Assessment of antimicrobial effect of Biosilicate® against anaerobic, microaerophilic and facultative anaerobic microorganisms
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This study assessed the antimicrobial activity of a new bioactive glass–ceramic (Biosilicate®) against anaerobic, microaerophilic, and facultative anaerobic microorganisms. Evaluation of the antimicrobial activity was carried out by three methods, namely agar diffusion, direct contact, and minimal inhibitory concentration (MIC). For the agar diffusion technique, bio glass–ceramic activity was observed against various microorganisms, with inhibition haloes ranging from 9.0 ± 1.0 to 22.3 ± 2.1 mm. For the direct contact technique, Biosilicate® displayed activity against all the microorganisms, except for S. aureus. In the first 10 min of contact between the microorganisms and Biosilicate®, there was a drastic reduction in the number of viable cells. Confirming the latter results, MIC showed that the Biosilicate® inhibited the growth of microorganisms, with variations between ≤ 2.5 and 20 mg/ml. The lowest MIC values (7.5 to ≤ 2.5 mg/ml) were obtained for oral microorganisms. In conclusion, Biosilicate® exhibits a wide spectrum of antimicrobial properties, including anaerobic bacteria.
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- Assessment of antimicrobial effect of Biosilicate® against anaerobic, microaerophilic and facultative anaerobic microorganisms
Journal of Materials Science: Materials in Medicine
Volume 22, Issue 6 , pp 1439-1446
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- 1. Laboratory of Research in Applied Microbiology, University of Franca, Franca, SP, 14404-600, Brazil
- 2. Vitreous Materials Laboratory, Department of Materials Engineering, Federal University of São Carlos, São Carlos, SP, 13565-905, Brazil
- 3. Department of Dental Materials and Prosthodontics, Faculty of Dentistry at Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, 14040-904, Brazil