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An Oral-B iO electric toothbrush can be a significant investment, especially when the differences between the iO2, iO3, iO9 and iO10 models aren't immediately obvious. Choosing accessories makes things even trickier: not all Oral-B brush heads are compatible with an iO handle.
Before you place your order, there are three pitfalls to avoid:
Oral-B iO replacement heads are designed for handles in the iO range. They must not be fitted to an Oral-B Pro, Smart, Genius or Vitality. Conversely, Oral-B Cross Action and Oral-B Pro 3D White brush heads are stated as incompatible with iO models.
This distinction has a direct impact on the cost of use. A handle sold with just one head means you'll need to buy refills regularly. The Gentle Care and Ultimate Clean models are available in several pack sizes and should generally be replaced approximately every three months, or sooner if the filaments are damaged.
For an iO handle, always check for the wording "compatible only with Oral-B iO" before ordering.
A pressure sensor helps you identify excessive pressure while brushing. Depending on the model, a light signal or a change in movement tells you to ease off. This feature can prove useful for adults with sensitive gums, but it does not replace the advice of a dentist if irritation or persistent bleeding occurs.
The choice of brush head also plays a role. Oral-B Gentle Care uses soft, fine bristles, while Oral-B Ultimate Clean combines several types of filaments for a more energetic clean. Comfort depends on your sensitivity, your technique and the pressure you apply.
A rechargeable Oral-B toothbrush operates with a built-in battery and a charging station. The specifications of the models shown indicate IPX7 water resistance for the handle, but the charging station must be kept away from water and wet surfaces.
If you travel regularly, compare the contents of the box carefully: a travel case saves you from carrying the handle and brush head separately. The iO10 model includes a case that can charge the brush, while some iO2 versions come with a simple travel case, without any connected function.
Why this choice suits this profile: The iO2 brings together the essential features for discovering the range: pressure sensor, two-minute timer, 30-second alerts and a magnetic charging station.
It avoids paying for connectivity or a multitude of settings, while keeping the main benchmarks for brushing your teeth properly.
Lithium-ion battery, IPX7 handle and one brush head included.
Why this choice suits this profile: The iO3 model adds a light ring that signals the pressure applied using a colour code, without any wireless connection.
The light feedback makes it easy to spot excessive pressure, without relying on a mobile app.
Two-minute timer, zone alerts and water-resistant handle.
Why this choice suits this profile: The iO10 is aimed at those who want to track duration, coverage and pressure thanks to the iO Sense charger and Bluetooth connectivity.
Its advanced features serve a specific purpose: zone tracking, personalised settings and digital guidance.
Seven modes, interactive display and travel case with charging function.
Why this choice suits this profile: This Oral-B iO Kids electric toothbrush is suitable for children from 3 years old according to the product specification. It offers an extra-soft mode, a pressure sensor and a Spider-Man case.
The extra-soft mode and child-friendly format avoid choosing an adult handle just for its price or appearance.
Rechargeable battery, IPX7 resistance and 30-second pulses.
For a child aged 6 and over, Oral-B iO Kids Stitch or Spider-Man heads can complement the suitable handle. Adult supervision is still recommended, particularly when replacing the brush head and to prevent the child from chewing on it.
We have compiled a complete list, updated in real time, of products that meet these strict selection criteria as well as European safety requirements.
Oral-B Gentle Care is the option to go for thanks to its soft, fine bristles. It is reserved for iO handles. If sensitivity or irritation persists, seek advice from a dental health professional.
Product specifications generally recommend replacing the head every three months, or sooner if the bristles are frayed or deformed, or if the coloured indicator has faded. Rinse the head after each use and let it air dry.
No. Cross Action brush heads are designed for several rechargeable Oral-B handles, but are explicitly incompatible with the iO range. For an iO2, iO3, iO9 or iO10, choose a head clearly marked compatible with Oral-B iO.