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[In-vitro plaque accumulation on different filling materials].

J Einwag1, A Ulrich, F Gehring

  • 1ZMK-Klinik, Universitat Würzburg.

Oral-Prophylaxe
|March 1, 1990
PubMed
Summary
This summary is machine-generated.

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Highly polished dental filling materials significantly reduce plaque accumulation compared to cements. Material-specific properties, not just surface roughness, influence bacterial adhesion and polysaccharide formation.

Area of Science:

  • Dental Materials Science
  • Microbiology
  • Biomaterials Engineering

Background:

  • Plaque accumulation on dental restorations is a significant factor in secondary caries and periodontal disease.
  • The surface characteristics of dental filling materials can influence bacterial adhesion and biofilm formation.
  • Understanding these influences is crucial for selecting materials that minimize plaque retention.

Purpose of the Study:

  • To comparatively investigate the influence of surface roughness and material-specific properties on plaque accumulation.
  • To evaluate plaque accumulation on various dental filling materials, including highly polishable composites and cements.
  • To assess potential antibacterial effects of selected dental materials.

Main Methods:

  • Six dental materials (Degulor S, Amalcap SAS, Visio Dispers, Ketak-Fil, CuproDur, Harvard Cement) were tested.

Related Experiment Videos

  • Materials were incubated in a Streptococcus mutans culture medium with sucrose for three days at 37°C.
  • Plaque accumulation was quantified using gravimetric analysis.

    • Main Results:

    • Highly polishable materials (Degulor S, Amalcap SAS, Visio Dispers) accumulated 50-75% less plaque than cements.
    • Significant variations in plaque accumulation (up to 40%) were observed among cements, even with similar surface roughness.
    • Preliminary tests indicated antibacterial effects for Degulor S, Harvard Cement, and CuproDur.

    Conclusions:

    • Surface polishability is a key factor in reducing plaque accumulation on dental restorations.
    • Material-specific properties play a crucial role in bacterial adhesion beyond surface roughness.
    • Some dental materials exhibit inherent antibacterial properties that may further inhibit plaque formation.