Cavity Prevention: About Fluoride Therapy

Posted on: December 2, 2018

Fluoride therapy is used to prevent tooth decay and to repair teeth at the early stages of decay. If you have a tooth that is showing signs of decay, ask your dentist if fluoride therapy can help prevent your tooth from decaying.

About fluoride therapy

What happens during therapy treatments?

When you go in for fluoride therapy, your dentist will give you the option of using a concentrated rinse or gel or applying the treatment using a swab or mouthwash. The fluoride used in the therapy is more concentrated than the fluoride in your water or toothpaste, which is why your dentist will tell you to avoid drinking or eating for at least 30 minutes after the therapy.

How long does the therapy take?

It takes a few minutes to apply the fluoride to your mouth, so do not expect to spend too much time at the dentist’s office.

Are there side effects after the therapy?

It is very rare to get fluoride poisoning, but like any medication, too much of it can lead to complications. Over-exposure to fluoride can be dangerous for children because it may harm their teeth and bones, which is one of the reasons a lot of children’s toothpastes do not have fluoride.

Over-exposure to fluoride can also cause staining of the teeth, specks on adult teeth and brittle bones. Over-dosing on fluoride can cause nausea, diarrhea, excessive sweating and death.

How much does the treatment cost?

Fluoride therapy is covered by most insurances, but if you are paying out of pocket, the price ranges from $10 to $50. Ask your dentist how much it will cost before going for the therapy.

What are the benefits of fluoride therapy?

Fluoride helps to restore the minerals on the surface of teeth in places where bacteria may have destroyed the enamel. It also prevents the growth of harmful bacteria and prevents further cavities. Even though fluoride cannot remove decay, it can stop the decay from spreading further in your teeth.

Fluoride is effective for kids and adults. Kids exposed to fluoride at an earlier age are less likely to develop cavities.

According to the American Dental Association, studies found that people who drank water that contained fluoride were 40 to 60 percent less likely to have dental cavities or tooth decay.

Do you need to use toothpaste after fluoride therapy?

Even after going for fluoride therapy, you should brush your teeth at least twice a day and floss on a regular basis to prevent cavities and tooth decay.

How much fluoride should children use?

To avoid the potential side effects, you should supervise children under three while they are brushing their teeth. If they are using toothpaste that contains fluoride, make sure they only use a little and that they spit out the toothpaste after brushing.


Fluoride therapy is a great way to attack bacteria and prevent the spread of tooth decay. If your teeth are showing signs of decay, you should consider going for a fluoride therapy session.

Are you considering fluoride therapy in the Onalaska area? Get more preventive dentistry information at

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