Your questions about Oral-B toothbrushes answeredWhich is the best Oral-B toothbrush?When it comes to the iO series, you’re not paying for a better clean, you’re paying for more features. The brushing performance across the iO4, iO6 and iO9 is identical. And while technically it uses a less powerful motor, we found the iO2 made no difference to the resulting clean of our teeth.With the basics of brushing in mind, the Oral-B iO3 is our top recommendation and the best choice for most people. Not only was it recommended to us by dentists, but it delivers the premium cleaning power of the iO range for (usually) less than £100. Compared to the iO2, it also felt smoother and more luxurious to use, and made the price jump from manual to electric feel worthwhile. For those who absolutely must add a bit of gizmo-sparkle to their handle, the iO6 marks the sweet spot between techy features and price. The on-handle display looks great, and it’s a practical enough addition that provides feedback without the hassle of an app.And for those who want to spoil their teeth? Look to the iO9 and iO10 models, which take coaching to the next level, alongside helpful features such as fast charging and a handy travel case with its own in-built charging systems. Lastly, pint-sized pearly whites won’t go amiss with the iO kids brush, which brings a sense of fun to daily brushing while giving parents enough cues to monitor performance. How we tested and selected the beset Oral-B electric toothbrushesWe spent months testing each of the seven Oral-B toothbrushes, swapping them in for our usual brushes one after the other to measure results. To test on a range of different mouths, we enlisted the help of a six-year-old family member and called on a handful of experts to weigh in where needed. Together, we considered the following factors:Cleaning: After every brush, we checked for that dentist-fresh feeling of smoothness on the tooth surface. We looked out for any differences in results between the gear-driven motor of the iO2 and the magnetic drive of the later iO models.Features: We tested the unique features of each model to see if they were worth the added cost. For the iO6 and iO9, for example, that meant evaluating the usefulness of having an on-handle display. We tested the pressure sensor on each model to ensure it gave a clear warning when brushing too hard.Battery: We ran each brush down from a full charge to see how its battery life held up under normal, twice-daily use. Once empty, we timed how long each took to return to 100 per cent.Value: We considered the ongoing costs of replacement brush heads, whether extras such as on-handle LCD display felt worth an increased spend and if the brushes routinely retailed for their RRPs or were regularly reduced. Why you can trust IndyBest reviewsSteve Hogarty has spent years testing and writing about smart home and wellness gadgets. He personally tested dozens of electric toothbrushes in 2025 for a previous iteration of The Independent’s guide to the best models, meaning he was able to cut through the marketing fluff and identify the features that genuinely make a difference when rounding up some of the best Oral-B devices.Meanwhile, Lucy Smith is one of the IndyBest team’s senior shopping writers and, this year, pulled together her definitive list of the best electric toothbrushes. Much like Steve, this means she has a great understanding of where the bar sits for an effective toothbrush. She’s also covered the best teeth whitening kits and spoken to numerous dentists in her time as a journalist, so she was able to use her experience and acquired expert titbits to inform her choices when reviewing Oral-B’s top brushes. There’s more to brushing than Oral-B. Check out our round-up of the best electric toothbrushes in 2026