Antimicrobial effects of various endodontic irrigants on selected microorganisms

被引:72
作者
Ayhan, H [1 ]
Sultan, N [1 ]
Çirak, M [1 ]
Ruhi, MZ [1 ]
Bodur, H [1 ]
机构
[1] Gazi Univ, Fac Dent, Dept Pedodont, Emek 06510, Turkey
关键词
endodontic irrigants; microorganisms; root canal irrigation;
D O I
10.1046/j.1365-2591.1999.00196.x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Aim This study was undertaken to determine the antimicrobial effect of various endodontic irrigants against six selected microorganisms. Methodology Staphylococcus aureus, Enterococcus faecalis, Streptococcus salivarius, Str. pyogenes, Escherichia coli and Candida albicans were included in the study. Pre-sterilized Whatman paper discs, 6 mm in diameter and soaked with the test solution, were prepared and placed onto the previously seeded agar Petri plates. Each plate was incubated aerobically. A zone of inhibition was recorded for each plate and the results were analysed statistically. Results 5.25% NaOCl was effective against all test microorganisms with a substantial zone of inhibition. Saline was always ineffective. Decreased concentration of NaOCl significantly reduced its antimicrobial effect. Cresophene showed a significantly larger (P < 0.05) average zone of inhibition compared to the other experimental irrigants. Alcohol had smaller but not significantly different zones of inhibition than chlorhexidine. Conclusions 5.25% NaOCl was superior in its antimicrobial abilities compared with other irrigants used. A reduced concentration of NaOCl (0.5%) resulted in significantly decreased antimicrobial effects. When compared with 21% alcohol, 0.5% NaOCl and 2% chlorhexidine, paramonochlorophenol (cresophene) showed a greater antimicrobial effect.
引用
收藏
页码:99 / 102
页数:4
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