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When Is the Right Time to Get a New Toothbrush?

September 24, 2026

Woman putting toothpaste on her toothbrush

A habit that has followed you since childhood is brushing your teeth. You might remember your parents telling you how important it is, and now your dentist is doing the same. It’s recommended to do it twice daily, but you will need to get a toothbrush on occasion. You might be wondering when you should swap out your current one. Here’s the general timeline and how this switch can protect your smile.

When Should I Get a New Toothbrush?

In short, you should get a new toothbrush every three to four months. That said, it may be sooner if you’re particularly aggressive with the habit. If you have trouble remembering when to, then do it every time the season changes. That way, you keep your oral hygiene routine updated and effective. If you have an electric toothbrush, the heads follow this same timeline.

Why Do I Have to Swap Out My Toothbrush?

While jeans, wine, and cheese get better with age, the opposite is true for your toothbrush. The bristles wear down and lose their stiffness over time. So, the longer you use them, the more they’ll struggle to scrub off harmful plaque.

Not only that, but they can also hold onto germs if you’re sick. The virus can stick to them and reinfect you even after you’ve recovered. So, if you are getting over an illness, it’s important to get a new toothbrush as well. Don’t share this tool with anyone else either; that way, you aren’t exposed to their germs.

Is Using a Toothbrush for Too Long Harmful?

If your toothbrush isn’t able to do its job, then it can become harmful to your smile. Bacteria can accumulate and increase your risk of cavities, gum disease, and bad breath. Instead, by swapping out this tool every season, you can avoid trouble.

In fact, it’s an easy and cost-effective way to safeguard your smile. So, if you can’t remember the last time you did this, then it may be time. Once you do, consider setting a reminder on your calendar; that way, you stay on top of it and keep your oral health strong.

About the Practice

Want to protect your teeth and gums? Our team at South Ridge Dental is dedicated to helping patients in Lincoln avoid dental problems with preventive care. Led by Dr. Ryan Shaffer and Dr. Steven Shaffer, we can spot problems while they are minor and give you the treatment you need to avoid further complications. If you need help sprucing up your oral hygiene routine, schedule an appointment or call our office at 402-423-1616.