Antibacterial and anti-biofilm activity of mouthrinses containing cetylpyridinium chloride and sodium fluoride.

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  • Additional Information
    • Source:
      Publisher: BioMed Central Country of Publication: England NLM ID: 100966981 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2180 (Electronic) Linking ISSN: 14712180 NLM ISO Abbreviation: BMC Microbiol Subsets: MEDLINE
    • Publication Information:
      Original Publication: London : BioMed Central, [2001-
    • Subject Terms:
      Anti-Infective Agents, Local/*pharmacology ; Biofilms/*drug effects ; Cetylpyridinium/*pharmacology ; Microbial Viability/*drug effects ; Mouthwashes/*pharmacology ; Sodium Fluoride/*pharmacology; Adult ; Female ; Humans ; Male ; Treatment Outcome ; Young Adult
    • Abstract:
      Background: Cetylpyridinium chloride (CPC) and sodium fluoride augment oral hygiene by inactivating bacteria and inhibiting enamel demineralisation, respectively. However, there are few reports in the literature documenting the antibacterial efficacy of their combined use in mouthrinses. We have used six experimental systems to compare the antibacterial effects of mouthrinses containing 0.075% CPC (test rinse, TR) or 0.075% CPC with sodium fluoride (test fluoride rinse, TFR).
      Results: Effects against planktonic bacteria were determined using viable counting (for Streptococcus mutans and salivary bacteria), a redox dye (for Actinomyces viscosus and salivary bacteria) and viable counting (for ex vivo oral rinses). Effects against saliva-derived biofilms were quantified using confocal microscopy and differential viable counting. Inhibition of biofilm formation was evaluated by pre-treating hydroxyapatite coupons with mouthrinses prior to inoculation. Otherwise-identical controls without CPC (control rinse and control fluoride rinse, CR and CFR, respectively), were included throughout. Compared to the controls, TFR and TR demonstrated significant antimicrobial effects in the redox assays, by viable counts (>3 log reductions) and in oral rinse samples (>1.25 log reductions, p < 0.05). TFR and TR also significantly reduced the viability of oral biofilms. Pre-treatment of hydroxyapatite with TFR and TR significantly inhibited biofilm formation (>3 log difference, p < 0.05). Overall, there were no consistent differences in the activities of TR and TFR.
      Conclusions: Sodium fluoride did not influence the antibacterial and anti-biofilm potency of CPC-containing formulations, supporting the combined use of CPC and sodium fluoride in mouthrinses to control oral bacteria and protect tooth enamel.
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    • Accession Number:
      0 (Anti-Infective Agents, Local)
      0 (Mouthwashes)
      8ZYQ1474W7 (Sodium Fluoride)
      CUB7JI0JV3 (Cetylpyridinium)
    • Publication Date:
      Date Created: 20150822 Date Completed: 20160321 Latest Revision: 20181113
    • Publication Date:
      20240829
    • Accession Number:
      PMC4546200
    • Accession Number:
      10.1186/s12866-015-0501-x
    • Accession Number:
      26293609