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Iranian Endodontic Journal، جلد ۱۱، شماره ۴، صفحات ۳۱۵-۳۱۹
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عنوان انگلیسی Antibacterial Efficacy of Different Concentrations of Sodium Hypochlorite Gel and Solution on Enterococcus faecalis Biofilm
چکیده انگلیسی مقاله Introduction: This in vitro study compared the antibacterial efficacy of 2.5% sodium hypochlorite gel and 2.5% and 5.25% sodium hypochlorite solutions on Enterococcus faecalis ( E. faecalis ) biofilm. Methods and Materials: The root canals of 60 extracted human single-rooted teeth were contaminated with E. faecalis and incubated for 6 weeks. The samples were randomly assigned to three experimental groups and one control group ( n =15). The study protocol in the experimental groups consisted of injection of 5 mL of each irrigant into the root canals. Samples were collected from the root canal walls and 1:10 serial dilutions were prepared and added to Muller Hinton Agar (MHA) plates and incubated at 37 ° C for 48 h. A classic colony counting technique was used for determining vital E. faecalis bacterial counts in MHA plates. The Kruskal-Wallis test was used for statistical analysis of the data. The level of significance was set at 0.05. Results: The antibacterial effect of the irrigants in all three experimental groups was significantly greater than the control group ( P < 0.05), with no significant difference between 2.5% and 5.25% NaOCl solutions ( P >0.05). The effect of 2.5% and 5.25% NaOCl solutions were significantly superior to 2.5% NaOCl gel ( P < 0.05). Conclusion: Under the limitations of this study, 2.5% NaOCl gel was effective in reducing E. faecalis counts; however this effect was less than that of NaOCl solutions.
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نویسندگان مقاله وحید زند | vahid zand


مهرداد لطفی | mehrdad lotfi


محمد حسین سروش | mohammad hosein soroush


امیر اردلان عبداللهی | amir ardalan abdollahi


مهدی صادقی | mehdi sadeghi


علی مجددی | ali mojaddadi


نشانی اینترنتی http://journals.sbmu.ac.ir/iej/article/view/11881
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Article
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