Evaluation of the Antimicrobial Ability of Adhesive Systems
Introduction: The aim of this research was to evaluate the antimicrobial ability of adhesive systems and to study the relationship between acidity and the antimicrobial ability of conventional adhesive systems and self-etching adhesive systems and acid etching.
Methods: Two conventional adhesive systems were used, Adper™ Single Bond 2 and OptiBond™ S, along with two self-etching systems, Scotchbond™ Universal and OptiBond™ All-In-One systems, as well as two acid etching systems, etch-37™ and select hv™ etch w / bac. For this experiment, an agar diffusion test was performed using three bacteria, Streptococcus mutans, Lactobacillus casei and Actinomyces odontolyticus, to measure the inhibition zone of the substances studied. The pH of those substances was also evaluated.
Results: The acid etchings showed the highest inhibition zones against the three bacteria as well as lower pH values than those of the self-etching adhesive systems, followed by conventional adhesive systems, which showed the lower halos or demonstrated no antimicrobial ability against certain bacteria.
Conclusions: The acid etchings and self-etching adhesive systems were found to have greater antimicrobial activity than conventional adhesive systems against Streptococcus mutans, Lactobacillus casei and Actinomyces odontolyticus. It was also found that the more acidic the substances studied were, the greater their antimicrobial ability.
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