How long does dental fluoride last on teeth?

Frequency of fluoride treatment After brushing your teeth after treatment, the fluoride is removed. Depending on your unique dental health, treatment usually lasts a few months. Talk to your dental provider during your six-month checkup to determine how often you should receive fluoride treatment. Salivary fluoride levels in subparts per million (ppm) prevent tooth decay by shifting the balance from demineralization to remineralization at the interface between teeth and oral fluid, due to the precipitation of calcium phosphates and the formation of fluorohydroxyapatite in the dental structure.

The varnish holder is the component patented by manufacturers, and the properties of this component of fluoride varnish are what seem to make the difference in the release of fluoride. This study compared the new fluoride varnish (ClinProTM XT Varnish) with traditional agents (Fluoritop SR and Fluorprotector), in which the ClinProTM XT varnish consistently and substantially released more fluoride than other products tested. Therefore, the objective of our study was to determine the longevity of the fluoride release of three different fluoride varnishes (ClinProTM XT Varnish, 3M ESPE, Fluoritop SR and ICPA Health Products Ltd.). This suggests a correlation between the fluoride found in varnish and the levels of fluoride detected in human and artificial saliva after its application.

Newly marketed fluoride varnishes are supposed to release fluoride slowly and for extended periods. Fluoride treatment is repeated at least three or four times a year for fluoride treatment to be effective. The application of fluoride varnish causes the formation of calcium fluoride blood cells on the tooth surface, which are stabilized by intraoral protein phosphates and act as an insoluble reservoir at neutral pH. In another study that evaluated the rate of fluoride release between Duraflor, Duraphat and Cavity Shield, they observed a rapid release of fluoride in the first 7 hours and a slower release thereafter.

However, the data from this in vitro study provide the physician with knowledge of fluoride varnishes that release fluoride over a long period, so that the selection of varnish can be made based on the individual clinical presentation of the patient and the preferences of the provider. Some of the main advantages of fluoride varnishes are ease of application, fast hardening, extended contact time, slow release of fluoride, the lower amount needed for the entire denture, rare complications and minimal risk of fluorosis. Fluoritop SR contains 50 mg of sodium fluoride per ml, which is equivalent to 22.6 mg of fluorine in slow-release form. The ability of fluoride to affect the demineralization-remineralization process depends on whether fluoride is available in the oral cavity at the right time and in the right concentration.

When you visit the Conway pediatric dentist with your child for fluoride treatment, the professional will check your child's teeth and administer fluoride therapy using a rinse, varnish, foam, or gel. Joblonowski and also by Castillo and Milgrom, who in their experimental study discovered that fluoride varnishes released fluoride for a long period of time, and the greatest amount was produced in the first three weeks.

Isaac White
Isaac White

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