In Vitro Evaluation of Antibacterial Effect of Myrtus Extract with Different Concentrations on Some Oral Bacteria

Houshmand, Behzad and Mortazavi, Hamed and Alikhani, Yousef and Abdolsamadi, HamidReza and AhmadiMotemayel, Fatemeh and ZareMahmoudabadi, Reza (2011) In Vitro Evaluation of Antibacterial Effect of Myrtus Extract with Different Concentrations on Some Oral Bacteria. Journal of Mashhad Dental School, 35 (2). pp. 123-130.

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Abstract

Introduction: Microorganisms are the main etiologic factors of periodontal diseases and dental caries. Recently, the use of herbal medications has been considered as an alternative method in elimination of oral microbial agents. Therefore, the aim of this study was to determine the antibacterial effects of Myrtus extract on some common oral bacteria. Materials & Methods: This experimental trial study was performed on nine strains of some oral bacteria. Each strain was cultured in blood agar and Muler-Hintone media. Paper disks 6mm in diameter containing different concentrations of Myrtus extract were placed on the selected media and then inhibition zone (IZ) was measured after 24 hours. Data analysis was carried out using ANOVA and Tukey HSD test. Results: The results of this study showed that, there were no statistically significant differences in IZ between S.Salivarius and S. epidermis in different Myrtus concentrations. The widest IZ was presented in concentration of 2.5 for S.Sanguis, S.Mutans and diphteroid and in concentration of 1 for lactobacillus and in concentration of 1 and 2.5 for S.aureus and finally, in concentration of 2.5 for P.aeruginosa. The narrowest IZ was presented in concentration of 5 for Lactobacillus. The highest sensitivity to Myrtus extract was observed in concentration of 2.5 and the lowest sensitivity in concentrations of 0.5 and 5. Conclusion: Myrtus extract had different effects in different concentrations and on different bacteria in this study. The widest IZ (16 milimeter) was presented in concentration of 2.5 for P. aeruginosa and the narrowest IZ (6mm) was presented in concentration of 5 for Lactobacillus.

Item Type: Article
Subjects: WU Dentistry. Oral surgery
Divisions: Journals > Journal of Mashhad Dental School
Depositing User: jmds jmds
Date Deposited: 23 Sep 2017 14:02
Last Modified: 23 Sep 2017 14:02
URI: http://eprints.mums.ac.ir/id/eprint/2692

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