The brush heads for the Oral-B iO Series 9 Electric Toothbrush last about three months with regular use.
The manufacturer recommends swapping them out every three months to keep up cleanliness and performance.
The brush heads even come with indicator bristles that fade over time, reminding you when it’s time for a new one.
According to our research, folks seem to agree with this timeline and often notice a drop in bristle effectiveness around the three-month mark, which matches what the manufacturer suggests.
How we researched this
Where this comes from: This answer is based on ShopSavvy's product database, real-time pricing from 6 retailers, and a look at hundreds of user reviews to give you a well-rounded picture.
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More Answers
If you're still curious about the Oral-B iO Series 9 Toothbrush, here are some other answers you might find interesting:
Alternatives to Consider
If the Oral-B iO Series 9 Toothbrush doesn't quite fit your needs, here are some other options to consider:
Philips Sonicare DiamondClean Smart 9750
The Philips Sonicare DiamondClean Smart 9750 combines advanced technology with superior cleaning performance, often available at competitive prices, especially during sales. It features multiple brushing modes and is widely praised for its efficiency, making it a smart alternative to the Oral-B iO Series 9 if you're seeking similar performance without the hefty price tag.
Waterpik Complete Care Water Flosser and Sonic Toothbrush
For those wanting comprehensive oral care, the Waterpik Complete Care system includes both a sonic toothbrush and a water flosser. This makes it an excellent alternative to the Oral-B iO Series 9 for a more holistic approach to dental hygiene, ensuring thorough cleaning of both teeth and gums.
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