The Importance of Fluoride for Children

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What Does Fluoride Do?

Fluoride varnish (5% sodium fluoride) is used to prevent tooth decay. It lowers cavity causing oral bacterial levels and repairs and strengthens teeth.

Fluoride prevents the acid produced by the bacteria in plaque from dissolving, or demineralizing, tooth enamel, the hard and shiny substance that protects the teeth. Fluoride also allows teeth damaged by acid to repair, or remineralize, themselves. Fluoride cannot repair cavities, but it can reverse low levels of tooth decay and thus prevent new cavities from forming.

So How much Fluoride Do Kids Need?

The water in Logan, UT does not contain fluoride, so Dr. Kurt typically recommends a topical fluoride varnish for children during routine dental visits.

Here are some other tips that you can consider:

  • Use a fluoride-containing toothpaste that carries the ADA's seal of acceptance.

  • Brush babies' teeth as they come in with an infant toothbrush. Use water and a tiny bit of fluoride toothpaste (about the size of a grain of rice). If you are using baby toothpaste without the fluoride, keep it to the same amount because you still want to minimize any toothpaste that is swallowed.

  • Kids ages 3 and up should use only a pea-sized amount of fluoride toothpaste.

  • Kids under age 6 should never use fluoride-containing mouth rinses. But older kids at high risk for tooth decay may benefit from them. Your dentist can talk with you about risk factors such as a family history of dental disease, recent periodontal surgery or disease, or a physical impediment to brushing regularly and thoroughly.

What do I need to know about fluoride varnish?

It’s safe and effective and is easily applied to the teeth. Infants and children can eat and drink shortly after application. The main purpose is to strengthen the enamel of the teeth and help reduce the incidence of cavities by 30-35% and can even reverse early cavity formation.

How is fluoride varnish put on my child’s teeth?

The varnish is painted on the teeth. It is quick and easy to apply and does not have a bad taste. There is no pain, but your child may cry just because babies and children don’t like having things put into their mouths by other people.

Dr. Kurt Vest is a great resource to learn more dental care tips and fluoride needs for your kids.


Miranda Tilley