The Oral-B iO Series 9 is the most technologically advanced consumer toothbrush available. Its round oscillating head, paired with a micro-vibration linear magnetic drive, delivered the highest plaque removal in our testing and beat every sonic competitor in the critical gumline zone. The AI-powered pressure sensor …
Quantitative scoring on the metrics that matter for devices. Higher is better.
Practical considerations for daily operation.
Designed to slot into a typical daily-use routine without friction.
Plan a short learning curve to get a feel for the device's prompts and ideal positioning.
Keep the unit clean and store it in a dry case to preserve accuracy long-term.
Best kept on a counter or shelf at home; not engineered for daily commuting.
App access unlocks history and trend tracking, but on-device readouts cover daily use.
The Oral-B iO Series 9 is the most technologically advanced consumer toothbrush available. Its round oscillating head combined with micro-vibration linear magnetic drive system produces the highest plaque removal efficiency in our testing — outperforming all sonic competitors in the critical gumline zone. The AI-powered pressure sensor stops the brush and alerts you before gum recession-causing over-pressure occurs. The companion app maps your entire mouth in real-time, showing exactly which areas you've missed. Seven brushing modes cover all conditions from sensitive gums to whitening to periodontal care.
The Oral-B iO Series 9 alongside our top picks in devices.
The Oral-B iO Series 9 is the most technologically advanced consumer toothbrush available. Its round oscillating head, paired with a micro-vibration linear magnetic drive, delivered the highest plaque removal in our testing and beat every sonic competitor in the critical gumline zone. The AI-powered pressure sensor stops the brush and warns you before you apply enough force to cause gum recession. The companion app maps your whole mouth in real time and shows exactly which areas you missed. Seven brushing modes cover everything from sensitive gums to whitening to periodontal care.
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