What Is Fluoride Varnish?

Fluoride varnish is a protective coating brushed on the outer layer of the tooth. This outer layer is called enamel. Fluoride varnish contains the same ingredients as most toothpastes, but at a higher strength. It can be brushed on by a dental or primary care provider.

Why Is Fluoride Varnish Put on Teeth?

It makes teeth stronger and protects them from tooth decay or caries. Dental caries are also called cavities. Cavities are a common, but preventable health problem in children. Cavities can:

• Cause pain or infection.
• Make it hard to chew food or speak.
• Lead to other health problems.

Important: Fluoride varnish does not replace brushing and flossing at home. It is still very important to care for your child’s teeth at home.

Is Fluoride Varnish Safe?

Fluoride varnish is safe for infants, young children, and teens. Only a small amount of fluoride varnish is used at a time. Infants should get it as soon as their first tooth comes in.

How Often Should Your Child Have Fluoride Varnish?

The American Academy of Pediatric Dentistry (AAPD) recommends fluoride varnish be applied to children’s teeth 2 to 4 times a year. Children who are at high risk for cavities may need to have it applied more. Ask the dental provider if your child is at high risk for cavities.

What To Expect After Fluoride Varnish?

After the fluoride varnish treatment is brushed on your child’s teeth, they:

• May eat and drink right after applying.
• Should avoid hot or crunchy foods and hot beverages for 4 hours after applying.
• Should not brush their teeth for 4 hours after. This is to prevent removing the fluoride varnish.
• May brush, floss and use mouth rinse on their teeth at bedtime of their visit day.

If you have questions about fluoride varnish, please ask your child’s dental or primary care provider.