Oral hygieneis super important.Keeping your teeth cleanhelps protect your overall healthandkeeps your breath smelling fresh.
Regular brushing wears down the bristles of your toothbrush, meaning that it needs to be replaced regularly.
The American Dental Association recommends changing your toothbrushatleastevery three to four months.

What happens if you don’t change your toothbrush every three to four months?
Well, things can get pretty nasty.
Your toothbrush isn’t just getting worn out as the weeks pass, it’s also accumulating germs.
This is especially true if you store your toothbrush anywhere near your toilet.
Every time you flush the toilet, water droplets fly to your toothbrush, covering it in filth.
If you think covering your toothbrush to keep it free of poo particles will save you, think again.
Covering the head of your toothbrush will keep things nice and moist for bacteria growth.
According toBustle, mold can also grow on a toothbrush that isn’t allowed to fully dry.
If you see the telltale black spots of mold on your brush, it’s time to toss it.
You should also change your toothbrush if you’ve been sick.