Tooth Decay - NHS

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Preventing tooth decay

Tooth decay happens when bacteria create a sticky layer called plaque over your teeth. This damages the surface of your teeth over time.

Tooth decay is common in children, so it's important to make sure they're looking after their teeth and gums from an early age.

There are some simple things you can do to keep your and your children's teeth and gums healthy and help prevent tooth decay.

Do

  • brush your teeth at least twice a day with fluoride toothpaste – spit after brushing, do not rinse

  • clean in between your teeth every day using floss or interdental brushes

  • use sugar-free medicines

  • have regular dental check-ups (your dentist will be able to advise you about how often you need to go)

Don’t

  • do not have too much sugary food or drink

  • do not smoke

  • do not regularly drink more than 14 units of alcohol a week

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