Antibacterial and Antibiofilm Efficacy of Antimicrobial Photodynamic Therapy Against Intracanal Enterococcus faecalis: An In Vitro Comparative Study with Traditional Endodontic Irrigation Solutions

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POURHAJIBAGHER MARYAM; CHINIFORUSH NASIM; SHAHABI SIMA; Palizvani Morteza; BAHADOR ABBAS

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Journal: Frontiers in Dentistry Year:2018 | Volume:15 | Issue:4 Page(s): 197-204

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Title

Antibacterial and Antibiofilm Efficacy of Antimicrobial Photodynamic Therapy Against Intracanal Enterococcus faecalis: An In Vitro Comparative Study with Traditional Endodontic Irrigation Solutions

Author(s)

Keywords

Photochemotherapy

Biofilms

Curcumin

Enterococcus faecalis

Indocyanine Green

Therapeutic irrigation

Abstract

Objectives: Enterococcus faecalis (E. faecalis), an infecting microorganism of the root canals, is difficult to eliminate during endodontic therapy. In this study, the effect of root canal disinfection with sodium hypochlorite (NaOCl) and chlorhexidine (CHX) was evaluated on planktonic and biofilm forms of E. faecalis in comparison with antimicrobial photodynamic therapy (aPDT) as an alternative strategy for root canal disinfection. Materials and Methods: In this study, E. faecalis (ATCC 29212) was used. The experimental procedures included aPDT with Curcumin (CUR) and Indocyanine Green (ICG) as photosensitizers, irrigation with 5. 25% NaOCl, 0. 2% and 2. 0% CHX solutions as traditional endodontic irrigating solutions, and the control group. The antibacterial and anti-biofilm potentials were assessed by counting the colony forming units and also using the crystal violet assay, respectively. Results: According to the results, E. faecalis biofilm was disrupted by 65. 3%, 81. 0% and 92. 6% using 0. 2% CHX, 2. 0% CHX, and 5. 25% NaOCl, respectively (P<0. 05). In addition, CUR-and ICG-mediated aPDT displayed a significant reduction in E. faecalis count (90. 2% and 82. 5%, respectively) and its biofilm (83. 6% and 75. 2%, respectively) in comparison to the control group (P<0. 05). Conclusions: APDT has a high potential for elimination of E. faecalis and is almost equivalent to NaOCl and CHX. It can be used as an adjucnt to conventional endodontic irrigating solutions.

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APA: Copy

POURHAJIBAGHER, MARYAM, CHINIFORUSH, NASIM, SHAHABI, SIMA, Palizvani, Morteza, & BAHADOR, ABBAS. (2018). Antibacterial and Antibiofilm Efficacy of Antimicrobial Photodynamic Therapy Against Intracanal Enterococcus faecalis: An In Vitro Comparative Study with Traditional Endodontic Irrigation Solutions. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), 15(4), 197-204. SID. https://sid.ir/paper/298156/en

Vancouver: Copy

POURHAJIBAGHER MARYAM, CHINIFORUSH NASIM, SHAHABI SIMA, Palizvani Morteza, BAHADOR ABBAS. Antibacterial and Antibiofilm Efficacy of Antimicrobial Photodynamic Therapy Against Intracanal Enterococcus faecalis: An In Vitro Comparative Study with Traditional Endodontic Irrigation Solutions. FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2018;15(4):197-204. Available from: https://sid.ir/paper/298156/en

IEEE: Copy

MARYAM POURHAJIBAGHER, NASIM CHINIFORUSH, SIMA SHAHABI, Morteza Palizvani, and ABBAS BAHADOR, “Antibacterial and Antibiofilm Efficacy of Antimicrobial Photodynamic Therapy Against Intracanal Enterococcus faecalis: An In Vitro Comparative Study with Traditional Endodontic Irrigation Solutions,” FRONTIERS IN DENTISTRY (JOURNAL OF DENTISTRY OF TEHRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 15, no. 4, pp. 197–204, 2018, [Online]. Available: https://sid.ir/paper/298156/en

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