Your toothbrush may look just fine to the untrained eye, but the truth is after a period of time there are many reasons why you need to change out your toothbrush. 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 in Fort Lauderdale wants you to know why it’s important to replace your toothbrush every few months.