Question 1

Will these heads fit my specific Oral-B iO model — like an iO 5 or iO 9?**

Accepted Answer

Yes, these 8-pack heads are designed to be compatible with all Oral-B iO series brushes (iO 3 through iO 10). However, some TikTok users and reviews note a slightly looser fit on older iO 3 and iO 4 models compared to official Oral B heads. If you have a newer model (iO 6+), the fit is typically snug. For best results, ensure your brush was manufactured after 2020.

Question 2

How do the bristles feel — are they soft or stiff?**

Accepted Answer

The bristles are medium-soft, similar to what you’d get from standard Oral B heads. A handful of Reddit reviewers found them firmer than expected, especially if you have sensitive gums. If you prefer ultra-soft, consider pairing these with a gentler brushing pressure. The indicator bristles fade gradually to remind you when to replace — usually around 3 months.

Question 3

Are these heads safe for my teeth and gums? Are they BPA-free?**

Accepted Answer

Safety is a common concern. These heads are made from BPA-free materials, as confirmed by the seller’s product listing. The rounded tips help prevent gum irritation. If you experience any discomfort, it’s more often due to brushing too hard than the head itself. Many users on YouTube have shared positive long-term experiences without enamel issues.

Question 4

What if they don’t fit or arrive damaged — can I return them?**

Accepted Answer

Absolutely. The seller offers a standard return window (usually 30 days). If your pack arrives with crushed packaging or any head has bent bristles (a rare but mentioned issue), contact customer service directly for a replacement or refund. Several Amazon buyers reported smooth resolutions. We recommend checking each head immediately upon arrival.

Question 5

How do these compare to the official Oral B iO replacement heads that cost twice as much?**

Accepted Answer

The biggest difference is price — this 8-pack costs about half of what you’d pay for 4 official heads. In terms of cleaning performance, most users find them nearly identical. The trade-offs are: slightly less precise fit (especially on older models), faster fading indicator bristles, and less premium packaging. For everyday use and travel backups, they’re a strong value. If you’re a perfectionist about the brush’s feel, you may prefer the official heads.

8 Pack Toothbrush Replacement Heads Compatible with Oral B iO, Toothbrush Heads Compatible with Oral B iO 3 4 5 6 7 8 9 10 Series Electric Toothbrushes, Black

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