Replacement Brush Heads for Oral-B iO Series 9

Find documented replacement heads for Oral-B iO Series 9, including connector type, fit exclusions, specifications and manufacturer evidence.

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Exact model and connection

Identity of Oral-B iO Series 9
Field	Verified catalog detail
Brand	Oral-B / Braun
Model / codes	Oral-B iO Series 9
Connector family	Oral-B iO dedicated
Market record	US
Product status	not assessed

Also searched as: iO9, iO 9, iO Series 9.

Recorded specifications

Source-supported specifications
Attribute	Recorded value
Technology Label	iO oscillating rotation with micro-vibrations

Replacement heads that fit

These are manufacturer-supported family-level records. Pack variants can differ by region or specification; inspect the exact part number before buying.

Documented fits
Head family	Result	Features	Evidence
Oral-B iO Gentle Care	Confirmed fit	sensitive gums	Which iO is right for you? search excerpt; confirm full page · checked 2026-10-30 Adult iO 2–10 only; does not automatically decide iO Kids.
Oral-B iO Gum & Sensitive	Confirmed fit	sensitive gums, sensitive teeth	Which iO is right for you? search excerpt; confirm full page · checked 2026-10-30 Adult iO 2–10 only; does not automatically decide iO Kids.
Oral-B iO Targeted Clean	Confirmed fit	braces, implants, crowns bridges	Which iO is right for you? search excerpt; confirm full page · checked 2026-10-30 Adult iO 2–10 only; does not automatically decide iO Kids.
Oral-B iO Ultimate Clean	Confirmed fit	daily cleaning	Which iO is right for you? search excerpt; confirm full page · checked 2026-10-30 Adult iO 2–10 only; does not automatically decide iO Kids.
Oral-B iO Ultimate White	Confirmed fit	surface stains	Which iO is right for you? search excerpt; confirm full page · checked 2026-10-30 Adult iO 2–10 only; does not automatically decide iO Kids.

Heads documented as incompatible

A negative result prevents a wrong purchase. No purchase link is shown for these heads.

Documented exclusions
Head family	Result	Evidence
Oral-B 3D White X-Filament	Confirmed not fit	Oral-B replacement-head fit guide search excerpt; confirm full page · checked 2026-10-30
Oral-B CrossAction	Confirmed not fit	Oral-B replacement-head fit guide search excerpt; confirm full page · checked 2026-10-30
Oral-B CrossAction X-Filament	Confirmed not fit	Oral-B replacement-head fit guide search excerpt; confirm full page · checked 2026-10-30
Oral-B Daily Clean	Confirmed not fit	Oral-B replacement-head fit guide search excerpt; confirm full page · checked 2026-10-30
Oral-B FlossAction X-Filament	Confirmed not fit	Oral-B replacement-head fit guide search excerpt; confirm full page · checked 2026-10-30
Oral-B Precision Clean X-Filament	Confirmed not fit	Oral-B replacement-head fit guide search excerpt; confirm full page · checked 2026-10-30
Oral-B Sensitive Gum Care	Confirmed not fit	Oral-B replacement-head fit guide search excerpt; confirm full page · checked 2026-10-30
Oral-B Sensitive & Gum X-Filament	Confirmed not fit	Oral-B replacement-head fit guide search excerpt; confirm full page · checked 2026-10-30
Oral-B Ortho Brush Head	Confirmed not fit	Oral-B official replacement head fit guide reviewed official source page · checked 2026-10-30 Ortho is in Oral-B's standard rotating range; iO is excluded.

What if a head is missing?

Missing pairs are Unknown, not confirmed incompatible. Check the manufacturer’s current package fit list for your exact model and region.

View the manufacturer’s product or support page ↗

How to use this result

Confirm the model code printed on your handle.
Open a fitting head to check its pack part numbers and bristle information.
Check the retail package against your region and model before purchase.

Search the recorded replacement on Amazon

These are search-result links, not verified Amazon product listings. Price, stock and seller authenticity are not checked.

Oral-B iO Gentle Care

This head family has a documented fit in the BrushMatch catalog. Amazon search results may contain other products; confirm the exact head and your handle before ordering.

(paid link)

Search this head on Amazon

Oral-B iO Gum & Sensitive

This head family has a documented fit in the BrushMatch catalog. Amazon search results may contain other products; confirm the exact head and your handle before ordering.

(paid link)

Search this head on Amazon

Oral-B iO Targeted Clean

This head family has a documented fit in the BrushMatch catalog. Amazon search results may contain other products; confirm the exact head and your handle before ordering.

(paid link)

Search this head on Amazon

Found a wrong model or part number? Report a fit error.

Sources and scope

Oral-B iO comparison catalog · manufacturer; web search excerpt; retrieved 2026-10-30
Which iO is right for you? · manufacturer; web search excerpt; retrieved 2026-10-30
Oral-B replacement-head fit guide · manufacturer; web search excerpt; retrieved 2026-10-30
Oral-B iO heads · manufacturer; web full text; retrieved 2026-10-30
Oral-B official replacement head fit guide · manufacturer; web full text; retrieved 2026-10-30