Your electric toothbrush questions answered What is the best electric toothbrush? The Philips Sonicare 9400 diamondclean smart is the best electric toothbrush. My teeth felt noticeably cleaner, and my wisdom teeth were easy to clean and reach. Philips’ signature sonic pulses left my teeth feeling fresher than Oral-B’s oscillations, and at around £200 on promotion, this model – versus others from Philips – stood out for its thoughtful extras, such as its combined charger and sink holder. For anyone on a budget, the Ordo Sonic+ also impressed with its excellent battery life, multiple modes and competitive 40,000 movements-per-minute clean. Meanwhile, the dentists’ pick is Oral-B’s iO3 electric toothbrush, which houses “two of the most important features” – a pressure sensor and timer – that Dr Felici looks for in a powered toothbrush. What electric toothbrushes didn’t make the cut? Colgate’s 360 slim sonic toothbrush didn’t quite measure up.…