Propriedades antibacterianas de materiais forradores - revisão de literatura
Antibacterial properties of lining materials - a review
Sacramento, P.A.; Papa, A.M.C.; Carvalho, F.G.; Puppin-Rontani, R.M.
Resumo
Os materiais restauradores atuais não permitem um perfeito selamento marginal. Desta forma, microrganismos podem penetrar pela interface dente-restauração causando inflamação pulpar, sensibilidade e cárie secundária. Com o intuito de minimizar a presença de microrganismos, seja por bactérias remanescentes nas cavidades preparadas ou por microinfiltração, é importante que o material forrador de cavidade possua atividade antibacteriana. O objetivo dessa revisão de literatura foi discutir as propriedades e os mecanismos de ação antibacteriana de materiais forradores de cavidade comerciais, como o cimento de óxido de zinco e eugenol, hidróxido de cálcio, ionômero de vidro convencional e alguns sistemas de união, bem como materiais experimentais, como o cimento de ionômero de vidro modificado pela adição de clorexidina. Concluiu-se que os materiais abordados apresentaram resultados positivos no controle bacteriano, porém mais estudos clínicos longitudinais são necessários para determinar o tempo de ação destes materiais.
Palavras-chave
Abstract
The current restorative materials do not allow a perfect marginal sealing. Microorganisms can penetrate in the tooth/restoration gap causing pulp inflammation, postoperative sensitivity and secondary caries. In order to reduce the number of microorganisms, either for remaining bacteria in the cavities or for microleakage, it is important that liners materials have antibacterial activity. The objective of this literature review was to describe the antibacterial properties and mechanisms of commercially available lining materials, i.e. zinc and eugenol oxide cement, calcium hydroxide, conventional and resin modified glass-ionomer cements, and adhesive systems, experimental materials, and glass-ionomer modified by chlorhexidine addition (experimental material). All materials evaluated presented antibacterial effect, however, more longitudinal clinical studies are necessary to determine the duration of their antibacterial effect.
Keywords
Referências
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