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Choosing a new Oral-B iO brush head might seem straightforward. Yet, between compatibility traps and sometimes vague marketing promises, making the wrong choice is easier than you think. As experts, our mission is to cut through the noise for you. Follow this guide to find the brush head that's perfectly suited to your device and your needs, and say goodbye to unpleasant surprises.
Before you check out, keep these common mistakes in mind. They could not only cost you money but also compromise your brushing effectiveness and the lifespan of your toothbrush.
To ensure you make the right choice, scrutinise these three points. It's your guarantee of a brushing experience that is both effective and safe.
This is the non-negotiable starting point. Make sure the packaging clearly states "Exclusively compatible with Oral-B iO handles". These are the only brush heads designed to work in perfect sync with the magnetic motor. A genuine Oral-B replacement brush head clicks into place without force and leaves no gap between its base and the top of the handle. This simple visual cue is a hallmark of safety and performance.
Oral-B offers its iO range in two main versions, each designed for a specific need.
A genuine Oral-B iO brush head contains a chip that communicates with the handle. Thanks to this chip, your toothbrush can:
Counterfeits lack this feature. The result: you have to guess when to change your brush head, and you lose a significant part of the "smart" technology that makes the iO series so compelling.
To help you see more clearly, here are our recommendations based on your user profile.
Why we chose it: The perfect solution for those who experience discomfort or bleeding when brushing. It cleans effectively, yet gently.
It directly addresses pitfall #3 (the wrong bristle type) by offering a tailor-made solution for sensitivity, thanks to its extra-soft bristles.
Its curved cleaning profile and high bristle density ensure maximum comfort. The smart chip for wear tracking is, of course, included.
Why we chose it: For anyone who wants maximum plaque removal and that "fresh from the dentist" feeling after every brush.
As an official product, it guarantees perfect compatibility and includes the smart chip. This protects you from the risks associated with counterfeits (pitfalls #1 and #2).
"Tuft-in-tuft" bristle structure with an optimised angle for formidable interdental cleaning. Visual and electronic wear indicators via the chip.
Why we chose it: The perfect option for regular users who want to stock up and optimise their budget. This pack covers up to 18 months of brushing for one person.
Buying an official bulk pack allows you to save money in the long run, without ever giving in to the risky temptation of low-cost counterfeits.
An economical format that gives you over a year of peace of mind. The cleaning performance is strictly identical to the single-pack Ultimate Clean brush head.
We've curated a complete selection of products that meet our selection criteria and the strictest safety standards.
The official recommendation is to replace your Oral-B iO refill every three months. Beyond that, the bristles lose their effectiveness and can become breeding grounds for bacteria. Don't worry, your Oral-B iO handle will alert you anyway thanks to its built-in reminder system (a message on the screen or a change in bristle colour).
While it may be technically possible with some knock-offs, we strongly advise against it. Using an unofficial iO-compatible brush head exposes you to real risks: an improper fit that can damage the motor, the absence of a smart chip for tracking, and poor-quality bristles that are ineffective or even dangerous for your gums. The manufacturer is very clear on this point: a poorly fitted brush head can be ejected during use.
None, other than the colour! The difference is purely aesthetic, designed to match the colour of your Oral-B iO handle. The Ultimate Clean and Gentle Care technologies are available in both shades, with rigorously identical cleaning performance. Simply choose the one you like best.