Ação antibacteriana e potencial cariostático de sistemas adesivos autocondicionantes

AUTOR(ES)
DATA DE PUBLICAÇÃO

2010

RESUMO

This study evaluated in vitro the antibacterial activity and in situ the cariostatic effect of self-etching adhesives system. In a logical sequence, three scientific articles were developed. The first was a literature review about the use of selfetching adhesives systems in the prevention of dental caries. The second evaluated the inhibition zone 9 self-etching adhesives (Clearfil S3, One-Up Bond Futurabond, GBondi, Xeno IV, Clearfil SE Bond, Clearfil Protect Bond, Adper SE Plus and AdheSE) against the oral bacteria Streptococcus oralis, Streptococcus sanguinis, Streptococcus cricetus, Streptocccus mutans and Streptococcus sobrinus and in the third article, human enamel blocks of 4X4X3 mm were prepared with cavities (1.6 mm ı) and were restored using 4 self-etching adhesives systems (Clearfil SE Bond, Clearfil Protect Bond, Adper SE Plus and One-Up Bond) and a conventional glass ionomer (Ketac-Fil). They were submitted to cariogenic challenge in situ. The studies in the literature describe the in vitro effectiveness of self-etching adhesive systems with antibacterial monomers, which was confirmed in the second study, which the antibacterial monomer was similar or superior to chlorhexidine against the Streptococci, but the other adhesive systems also showed bacterial inhibition possibly caused by the low pH of the monomers. However, the adhesive systems evaluated in situ showed no cariostatic effect, even containing fluoride or the antibacterial monomer. It can be concluded that the action of antimicrobial monomer, fluoride or low pH that provide antibacterial action in vitro clinically are not able to prevent the development of caries lesions

ASSUNTO(S)

odontologia cimento de ionômero de vidro fluoretos dental enamel microdureza fluoride sistemas adesivos autocondicionante bacteria microhardness dental caries adhesives systems cárie dental self-etching bactéria glass-ionomer cement compósitos resinosos resin composite esmalte dental

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