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Dental enamel around fixed orthodontic appliances after fluoride varnish application

DOI: 10.1590/S0103-64402007000100011

Keywords: orthodontics appliances, fluoride varnish, demineralization.

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Abstract:

poor oral hygiene has been considered one of the main problems routinely faced in the orthodontic treatment. orthodontic appliance creates an environment that provides mineral loss from the dental enamel. such condition is clinically seen as white spot lesions and cavitations in the most severe cases. the aim of this study was to evaluate the effects of a fluoride varnish application as a caries prevention method for clinical orthodontics. the experiment analyzed dental enamel adjacent to orthodontics accessories after treatment. in addition, it was observed the calcium, phosphorus and fluoride contents on enamel treated with a fluoride varnish. the results showed that fluoride varnish application is a simple and fast technique that could be useful in preventing enamel demineralization associated to orthodontic treatment. scanning electron microscopy revealed significant amount of calcium fluoride-like material deposited on enamel and energy dispersive x-ray analysis demonstrated a large incorporation of calcium and fluoride to the enamel of the treated specimens. it was concluded that fluoride varnish could indeed be considered an efficient preventive method to enhance enamel resistance against the cariogenic challenges during orthodontic therapy.

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