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Year : 2019  |  Volume : 11  |  Issue : 5  |  Page : 260-267

Antibacterial activity of Algerian chewing sticks extracts on oral denture biofilm

Laboratory of Applied Microbiology in Food, Biomedical and Environment (LAMAABE), Biology Department - Faculty of Nature and Life, Earth and Universe Sciences, Abou-Bekr Belkaid University of Tlemcen, Tlemcen, Algeria

Correspondence Address:
Ms. Wafae Didi
P. O. Box 119, 13000 Tlemcen.
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jioh.jioh_252_18

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Aims and Objectives: To evaluate potent antibiofilm activity of two Algerian chewing sticks, Salvadora persica and Juglans regia, on oral species adhered to elderly dentures. Materials and Methods: The antibacterial activity of the plant extracts and the effect on the biofilm formation were evaluated in vitro by the broth micro-dilution assay. The antibiofilm effect was tested in vitro on artificial oral biofilms, adhered to resin composite, and visualized by environmental scanning electron microscope. Results: Data revealed that bacteria of artificial biofilms were less sensitive than the planktonic strains. However, all tested bacteria, planktonic or biofilms, were more susceptible in the presence of extracts, with J. regia extract showing greater activity than S. persica. Conclusion: All tested oral bacteria, planktonic or biofilm, were more susceptible to J. regia and S. persica, respectively. Considering their antibacterial activity, these extracts may be of great interest for future studies about natural antiplaque agents in daily oral-care products, especially for elderly denture wearers.

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