Photo of a dirty toothbrush

How often should I change my toothbrush?

Posted by Simon Cooper on


How old is your toothbrush? Any idea?

If you’re anything like me, buying a new toothbrush often gets forgotten until your bristles are frayed and look downright gross.

Having to remember something so mundane is annoying. Let’s face it, a toothbrush is not high on the list of things that are fun to shop for.

But using an old toothbrush is more than just bad for your teeth, gums and general health. It’s also proven to lead to things like dementia and heart disease. Yikes! 

How often should you change your toothbrush?

Most dentists and hygienists recommend replacing it every 3 months. However, if you notice that your bristles are starting to fray earlier, then consider replacing your toothbrush sooner. 

Toothbrush bristles are only effective if they are in good condition. Once they start to wear out they will damage your tooth enamel and gums, which can lead to periodontal (gum) disease. 

Here’s why you should replace your toothbrush every 3 months:

• Worn bristles become prone to bacterial and fungal growth
• You can develop bad breath
• Frayed bristles (even a tiny bit!) can damage your tooth enamel and gums
• Always replace your toothbrush after getting sick

The Centers for Disease Control and Prevention (CDC) says that even if your toothbrush looks like it’s in good condition, you should replace it regularly.

Rose Gold and Slate Grin Toothbrushes

Rose Gold and Slate Grin Toothbrushes

If you forget to change your toothbrush frequently, then consider choosing a Grin toothbrush subscription. We deliver your toothbrush to your door and send you replacement reminders every 3 months so you aren't damaging your tooth and gums. It's an easy, cost-effective way to make sure you're not using a worn out toothbrush.

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