Your toothbrush may look just fine to you on the outside, but the truth is there are a few practices you need to know in order to keep your toothbrush clean. You may think you’re practicing great oral hygiene habits at home, but what good is that doing your smile if your toothbrush is harboring dangerous bacteria? Your dentist wants you to know why it’s important to replace your toothbrush every few months and a few other tips to keep your toothbrush in tip-top shape.