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  • Title: Lactam inhibiting Streptococcus mutans growth on titanium.
    Author: Xavier JG, Geremias TC, Montero JFD, Vahey BR, Benfatti CAM, Souza JCM, Magini RS, Pimenta AL.
    Journal: Mater Sci Eng C Mater Biol Appl; 2016 Nov 01; 68():837-841. PubMed ID: 27524086.
    Abstract:
    The aim of this work was to analyze the activity of novel synthetic lactams on preventing biofilm formation on titanium surfaces. Titanium (Ti6Al4V) samples were exposed to Streptococcus mutans cultures in the presence or absence of a synthetic lactam. After 48h incubation, planktonic growth was determined by spectrophotometry. Biofilm was evaluated by crystal violet staining and colony forming units (CFU·ml(-)(1)), followed by scanning electron microscopy (SEM). Results showed that the average of adhered viable cells was approximately 1.5×10(2)CFU/ml in the presence of lactam and 4×10(2)CFU/ml in its absence. This novel compound was considerable active in reducing biofilm formation over titanium surfaces, indicating its potential for the development of antimicrobial drugs targeting the inhibition of the initial stages of bacterial biofilms on dental implants abutments.
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