Select two exact handles to see whether their documented replacement-head lists overlap.
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Do these handles share heads?
Select two exact models.
How to read overlap
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The overlap is the intersection of two explicit manufacturer-supported head-family lists. An empty intersection means none is documented here, not that every possible refill is physically incompatible.
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Sources and scope
- Oral-B replacement-head fit guide · manufacturer; web search excerpt; retrieved 2026-10-30
- Philips brush-head system guide · manufacturer; web search excerpt; retrieved 2026-10-30