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Year : 2016  |  Volume : 6  |  Issue : 1  |  Page : 43

Antimicrobial efficacy of herbal irrigants

1 Department of Conservative Dentistry and Endodontics, Manipal University, Manipal, Karnataka, India
2 Department of Periodontics, Manipal College of Dental Sciences, Manipal University, Manipal, Karnataka, India

Date of Web Publication16-Dec-2015

Correspondence Address:
Vasudev Ballal
Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences, Manipal University, Manipal - 576 104, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1658-5984.172002

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How to cite this article:
Ballal V, Varghese J. Antimicrobial efficacy of herbal irrigants. Saudi Endod J 2016;6:43

How to cite this URL:
Ballal V, Varghese J. Antimicrobial efficacy of herbal irrigants. Saudi Endod J [serial online] 2016 [cited 2020 Feb 27];6:43. Available from: http://www.saudiendodj.com/text.asp?2016/6/1/43/172002


I read with great interest, the article entitled “Antibacterial efficacy of Melaleuca alternifolia (Tea tree oil), Curcuma longa (Turmeric), 2% chlorhexidine, and 5% sodium hypochlorite against Enterococcus faecalis: An in vitro study” by Sinha et al., which has been published in your esteemed journal (Saudi Endodontic Journal 2015;5(3);182–186). It was a relevant study, evaluating the antibacterial effect of tea tree oil and turmeric on E. faecalis. I want to share few of my thoughts regarding this article. First, even though the agar diffusion test is generally an accepted method to test the antimicrobial activity of endodontic medicaments and irrigating solutions, some factors such as the pH of the substrate, incubation period, toxicity, sensitivity, and diffusion capacity of the drug may have an impact on the antimicrobial activity of the test materials in the plates. Hence, a more clinically simulating method like cultivating E. faecalis inside the root canal system of human extracted teeth and then evaluating for the antibacterial activity of test irrigants by collecting the infected dentinal shavings could have been employed.[1] Second, since E. faecalis can form biofilms [2] and is known to penetrate deeply into the dentinal tubules making its complete elimination difficult,[3] a biofilm model using human extracted teeth could have been employed.[4] Hence, authors can perform further similar studies using the above-mentioned parameters for the better appreciation of the results.

  References Top

Rios A, He J, Glickman GN, Spears R, Schneiderman ED, Honeyman AL. Evaluation of photodynamic therapy using a light-emitting diode lamp against Enterococcus faecalis in extracted human teeth. J Endod 2011;37:856-9.  Back to cited text no. 1
George S, Kishen A, Song KP. The role of environmental changes on monospecies biofilm formation on root canal wall by Enterococcus faecalis. J Endod 2005;31:867-72.  Back to cited text no. 2
Chivatxaranukul P, Dashper SG, Messer HH. Dentinal tubule invasion and adherence by Enterococcus faecalis. Int Endod J 2008;41:873-82.  Back to cited text no. 3
Kishen A, Haapasalo M. Biofilm models and methods of biofilm assessment. Endod Topics 2010;22:58-78.  Back to cited text no. 4


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