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Antimicrobial activity and efficacy on ProTaper™ and Lexicon™, which were both spun cast on Si substrates and molded. A quantity of 25 nm polyisoprene (PI) coated Si substrate was used as control. The Enterococcus faecalis concentration applied to the surfaces was 1E7 per mL. The figure represents the number of colony forming units recovered from the scaffolds after 24 h of exposure. The results differ from control at a statistical level of p > 0.05 (*) and p < 0.05 (**).
