Effect of liquid-polish coating on in vivo biofilm accumulation on provisional restorations: Part 1

Michael Perez Davidi, Nurit Beyth, Nir Sterer, Osnot Feuerstein, Ervin I. Weiss

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: Biofilm accumulation on provisional restorations may affect the surrounding tissues' integrity. The purpose of this study was to test in vivo biofilm formation on polymethyl methacrylate (PMMA) self-cured acrylic resin provisional crowns. Method and Materials: Three types of PMMA surfaces were tested: (1) polished, (2) polished and coated with bonding agent, and (3) polished and coated with light-cured liquid polish. After 12 hours in the oral cavity, the crown was removed and examined by confocal laser scanning microscope (CLSM) and scanning electron microscope (SEM). Results: Biofilm, 250 μm thick, was observed with CLSM on the polished acrylic surface. Significantly less bacterial accumulation was observed on the crowns coated with bonding agent, whereas no biofilm was observed on the crowns coated with liquid polish (P < .001). SEM examination confirmed these findings. Conclusions: Bonding resin or liquid polish coatings significantly reduce early biofilm formation, which in turn might affect the overall plaque accumulation on provisional restorations.

Original languageEnglish
Pages (from-to)591-596
Number of pages6
JournalQuintessence International
Volume38
Issue number7
StatePublished - Jul 2007
Externally publishedYes

Keywords

  • Biofilm adhesion
  • Bonding resin
  • Liquid polish
  • Polymethyl methacrylate
  • Provisional crown

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