Do you know how often you should replace your toothbrush? The CDC would advise every 3-4 months, but what is this based on?
There are lots of different types of toothbrushes, and there are also huge variables like how often you brush, how firmly you brush, and even where you store your toothbrush.
We're going to take a look at when you should replace your toothbrush, as well as why it's important to do so. Keep reading, and we'll jump in!