6 research outputs found

    O uso de vernizes fluoretados e a redução da incidĂȘncia de cĂĄrie dentĂĄria em prĂ©-escolares: uma revisĂŁo sistemĂĄtica Fluoride varnishes and decrease in caries incidence in preschool children: a systematic review

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    O objetivo desta revisĂŁo sistemĂĄtica foi verificar se existe evidĂȘncia conclusiva de que o verniz fluoretado reduz a incidĂȘncia de cĂĄrie dentĂĄria em prĂ©-escolares. Foram feitas buscas nas bases eletrĂŽnicas BBO, LILACS, MEDLINE e Cochrane para identificar ensaios clĂ­nicos controlados que avaliassem o desenvolvimento de lesĂ”es cavitadas de cĂĄrie em crianças com atĂ© seis anos de idade. Dois pesquisadores analisaram criticamente os trabalhos selecionados para inclusĂŁo. Foram encontrados 513 artigos e oito foram incluĂ­dos. Esses estudos apresentaram problemas quanto ao desenho e, alĂ©m disso, eram heterogĂȘneos quanto Ă  experiĂȘncia prĂ©via de cĂĄrie dos participantes, ao tipo de intervenção administrada ao grupo controle, Ă  exposição das crianças a outras fontes de fluoretos, e ao intervalo entre as aplicaçÔes de verniz. As diferenças absolutas entre as incidĂȘncias de cĂĄrie nos grupos controle e teste e as fraçÔes prevenidas variaram de 0,30 a 1,64 e de 5 a 63%, respectivamente. O verniz fluoretado parece ser efetivo para reduzir a incidĂȘncia de cĂĄrie dentĂĄria em prĂ©-escolares, mas outros ensaios clĂ­nicos de melhor qualidade metodolĂłgica sĂŁo necessĂĄrios para se obter evidĂȘncia conclusiva a esse respeito.<br>The objective of this systematic review was to evaluate whether there is conclusive evidence that the professional application of fluoride varnish decreases the incidence of dental caries in preschool children. We searched the BBO, LILACS, MEDLINE and Cochrane electronic databases to identify controlled clinical trials that evaluated the development of cavitated caries lesions in children up to six years of age. Two researchers performed a critical appraisal of the studies selected for inclusion. Five-hundred and thirteen articles were found, but only eight met our inclusion criteria. Most of these eight studies were of poor methodological quality. They were also heterogeneous in relation to participants' previous caries experience, type of intervention performed on the control group, children's exposure to other sources of fluoride, and varnish application interval. The absolute differences between caries incidences in the control and test groups ranged from 0.30 to 1.64 and the preventive fractions varied from 5% to 63%. Fluoride varnish may be effective to decrease the incidence of dental caries in preschoolers, but more randomized clinical trials with better methodological quality are necessary to provide conclusive evidence in this respect
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