3 sided brush design and charcoal infused bristles, the Max leaves your teeth feeling cleaner and fresher than ever.