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Not all fluoride agents and treatments are equal, however.
Ernest, newbrun,.M.D.,.
To avoid etching of porcelain crowns and facings, neutral NaF is indicated in preference to APF gels for patients who have such restorations and are applying the gel daily.
The rationale for these recommendations is discussed and important deficiencies in our knowledge that require further research on topical fluoride therapy in populations with specific needs are identified.If the noncavitated carious lesion involves a pit or fissure, the application of an occlusal sealant would be the most appropriate preventive therapy.For noncavitated smooth surface carious lesions in a moderate caries-risk patient, the appropriate fluoride regimen would be semiannual professional topical application of a fluoride varnish containing 5 percent NaF (22,600 ppm of fluoride).In addition, the patient should use twice or thrice daily for at least 1 minute a fluoridated dentifrice as described above for treatment of noncavitated carious lesions.Different fluoride compounds, different vehicles, and vastly different concentrations of fluoride are used, with different frequencies and durations of application.The efficacy of topical fluoride in caries prevention depends on (a) the concentration of fluoride used, (b) the frequency and the duration of application, and, to a certain extent, (c) the specific fluoride compound used.Factors besides efficacy, such as practicality, cost, and expected compliance influence the clinicians choice of preventive therapy.In addition, the patient should use twice or thrice daily for at least 1 minute a fluoridated dentifrice containing NaF, MFP, or SnF2 (1,0001,500 ppm of fluoride and once daily for 1 minute a fluoride mouthrinse containing.05 percent NaF (230 ppm of fluoride).For those who cannot tolerate tray delivery because of gagging or nausea, a daily.05 percent NaF rinse (230 ppm of fluoride) for 1 minute is a less effective alternative.For office fluoride therapy at the initial visit, a high-concentration agent, either test probatoire école du louvre an APF gel with.23 percent F (12,300 ppm of fluoride) for 4 minutes in a tray or a 5 percent NaF varnish (22,600 ppm of fluoride) should be applied directly to the.The management of the high caries-risk patient requires the use of several preventive interventions and behavioral modification, in addition to the use of topical fluorides.Toothbrushing should be done under parental supervision.The more concentrated the fluoride and the greater the frequency of application, the greater the caries reduction.These variables can influence the clinical outcome with respect to caries prevention and management.A review of the evidence-based literature indicates that there is incomplete evidence for the efficacy of most measures currently used for caries prevention, with the exception of fluoride varnishes and the use of fluoride-based interventions in the management of patients with hyposalivation.Self-applied fluoride therapy should consist of the daily 5-minute application.1 percent NaF or APF gel (5,000 ppm of fluoride) in a custom-fitted tray.
To avoid unintentional ingestion and the risk of fluorosis in children under 6 years of age, fluoride rinses and gels should not be used at home.

For adults and for children over 6 years of age, both office and self-applied topical fluoride treatments are recommended.
Furthermore, when using a fluoride dentifrice, children in that age group should apply only a pea-size portion on the brush, should be instructed not to eat or swallow the paste, and should expectorate thoroughly after brushing.
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