How often should I replace my toothbrush?

Replace your toothbrush (or your mechanical toothbrush鈥檚 head) every 3 months. This keeps germs, bacteria, and fungus from building up on your brush.

You should also get a new brush

  • young-man-brushing-teethWhenever the bristles start poking out in different directions鈥攖his can injure your gums and make it harder to reach all the nooks and crannies in your mouth where plaque and food debris can hide
  • After you have recovered from an illness, especially a cold, cold sores, the flu, mononucleosis, sinusitis, strep throat, and tonsillitis鈥攜ou don鈥檛 want to encourage germs and bacteria to linger
  • If your teeth become overly sensitive鈥攜ou may need a softer brush or a different configuration of bristles
  • If your toothbrush has been exposed to impure water or anything else you don鈥檛 want in your mouth

How long has it been since you replaced your toothbrush?

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