Round heads for Electric Toothbrushes

Round describes head geometry, not a universal connector. Oral-B iO and non-iO round heads use different attachment systems.

What this label means

Round describes head geometry, not a universal connector. Oral-B iO and non-iO round heads use different attachment systems.

Use the head-family page for the recorded attribute and the exact model-to-head fit list. Missing measurements are left blank instead of estimated.

Source-linked examples

Check before buying

1. Read the code on your handle.
2. Confirm the physical fit status for the exact head.
3. Check pack number, market and any smart feature separately.

Open the pair checker →

Sources and scope

1. ADA toothbrush guidance · dental professional organization; web search excerpt; retrieved 2026-10-30
2. Oral-B iO heads · manufacturer; web full text; retrieved 2026-10-30
3. Oral-B iO Gum & Sensitive 2-count black · manufacturer; web full text; retrieved 2026-10-30
4. Oral-B non-iO heads · manufacturer; web full text; retrieved 2026-10-30