How often should you really replace your toothbrush?

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July 12, 2026 How often should you really replace your toothbrush? By Angela Haupt Editor, Health and Wellness Be honest: Can you remember the last time you replaced your toothbrush? If the answer is no, dentists say you're probably overdue—and a worn-out brush may not be cleaning your teeth as well as you think. Here's why the three-month rule really matters. READ MORE » If you have a minute, please take our quick survey to help us better understand who you are and which health topics interest you most. Take the Survey WHAT ELSE TO READ Are You Gaslighting Yourself? Here's How to Tell Plus, what to do about it.   Stop Saying These 5 Things to People With Social Anxiety Well-intentioned phrases can actually set your friend back.   Should You Take a Vitamin B12 Supplement? Here’s what to know about vitamin B12 and whether you should consider upping your levels.   If you were forwarded this and want to sign up to receive it daily, click here. Today's newsletter was written by Angela Haupt and edited by Mandy Oaklander.   Want more from TIME? Sign up for our other newsletters.         Subscribe to TIME TIME may receive compensation for some links to products and services in this email. Offers may be subject to change without notice. Connect with TIME via Facebook | X | Newsletters PRIVACY POLICY | YOUR CALIFORNIA PRIVACY RIGHTS Questions? Contact newsletters@time.com Update your email preferences or unsubscribe here © 2026 TIME USA, LLC. All rights reserved. TIME Customer Service, P.O. Box 37508 Boone, IA 50037-0508, United States Terms of Service