| Summary: | Aim: To evaluate and compare the antibacterial efficacy of Melaleuca alternifolia (tea tree oil), Curcumalonga (turmeric), 2% chlorhexidine (CHX), and 5% sodium hypochlorite (NaOCl) against Enterococcus faecalis.
Materials and Methods: Agar plates were prepared using tryptone soya agar. Cultures of E. faecalis were grown in tryptone soya broth. Agar well diffusion method was performed and the plates were incubated at 37C for 24 h. The zones of inhibition were recorded. The readings were subjected to statistical analysis using analysis of variance (ANOVA) and Tukey′s post hoc test. P-value was considered significant at P < 0.05.
Results: Maximum antibacterial efficacy was exhibited by 2% CHX, followed by 5% NaOCl and C. longa with no statistically significant difference between them. It was followed by M. alternifolia (Tea tree oil). Ethanol and saline showed the least antibacterial action.
Conclusion: According to the results of this study, C. longa and M. alternifolia can be used as an alternative root canal irrigant, although long-term in vivo studies are warranted.
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