Effect of caries preventive products on the growth of bacterial biofilm on titanium surface

Anette Stájer, E. Urbán, István Pelsoczi, Erzsébet Mihalik, Zoltán Rakonczay, K. Nagy, Kinga Turzó, Márta Radnai

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Fluorides may affect the oxide layer on titanium surface. Caries preventive mouthwashes or gels contain fluorides and are applied at low pH. The aim of the present work was to study whether various concentrations of fluoride at acidic pH cause changes in the surface structure on the polished region of Ti implants, and alter the adherence and colonization of bacteria. Commercially pure Ti grade 4 discs with a polished surface were treated with a mouthwash containing 0.025% fluoride, a gel containing 1.25% fluoride or a 1% aqueous solution of NaF (pH 4.5). The change of surface roughness of the samples and the colonization of Porphyromonas gingivalis strains were studied by scanning electron microscopy after 5 days of anaerobic incubation. The quantity of the bacterial protein was determined by protein assay analysis. Agents with high fluoride concentration at acidic pH increased the roughness of the Ti surface. A slight increase in the amount of bacteria was found on the surfaces treated with 1% NaF and gel in comparison with the control surface. This study suggested that a high fluoride concentration at acidic pH may hinder the development of a healthy transgingival epithelial junction on Ti implants, due to bacterial colonization.

Original languageEnglish
Pages (from-to)51-61
Number of pages11
JournalActa Microbiologica et Immunologica Hungarica
Volume59
Issue number1
DOIs
Publication statusPublished - Mar 1 2012

Fingerprint

Biofilms
Titanium
Fluorides
Growth
Mouthwashes
Gels
Bacteria
Porphyromonas gingivalis
Bacterial Proteins
Electron Scanning Microscopy
Oxides
Proteins

Keywords

  • biofilm
  • electron microscopy (SEM)
  • fluoride
  • Porphyromonas gingivalis
  • scanning
  • titanium implants

ASJC Scopus subject areas

  • Immunology and Microbiology(all)
  • Medicine(all)

Cite this

Effect of caries preventive products on the growth of bacterial biofilm on titanium surface. / Stájer, Anette; Urbán, E.; Pelsoczi, István; Mihalik, Erzsébet; Rakonczay, Zoltán; Nagy, K.; Turzó, Kinga; Radnai, Márta.

In: Acta Microbiologica et Immunologica Hungarica, Vol. 59, No. 1, 01.03.2012, p. 51-61.

Research output: Contribution to journalArticle

Stájer, Anette ; Urbán, E. ; Pelsoczi, István ; Mihalik, Erzsébet ; Rakonczay, Zoltán ; Nagy, K. ; Turzó, Kinga ; Radnai, Márta. / Effect of caries preventive products on the growth of bacterial biofilm on titanium surface. In: Acta Microbiologica et Immunologica Hungarica. 2012 ; Vol. 59, No. 1. pp. 51-61.
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