Fortnightly fluoride rinsing combined with topical painting of fluoride solutions containing Al-, Fe-, and Mn-ions.
The possibility of achieving a caries-reducing effect by a combination of fortnightly mouthrinsings with 0.2% NaF-solutions and topical painting with solutions containing Al-, Fe-, and Mn-ions was examined in a 4-year clinical study. In addition to the fluoride rinses one of two randomized groups was given three paintings per year with a 0.2% NaF-solution. The other group was painted three times per year with a potassium fluoride solution containing Al-, Fe-, and Mn-ions. This group developed significantly less caries during the study than the NaF-group. The results indicate that certain metal ions can enhance the caries-prophylactic action of the fluoride ions.
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