How do you decide the toothbrush exchange cycle?



toothbrush

I'm sure everyone has their own standards.

How do you decide the toothbrush exchange cycle?

It's not even marked...


1407 2015-05-31 Gentleman

A. 1

I change my toothbrush head when it starts to bend


Gentleman 9 years ago 0

A. 2

There's a toothbrush that tells you that.


Gentleman 9 years ago 0


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