How does fluoride in mouthwash work?

Preservatives: that prevent growth of bacteria in the mouthwash; Water: to dissolve the other ingredients. Some mouthwashes may also contain fluoride to help make teeth more resistant to acid attacks, and so help defend against tooth decay. DENTAL FACT: Saliva is our mouth's natural mouthwash. read more

When a fluoride rinse, also called a fluoride topical, is used fluoridethat stays in the mouth for about 30 minutes inhibits the formation of cavities and tooth decay. It can also strengthen the enamel of your teeth. After you brush your teeth, swish the fluoride rinse around in your mouth and then spit it. read more

A fluoride rinse works as a mouth rinse: You swish a couple of teaspoons’ worth in your mouth for a minute and then spit it out. Bathing your teeth in the rinse helps to remineralize their enamel, which can prevent cavities from forming and even help repair early decay. Fluoride rinses are available over-the-counter or by prescription. read more