The aim of this study was to compare the antimicrobial activity of 5.25% NaOCl, Hypoclean and Chlor-Xtra at 20 °C and 45 °C in bovine root dentin. One-hundred-and-seventy dentin tubes prepared from bovine maxillary incisors were infected for 21 days with Enterococcus faecalis. The specimens were divided into the following groups: 1. 5.25% NaOCl 20 °C; 2. Hypoclean 20 °C; 3. Chlor-Xtra 20 °C; 4. 5.25% % NaOCl 45 °C; 5. Hypoclean 45 °C; 6. Chlor-Xtra 45 °C; 7. positive control; 8. negative control. Dentin chips were collected with round burs into Brain Heart Infusion (BHI) broth. After culturing, the number of colony- forming units (CFU) was counted. Statistical analyses were performed using descriptive statistics (mean, standard deviation, median), Shapiro-Wilk test, ANOVA and Tukey test. Significance level was set at p<0.05. In all experimental groups, CFU was minimum after treatment (day 0) and the obtained results were significantly different from each other at any period (p<0.05). After treatment, the Hypoclean and Chlor-Xtra showed the lowest numbers of CFU at 20 °C and 45 °C, whereas 5.25% NaOCl showed the highest number of CFU at both temperatures. In each group, the number of CFUs increased significantly with time (p<0.05). The antibacterial activity of Hypoclean and Chlor-Xtra at 45 °C were significantly greater than other tested solutions.
Influence of Temperature on the Antibacterial Activity of Sodium Hypochlorite / Giardino, Luciano; Mohammadi, Zahed; Beltrami, Riccardo; Poggio, Claudio; Estrela, Carlos; Generali, Luigi. - In: BRAZILIAN DENTAL JOURNAL. - ISSN 0103-6440. - STAMPA. - 27(2016), pp. 32-36. [10.1590/0103-6440201600627]
Data di pubblicazione: | 2016 | |
Titolo: | Influence of Temperature on the Antibacterial Activity of Sodium Hypochlorite | |
Autore/i: | Giardino, Luciano; Mohammadi, Zahed; Beltrami, Riccardo; Poggio, Claudio; Estrela, Carlos; Generali, Luigi | |
Autore/i UNIMORE: | ||
Digital Object Identifier (DOI): | http://dx.doi.org/10.1590/0103-6440201600627 | |
Rivista: | ||
Volume: | 27 | |
Pagina iniziale: | 32 | |
Pagina finale: | 36 | |
Codice identificativo Scopus: | 2-s2.0-84961644273 | |
Codice identificativo Pubmed: | 27007342 | |
Citazione: | Influence of Temperature on the Antibacterial Activity of Sodium Hypochlorite / Giardino, Luciano; Mohammadi, Zahed; Beltrami, Riccardo; Poggio, Claudio; Estrela, Carlos; Generali, Luigi. - In: BRAZILIAN DENTAL JOURNAL. - ISSN 0103-6440. - STAMPA. - 27(2016), pp. 32-36. [10.1590/0103-6440201600627] | |
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INFLUENCE OF TEMPERATURE ON ANTIBACTERIAL ACTIVITY OF SODIUM HYPOCHLORITE .pdf | Versione dell'editore (versione pubblicata) | Open Access Visualizza/Apri |
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