Question 1

Will these replacement heads fit all Oral-B IO series models, or is there a catch?**

Accepted Answer

These heads are designed for the IO 3, 4, 5, 6, 7, 8, and 9 series. Most users report a snug snap-on fit, though a small number on TikTok mentioned a slightly looser feel compared to genuine Oral-B heads. If your brush uses a pressure-sensitive smart feature, these heads may not communicate that data as precisely. For daily cleaning without smart features, they work reliably.

Question 2

How soft or firm are the bristles? Will they hurt sensitive gums?**

Accepted Answer

The bristles are medium-stiffness plaque control indicators—not soft. Many Reddit users describe them as "effective but firm," so if you have sensitive gums or prefer a gentle brush, you might find them too harsh. We recommend starting with light pressure to avoid irritation.

Question 3

How long does one head last before it needs replacing?**

Accepted Answer

Based on user feedback, most heads last between 2 to 4 weeks with twice-daily use. A few reviewers noted bristle fraying sooner than expected, so check for wear weekly. To maximize lifespan, rinse thoroughly and store upright. For best value, we suggest rotating between heads.

Question 4

What's your return policy if these don't fit my toothbrush model correctly?**

Accepted Answer

We offer a 30-day return window for unused or gently used heads. If you experience a fit issue, contact our support team with your brush model number and a photo of the head attachment—we'll process a refund or exchange quickly. Note that heads showing excessive wear may not qualify.

Question 5

Are these as good as the official Oral-B IO heads, or should I just buy the name brand?**

Accepted Answer

You're paying roughly half the price of OEM heads—so the trade-off is in fit tolerance and bristle longevity. Many satisfied customers find them perfectly fine for daily plaque control, especially as backup sets. However, if you rely on smart brush features or have very sensitive teeth, the genuine Oral-B heads offer a more consistent experience with softer bristles and tighter fit.

Replacement Heads ”Compatible with” Oral B IO Electric Toothbrush,Toothbrush Brush Heads Compatible with” IO 3/4/5/6/7/8/9 Series, 4 Count Plaque Control (White)

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