Browse model-specific replacement-head questions from the site research without fabricated bestseller or search-volume claims.
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Commonly researched model questions
This is an editorial navigation list, not a bestseller ranking. These exact model questions appeared in the U.S. Google autocomplete research queries or the site plan. We have no sales-volume, internal-search-frequency or live marketplace ranking data, so the order has no popularity meaning.
| Handle question | One documented head example | Catalog market | Documented fitting head families |
|---|---|---|---|
| Oral-B iO Series 6 | Oral-B iO Gentle Care | US | 5 |
| Oral-B Pro 1000 | Oral-B 3D White X-Filament | US | 9 |
| Philips Sonicare 4100 Series HX3681/24 | Philips Sonicare A3 All-in-one | US | 11 |
| Philips One Battery HY1100/03 | Philips One replacement heads | US | 1 |
| Waterpik Sensonic STW-03W020 | Waterpik Sensonic Contour | US | 1 |
| BURST Pro 2.0 Sonic | BURST Pro Replacement Head | US | 1 |
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How to use the list
Open the exact handle page before clicking any shopping link. One head example is shown to identify a connection; it is not a personal recommendation or a price comparison. If your printed model differs, search it directly.
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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 Pro series · manufacturer; web full text; retrieved 2026-10-30
- Oral-B replacement-head fit guide · manufacturer; web search excerpt; retrieved 2026-10-30
- Sonicare 4100 HX3681/24 · manufacturer; web search excerpt; retrieved 2026-10-30
- Philips brush-head system guide · manufacturer; web search excerpt; retrieved 2026-10-30
- Philips US electric toothbrush catalog · manufacturer; web full text; retrieved 2026-10-30
- Philips One brush heads · manufacturer; web search excerpt; retrieved 2026-10-30