TY - JOUR ID - TI - The antibacterial effect of herbal alternative, green tea and Salvadora Persica (Siwak) extracts on Entercoccus faecalis AU - Abdulkareem J. Al-Azzawi عبد الكريم جاسم العزاوي PY - 2015 VL - 27 IS - 2 SP - 1 EP - 5 JO - Journal of baghdad college of dentistry مجلة كلية طب الاسنان بغداد SN - 18171869 23115270 AB - Background: Disinfection and shaping of the canal with a combination of chemical agents and endodonticinstruments play an important role in the success of endodontic therapy. Eliminating the microorganisms within thepulp space is a critical and important objective in treating a tooth with apical periodontitis. This study wasconducted to evaluate the antibacterial properties of herbal alternatives (Green tea and siwak extracts) as possibleirrigants during endodontic treatment compared with the conventional irrigation solutions.Materials and methods: Salvadora Persica (siwak) and Green Tea solutions were prepared.An agar diffusion test wasperformed on Mueller-Hinton agar using the well diffusion method. The tested solutions (5.25% NaOCl, 2%Chlorhexidine gluconate, 5% Siwak extract and 5% Green tea extract)were used to fill the wells that were made inthe agar media respectively.Plates were left to incubate for 24 hr. at 37°C. Zones of inhibition of the bacterial growthwere calculated to measure the antibacterial effect of the tested irrigants.Results: Sodium hypochlorite had the highest mean value (29.88) followed by Chlorhexidine which had a mean valueof (26.13), Siwak with mean value of (11.25) and Green tea being the least with mean value of (8.88). ANOVA testshowed a highly statistical difference with a P-value of (0.000).Conclusions: NaOCl still the superior irrigant than other irrigants. Herbal alternatives (Siwak and Green tea) can beused as possible irrigants solution to disinfect the root canal system from Enterococcus faecalis during endodontictreatments.

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