Journal of conservative dentistry and endodontics · 2026
Evaluation of antimicrobial efficacy of two commercially available probiotics against Enterococcus faecalis: An in vitro study.
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Kumar A Arvind, Santhoshi S, Beautlin J S, Manoj K T, Nagaraj N J, Kumar R S Mohan
Аннотация
CONTEXT: The antimicrobial activity of probiotics determined by colony-forming units when used against Enterococcus faecalis thereby can be used as an alternative intracanal medicament in root canal therapy.
AIM: To evaluate the two commercially available probiotics antibacterial effectiveness against E. faecalis in root canal treatment.
SETTINGS AND DESIGN: In vitro study.
SUBJECTS AND METHODS: Sixty-two extracted mandibular premolars were decoronated and instrumented up to ProTaper Gold F2 (Dentsply, USA) using 2.5% sodium hypochlorite irrigation followed by 17% ethylenediaminetetraacetic acid. Samples were autoclaved and inoculated with the test organism E. faecalis (American Type Culture Collection (ATCC) 29212) for 7 days, kept in a sealed container at 37°C. Sixty samples were divided into four groups (n = 15): Group 1 - Cyraflora (Saccharomyces boulardii), Group 2 - Econorm (Bacillus species), Group 3 - 2% chlorhexidine gel, and Group 4 - calcium hydroxide. Then, the respective intracanal medicaments were placed inside the root canal space and sealed with glass ionomer cement (GIC). After 7 days, coronal GIC was removed, irrigated, dried, and dentinal scrappings were taken by using H files, and bacterial counts were evaluated.
STATISTICAL ANALYSIS: One-way analysis of variance was used to examine the data, and the Wilcoxon signed-rank test was used for intergroup comparisons.
RESULTS: The findings demonstrated the efficacy of probiotics S. boulardii and Bacillus species against E. faecalis, with a decrease in colony-forming units following probiotic use.
CONCLUSION: As an alternate intracanal medication, probiotics can be utilized to effectively combat E. faecalis.
AIM: To evaluate the two commercially available probiotics antibacterial effectiveness against E. faecalis in root canal treatment.
SETTINGS AND DESIGN: In vitro study.
SUBJECTS AND METHODS: Sixty-two extracted mandibular premolars were decoronated and instrumented up to ProTaper Gold F2 (Dentsply, USA) using 2.5% sodium hypochlorite irrigation followed by 17% ethylenediaminetetraacetic acid. Samples were autoclaved and inoculated with the test organism E. faecalis (American Type Culture Collection (ATCC) 29212) for 7 days, kept in a sealed container at 37°C. Sixty samples were divided into four groups (n = 15): Group 1 - Cyraflora (Saccharomyces boulardii), Group 2 - Econorm (Bacillus species), Group 3 - 2% chlorhexidine gel, and Group 4 - calcium hydroxide. Then, the respective intracanal medicaments were placed inside the root canal space and sealed with glass ionomer cement (GIC). After 7 days, coronal GIC was removed, irrigated, dried, and dentinal scrappings were taken by using H files, and bacterial counts were evaluated.
STATISTICAL ANALYSIS: One-way analysis of variance was used to examine the data, and the Wilcoxon signed-rank test was used for intergroup comparisons.
RESULTS: The findings demonstrated the efficacy of probiotics S. boulardii and Bacillus species against E. faecalis, with a decrease in colony-forming units following probiotic use.
CONCLUSION: As an alternate intracanal medication, probiotics can be utilized to effectively combat E. faecalis.