The Fitment Registry · Replacement brush head compatibility

Oral-B.

Oral-B's published rule is the simplest in the category: every standard head fits every rechargeable handle — except the iO and Pulsonic lines, which standard heads do not fit. iO takes only its own heads.

Not sure which model you own? Oral-B doesn't state a location in the page we cite — it's usually printed on the base of the handle, but check yours or its manual to confirm.

Oral-B CrossAction replacement brush heads & the rest of the standard line (FlossAction, Precision Clean, Sensitive, 3D White and similar) §

Manufacturer rule

Oral-B publishes one general rule: all of its standard brush heads fit all of its rechargeable handles, with exactly two exceptions — the iO line and the Pulsonic line. That covers Pro, Smart, Genius, Vitality and the rest of the standard range.

All Oral-B rechargeable handles except iO and Pulsonic: Pro, Smart, Genius, Vitality and other standard series

Does not cover: iO handles (own heads only) and Pulsonic handles.

This row derives from Oral-B's single published rule, not a per-model matrix — that is why it carries the "manufacturer rule" tier rather than a per-model confirmation.

Source: Oral-B — Which replacement brush head fits my Oral-B toothbrush? · checked 2026-07-03

Oral-B CrossAction heads, genuine 4-count →

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Oral-B iO heads (Ultimate Clean, Gentle Care) §

Manufacturer-confirmed

Oral-B states its iO heads are compatible with iO handles only. They do not fit Pro, Smart, Genius or other standard handles — and standard heads do not fit iO handles.

Oral-B iO Series handles: all iO handles

Does not cover: Every non-iO Oral-B handle.

If you upgrade to an iO handle, your stock of old heads becomes unusable — budget for that switch.

Source: Oral-B — Which replacement brush head fits my Oral-B toothbrush? · checked 2026-07-03

Oral-B iO Ultimate Clean heads, genuine 2-count →

(Affiliate link)

Common questions

Are all Oral-B brush heads interchangeable?

Mostly — Oral-B's published rule is that all of its standard heads fit all of its rechargeable handles, with two exceptions: iO and Pulsonic. The entry above has the rule and its source. See the entry ↑

Do regular Oral-B heads fit iO handles?

No. Oral-B states iO heads are compatible with iO handles only, and its standard-head rule excludes iO — the two systems don't mix in either direction. See the entry ↑

About these rows

Every row restates the manufacturer's own published documentation in our words, with the source linked and the check dated. We never copy their tables, and we never fill gaps by inference — a vague source is rendered as vague. If a row links a replacement part, it is the brand's own product listing (not a third-party compatible) and it clears our standing review floor; the link is an affiliate link and is marked.

What the chips mean: Manufacturer-confirmed — the maker's own documentation lists these exact models (not that any manufacturer reviewed or endorsed this page); Manufacturer rule — derived from a general compatibility rule they publish, not a per-model list; Third-party claim — a seller's claim, rendered as theirs, never as a confirmed fit.

Oral-B is a trademark of its owner. Dental Roundup is not affiliated with, sponsored by, or endorsed by Oral-B — we cite their published documentation. Compatibility documentation changes; the dates above show when we last checked each source. As an Amazon Associate we earn from qualifying purchases.

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