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Effectivity of homecare and professional biofilm removal procedures on initial supragingival biofilm on laser-microtextured implant surfaces in an ex vivo model

Authors
  • John, Gordon1
  • Schwarz, Frank2
  • Kravchenko, Alexandra3
  • Ommerborn, Michelle Alicia3
  • Becker, Jürgen1
  • 1 Heinrich Heine University Düsseldorf, Moorenstr. 5, Düsseldorf, D-40225, Germany , Düsseldorf (Germany)
  • 2 Goethe University, Frankfurt, Germany , Frankfurt (Germany)
  • 3 Heinrich Heine University, Düsseldorf, Germany , Düsseldorf (Germany)
Type
Published Article
Journal
International Journal of Implant Dentistry
Publisher
Springer Berlin Heidelberg
Publication Date
May 21, 2021
Volume
7
Issue
1
Identifiers
DOI: 10.1186/s40729-021-00326-x
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundThe aim of the current study was the evaluation of initial biofilm adhesion and development on laser-microtextured implant collar surfaces and the examination of effectivity of different biofilm management methods.MethodsInitial biofilm formation was investigated on hydrophobic machined and laser-microtextured (Laser-Lok) titanium surfaces and hydrophobic machined and laser-microtextured (Laser-Lok) titanium aluminium vanadium surfaces and compared to hydrophobic smooth pickled titanium surfaces, hydrophilic smooth and acid etched titanium surfaces, hydrophobic sandblasted large grid and acid etched titanium surfaces (titanium Promote) via erythrosine staining and subsequent histomorphometrical analysis and scanning electron microscopic investigations. After decontamination procedures, performed via tooth brushing and glycine powder blasting, clean implant surface was detected via histomorphometrical analysis.ResultsAfter 24 h mean initial plaque area was detected in the following descending order: smooth pickled titanium > titanium Promote > hydrophilic smooth and acid etched titanium > Laser-Lok titanium > Laser-Lok titanium aluminium vanadium. The same order was determined after 48 h of biofilm formation. After glycine powder blasting all samples depicted almost 100% clean implant surface. After tooth brushing, Laser-Lok titanium (67.19%) and Laser-Lok titanium aluminium vanadium (69.80%) showed significantly more clean implant surface than the other structured surfaces, hydrophilic smooth and acid etched titanium (50.34%) and titanium Promote (33.89%). Smooth pickled titanium showed almost complete clean implant surface (98.84%) after tooth brushing.ConclusionsBoth Laser-Lok surfaces showed less initial biofilm formation after 24 and 48 h than the other implant surfaces. In combination with the significant higher clean implant surfaces after domestic decontamination procedure via tooth brushing, both Laser-Lok surfaces could be a candidate for modified implant and abutment designs, especially in transmucosal areas.

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