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Oral Biofilm Formation on Different Materials for Dental Implants
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Fibroblast Interaction with Different Abutment Surfaces: In Vitro Study.

Luigi Canullo1, Tullio Genova2,3, Esperanza Gross Trujillo4

  • 1Private Practice, Via Nizza, 46, 00198 Rome, Italy.

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Argon-plasma treatment enhanced early fibroblast adhesion on titanium implant surfaces, though differences diminished over time. This suggests potential benefits for soft tissue healing around dental implants.

Keywords:
UV lightabutment characteristicsabutment integrationbioactivationdental implant abutmentfibroblastin vitro studyplasma of argon

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Area of Science:

  • Biomaterials Science
  • Dental Implantology
  • Cell Biology

Background:

  • Effective mucosal attachment to dental implants is crucial for protecting peri-implant bone.
  • Titanium surfaces designed for soft tissue healing require optimized fibroblast adhesion.

Purpose of the Study:

  • To investigate the impact of chairside surface treatments, specifically argon-plasma and ultraviolet light, on fibroblast adhesion.
  • To evaluate these effects on various titanium surfaces intended for soft tissue healing.

Main Methods:

  • Grade 5 titanium discs with diverse surface topographies were subjected to argon-plasma, ultraviolet light, or no treatment.
  • Fibroblast morphology and adhesion were assessed at 20 minutes, 24 hours, and 72 hours using scanning electron microscopy.

Main Results:

  • Early (20 min) fibroblast spreading was enhanced by argon-plasma and UV treatments compared to controls.
  • Argon-plasma treatment significantly increased fibroblast numbers at 20 minutes, irrespective of surface topography.
  • Differences in cell spreading diminished by 24 and 72 hours; no specific surface-treatment combination showed superior adhesion long-term.

Conclusions:

  • Argon-plasma treatment demonstrates potential biological benefits for early-stage fibroblast adhesion on implant abutment surfaces.
  • While initial cell adhesion is improved, long-term effects require further investigation.
  • Surface treatments may influence initial cellular responses crucial for successful soft tissue integration.