You’ve had the same toothbrush on your counter for months and months. The bristles aren’t frayed and it seems to be getting the job done. If it’s not broken, don’t fix it, right? Even though it may seem to be holding up, toothbrushes older than four months do not clean your teeth as well as you might think. There’s a reason your dentist recommends replacing your toothbrush every three to four months. If this situation sounds familiar, it may be time to get a new toothbrush.
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