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Antimicrobial Activity, Biocompatibility and Anti-inflammatory Properties of Cetylpyridinium Chloride-based Mouthwash Containing Sodium Fluoride and Xylitol: An In Vitro Study.

Abstract：

PURPOSE:The use of a mouthwash as an adjunct to mechanical plaque removal may be useful to improve oral hygiene. In this study, cetylpyridinium chloride (CPC)-based mouthwashes containing sodium fluoride and xylitol (X-PUR Opti-Rinse 0.05% NaF and X-PUR Opti-Rinse 0.2% NaF) were evaluated for their antimicrobial activity against important oral pathogens associated with dental caries, periodontal disease, and candidiasis. Moreover, their biocompatibility and anti-inflammatory properties were assessed.
Materials and Methods: Antimicrobial activity was determined using a disk-diffusion assay, a microplate dilution assay, and the European standard protocols for antiseptics. Microbicidal properties were assessed against both planktonic and biofilm cultures. An oral epithelial cell model was used to evaluate the biocompatibility of mouthwashes and their ability to attenuate cytokine secretion.
Results: Using three different antimicrobial assays, the CPC-based mouthwashes were found to be highly active against the tested microorganisms. More specifically, the mouthwashes met the European Standard NF EN 1040 and NF EN 1275 defined as a log10 reduction ≥ 5 (≥ 99.999% killing) for bacteria and log10 reduction ≥ 4 (≥ 99.99% killing) for fungi, respectively. The CPC-based mouthwashes were also bactericidal against biofilms of S. mutans, S. sobrinus, and P. gingivalis. Using an oral epithelial cell model, the CPC-based mouthwashes were found to be less cytotoxic than a chlorhexidine-containing mouthwash used as control. Lastly, the CPC-based mouthwashes decreased the secretion of interleukin-6 and interleukin-8 by lipopolysaccharide-stimulated oral epithelial cells.
Conclusion: The CPC-based mouthwashes supplemented with sodium fluoride (0.05% or 0.2%) and xylitol (10%) were highly active against important oral pathogens. Moreover, using an oral epithelial cell model, these mouthwashes were found to be biocompatible and to exhibit anti-inflammatory activity.

journal_name

Oral Health Prev Dent

journal_title

Oral health & preventive dentistry

authors

LeBel G,Vaillancourt K,Morin MP,Grenier D

doi

10.3290/j.ohpd.b871071

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

1069-1076

issue

eissn

1602-1622

issn

1757-9996

pii

871071

journal_volume

pub_type

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Antimicrobial Activity, Biocompatibility and Anti-inflammatory Properties of Cetylpyridinium Chloride-based Mouthwash Containing Sodium Fluoride and Xylitol: An In Vitro Study.