The effect of fluoride varnish on root carious lesions in older adults with non-communicable diseases.
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Abstract
The purpose of this quasi-experimental research was to determine the effect of fluoride varnish in arresting root carious lesions in 203 functionally-independent older adults with non-communicable diseases which randomly into 3 groups. The control group received professional tooth cleaning with non-fluoride-containing paste every 3 months. The 2 study groups were applied with fluoride varnish at baseline and repeatedly every 3 and 6 months. All subjects were practiced tooth brushing with fluoride toothpaste at baseline, 6th, 12th, 18th, 24th and 30th month. The numbers of primary root carious lesions or leathery, softened, arrested and filled root surfaces were clinically recorded and analyzed with Chi-square and Kruskal Wallis test. At 6th month, the number of root caries-arrested surfaces in the groups applied fluoride every 3 and 6 months were rapidly increased 36.5% and 52.8% respectively which had significant difference with 15.4% increasing of the control group. This difference was found at every root-examination throughout the study at 30th month. Fluoride varnish could arrest active root caries at 6th month after varnish application and continued until 30th month. Therefore, dental personnel should be advocated to provide every 6 month-application which the result was not different with every 3 month-application.
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