How long does a toothbrush last?

Like other products, toothbrushes have a long shelf life. This applies to both a manual toothbrush and the brush head of an electric toothbrush.

wear and hygiene

There are two reasons to replace toothbrushes regularly. The first is to wear. After about 3 months, the toothbrushes are generally quite worn out. Even if it’s not really visible yet, this brush cleans less effectively. Even the bristle brush is well spaced from that point. It also affects the speed of wear and how hard it is to apply pressure while brushing. This is why many electric brushes give a message if the pressure is too great while brushing. Some toothbrushes also indicate when the brush head should be replaced.

The second reason is invisible and perhaps less well known and that is hygiene. Over time, a huge amount of bacteria and fungi accumulates on the brush. And since you put it in your mouth, it’s not a very healthy idea. Also for this reason, it is best to replace your brush regularly with a new one.

Replace every 10 to 12 weeks

If you brush your teeth twice daily, your toothbrush should be replaced after about 10 to 12 weeks. Most dentists recommend replacing it every 3 months. An old toothbrush can damage the gums and remove plaque less effectively. As a result, cavities or infections are more likely to occur. The bristles of the brush are a good indicator of whether it’s still doing its job properly. If they start to tear before 3 months have passed, the brush should be replaced sooner. Even in the event of an illness, such as the flu, it is sometimes a good idea to replace the brush as soon as you recover.

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Therefore, adhere to the following guidelines:

  • Replace the toothbrush every 3 months.
  • Or sooner when the hair appears eroded.
  • Or sooner if you are sick.

Hygienic toothbrush storage

To keep bacterial growth on your brush as limited as possible, it is important how you store it after brushing. It is best to rinse it well and then let it air dry vertically. Do not put it in a closed box, as this stimulates the growth of bacteria. The exception is if you want to carry it in your luggage. Moreover, do not place it near the toilet, because of the bacteria from the stool that spreads in the air after flushing. In a previous article we tell you more about hygienic storage of your toothbrush.

(Source: Libelle,,,, Oral-B, Archive. Photo: Shutterstock)

Megan Vasquez

"Creator. Coffee buff. Internet lover. Organizer. Pop culture geek. Tv fan. Proud foodaholic."

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