Colgate Oral and Dental Health Resource Center

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Invisible Nasties

What's Lurking in your Toothbrush?  Invisible Nasties!

Don't give germs and bacteria a place to hide!

Germs and bacteria, or invisible nasties as we call them, can be a real danger to your smile. Dentists recommend that you change your toothbrush every three months. Studies show that after three months of normal wear and tear toothbrushes are much less effective at removing plaque from teeth and gums.

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Toothbrush Tips

Colgate offers a complete line of toothbrushes, each designed to meet your specific oral care needs. As unique as each brush is, you can count on all of them to help remove dangerous plaque from teeth and gums. Improve the effectiveness of your brush and lower the chance of carrying harmful germs and bacteria by following the care tips outlined below.

How can I take care of my toothbrush?

Toothbrushes can harbor germs and bacteria, we call them Invisible Nasties. To keep your toothbrush and yourself healthy:

  • Make sure you let your toothbrush dry out between uses.
  • After using your toothbrush, shake it vigorously under tap water and store it in an upright position so that it can air out.
  • To prevent cold and flu viruses from being passed between brushes, try to keep your toothbrush from touching others when it is stored.

How often should I change my toothbrush?

Dentists recommend that you should change your toothbrush at least every three months.

Studies show that after three months of normal wear and tear, toothbrushes are much less effective at removing plaque from teeth and gums compared to new ones. The bristles break down and lose their effectiveness in getting to all those tricky corners around your teeth.

It's also important to change your toothbrush after you've had a cold, the flu, mouth infection or a sore throat. That's because germs can hide in toothbrush bristles and lead to re-infection.

How often should I brush my teeth?

Brushing twice a day with a fluoride toothpaste has been proven to reduce the risk of tooth decay.

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