Oral-B offers a variety of replacement heads for your oral care needs. And since all our brush heads fit all our electric toothbrush handles equipped with oscillating cleaning action, it’s easy to find the perfect fit for you. Browse our entire line of Oral-B replacement brush heads.
*vs. a regular manual toothbrush **does not replace flossing
For optimal results, we recommend you change your brush head every 3 months.
The brush head should slide on with a little downward pressure. If you're using the correct brush head and that's not the case, it's possible some of the plastic from the inside of your old brush head has come loose and stuck to the brush shaft. Sometimes toothpaste can build up under the brush head and solidify to forma tight bond. Then, when the brush head is ready to be replaced, it can break during removal and leave this piece behind.
To fix it, try running the toothbrush’s top section (around the plastic connector and metal shaft) under warm water for at least ten seconds. Then, see if you can pull the extra piece off. You might have to give it quite a forceful tug, but it should come right off. If it does, your new brush head should fit.
To prevent this from happening again, we recommend the cleaning and maintenance routine noted in the manual.
This should prevent any toothpaste buildup.
https://oralb.com/en-us/products/replacement-brush-heads/?_bc_fsnf=1&Brush+Head+Type=iO+BRUSH+HEADS#undefined
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