Antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against Enterococcus faecalis and Parvimonas micra

Abstract Background The main goal of an endodontic treatment is a complete debridement of the root canal system; however, currently mechanical shaping and chemical cleaning procedures for this purpose have deemed non-satisfactory. Methods The efficacy of peracetic acid (PAA; 0.5, 1.0, 2.0%), as a ro...

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Main Authors: Benjamín Briseño-Marroquín, Angelika Callaway, Natascha Gol Shalamzari, Thomas Gerhard Wolf
Format: Article
Language:English
Published: BMC 2022-04-01
Series:BMC Oral Health
Subjects:
Online Access:https://doi.org/10.1186/s12903-022-02148-8
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author Benjamín Briseño-Marroquín
Angelika Callaway
Natascha Gol Shalamzari
Thomas Gerhard Wolf
author_facet Benjamín Briseño-Marroquín
Angelika Callaway
Natascha Gol Shalamzari
Thomas Gerhard Wolf
author_sort Benjamín Briseño-Marroquín
collection DOAJ
description Abstract Background The main goal of an endodontic treatment is a complete debridement of the root canal system; however, currently mechanical shaping and chemical cleaning procedures for this purpose have deemed non-satisfactory. Methods The efficacy of peracetic acid (PAA; 0.5, 1.0, 2.0%), as a root canal irrigation solution, against Enterococcus faecalis (DSM 20478) and Parvimonas micra (DSM 20468) when compared with the one of sodium hypochlorite (NaOCI; 1.0, 3.0, 5.0%), chlorhexidine digluconate (CHX; 0.12, 0.2, 2.0%) and 0.9% NaCI (as a control solution) was in vitro investigated with the agar diffusion and direct contact methods. The inhibition zone diameters observed with the agar diffusion test were determined. The viable bacterial counts (CFU/ml) were calculated with the direct method. Results The agar diffusion test showed that all three root canal irrigation solutions had an efficacy against E. faecalis at all concentrations. The largest inhibition zone diameters against E. faecalis were observed with 5.0% NaOCI. At all three concentrations of PAA, NaOCI, and CHX, the inhibition zone diameter increased with increase in concentration. For P. micra, PAA had a similar inhibition zone diameter despite a concentration increase. In contrast, for NaOCI and CHX, the inhibition zone diameter increased with increasing concentration. 2.0% CHX produced the largest inhibition zone diameter against P. micra. For E. faecalis, only the comparison between 2.0% PAA and 5.0% NaOCI showed statistical significance (p = 0.004). For P. micra the efficacy comparison between the lowest, middle, and highest concentrations of each solution, a statistical significance (p < 0.05) was found for all three solutions. After direct contact with PAA, NaOCI and CHX, no viable bacteria could be determined for either P. micra or E. faecalis. Conclusions PAA had a similar antibacterial efficacy as the one of NaOCl and CHX when in direct contact with E. faecalis and P. micra. In the agar diffusion test, PAA showed a similar antibacterial efficacy as the one of CHX and a lower one as the one of NaOCl for E. faecalis.
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spelling doaj.art-def3552245284e72b8d8cc01bce5ce732022-12-21T17:57:33ZengBMCBMC Oral Health1472-68312022-04-012211910.1186/s12903-022-02148-8Antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against Enterococcus faecalis and Parvimonas micraBenjamín Briseño-Marroquín0Angelika Callaway1Natascha Gol Shalamzari2Thomas Gerhard Wolf3Department of Restorative, Preventive and Pediatric Dentistry, School of Dental Medicine, University of BernDepartment of Periodontology and Operative Dentistry, University Medical Center of the Johannes Gutenberg-UniversityDepartment of Periodontology and Operative Dentistry, University Medical Center of the Johannes Gutenberg-UniversityDepartment of Restorative, Preventive and Pediatric Dentistry, School of Dental Medicine, University of BernAbstract Background The main goal of an endodontic treatment is a complete debridement of the root canal system; however, currently mechanical shaping and chemical cleaning procedures for this purpose have deemed non-satisfactory. Methods The efficacy of peracetic acid (PAA; 0.5, 1.0, 2.0%), as a root canal irrigation solution, against Enterococcus faecalis (DSM 20478) and Parvimonas micra (DSM 20468) when compared with the one of sodium hypochlorite (NaOCI; 1.0, 3.0, 5.0%), chlorhexidine digluconate (CHX; 0.12, 0.2, 2.0%) and 0.9% NaCI (as a control solution) was in vitro investigated with the agar diffusion and direct contact methods. The inhibition zone diameters observed with the agar diffusion test were determined. The viable bacterial counts (CFU/ml) were calculated with the direct method. Results The agar diffusion test showed that all three root canal irrigation solutions had an efficacy against E. faecalis at all concentrations. The largest inhibition zone diameters against E. faecalis were observed with 5.0% NaOCI. At all three concentrations of PAA, NaOCI, and CHX, the inhibition zone diameter increased with increase in concentration. For P. micra, PAA had a similar inhibition zone diameter despite a concentration increase. In contrast, for NaOCI and CHX, the inhibition zone diameter increased with increasing concentration. 2.0% CHX produced the largest inhibition zone diameter against P. micra. For E. faecalis, only the comparison between 2.0% PAA and 5.0% NaOCI showed statistical significance (p = 0.004). For P. micra the efficacy comparison between the lowest, middle, and highest concentrations of each solution, a statistical significance (p < 0.05) was found for all three solutions. After direct contact with PAA, NaOCI and CHX, no viable bacteria could be determined for either P. micra or E. faecalis. Conclusions PAA had a similar antibacterial efficacy as the one of NaOCl and CHX when in direct contact with E. faecalis and P. micra. In the agar diffusion test, PAA showed a similar antibacterial efficacy as the one of CHX and a lower one as the one of NaOCl for E. faecalis.https://doi.org/10.1186/s12903-022-02148-8Bactericidal effectE. faecalisP. micraPeracetic acid
spellingShingle Benjamín Briseño-Marroquín
Angelika Callaway
Natascha Gol Shalamzari
Thomas Gerhard Wolf
Antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against Enterococcus faecalis and Parvimonas micra
BMC Oral Health
Bactericidal effect
E. faecalis
P. micra
Peracetic acid
title Antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against Enterococcus faecalis and Parvimonas micra
title_full Antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against Enterococcus faecalis and Parvimonas micra
title_fullStr Antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against Enterococcus faecalis and Parvimonas micra
title_full_unstemmed Antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against Enterococcus faecalis and Parvimonas micra
title_short Antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against Enterococcus faecalis and Parvimonas micra
title_sort antibacterial efficacy of peracetic acid in comparison with sodium hypochlorite or chlorhexidine against enterococcus faecalis and parvimonas micra
topic Bactericidal effect
E. faecalis
P. micra
Peracetic acid
url https://doi.org/10.1186/s12903-022-02148-8
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AT nataschagolshalamzari antibacterialefficacyofperaceticacidincomparisonwithsodiumhypochloriteorchlorhexidineagainstenterococcusfaecalisandparvimonasmicra
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