A laboratory evaluation of the antibacterial and cytotoxic effect of Liquorice when used as root canal medicament

International Endodontic Journal
A E BadrFarid A Badria

Abstract

To evaluate the antibacterial and cytotoxic effects of Liquorice as a root canal medicament and to compare its action to the commonly used root canal medicament calcium hydroxide Ca(OH)(2). The antibacterial effect of Liquorice and Ca(OH)(2) either separately or in combination was investigated against Enterococcus faecalis. Agar-well diffusion methods, broth microdilution tests and biofilm susceptibility assays were used to determine the antibacterial activity. Human periodontal ligament fibroblast tissue culture was used to assess the cytotoxicity of the preparations under investigation. Liquorice extract either by itself or in combination with Ca(OH)(2) had a significant inhibitory effect against Enterococcus faecalis compared with that of Ca(OH)(2) alone. The use of Liquorice extract followed by Liquorice/Ca(OH)(2) mixture retained significantly more viable periodontal ligament cells than Ca(OH)(2) , which had a strong lethal effect on the cells. Liquorice extract either separately or as Liquorice/Ca(OH)(2) mixture had a potent bactericidal effect against Enterococcus faecalis and retained compatibility with fibroblasts in tissue culture compared to the commonly used root canal medicament Ca(OH)(2).

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Citations

Aug 21, 2013·Journal of Conservative Dentistry : JCD·Rajkumar BalakrishnanSanjeev Srivastava
Apr 2, 2014·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry· EerdunbayaerTsutomu Hatano
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Related Concepts

Antibiotics
Hemocompatible Materials
Calcium hydroxide
Fibroblasts
Po 12
Licorice
Fungus Drug Sensitivity Tests
Periodontal Ligament
Plant Extracts
Root Canal Irrigants

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