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Related Experiment Video

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Sol-Gel Fabricated Tio₂ Coating on Titanium Surface Promoted In Vitro Osteoblasts Differentiation.

T Angwarawong1, K Kanjanamekanant2, M Arksornnukit2

  • 1Department of Prosthodontics, Faculty of Dentistry, Khon Kaen University, Khon Kaen, 40002.

The European Journal of Prosthodontics and Restorative Dentistry
|October 15, 2019
PubMed
Summary

Titanium dioxide (TiO₂) sol-gel coatings enhance titanium

Keywords:
Osteogenic DifferentiationPrimary Human OsteoblastsSol-GelTitanium Dioxide

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Area of Science:

  • Biomaterials Science
  • Surface Chemistry
  • Cell Biology

Background:

  • Titanium's biocompatibility for biomedical devices is attributed to its oxide layer.
  • Limitations include poor surface hardness, wear resistance, and metal release.
  • Surface modification is crucial for improving titanium's clinical performance.

Purpose of the Study:

  • To enhance titanium surface properties and osteoblast function using TiO₂ sol-gel coating.
  • To evaluate the impact of TiO₂ coating on osteoblast differentiation and mineralization.

Main Methods:

  • Titanium discs were coated with TiO₂ sol-gel.
  • Surface properties (roughness, wettability) were analyzed.
  • Osteoblast adhesion, proliferation, gene expression (bone sialoprotein, osteocalcin), protein synthesis (osteocalcin), and calcium deposition were assessed.

Main Results:

  • TiO₂ sol-gel coating increased surface wettability but did not alter roughness.
  • TiO₂ surfaces exhibited enhanced osteoblast adhesion and proliferation.
  • Increased expression of bone sialoprotein and osteocalcin, along with greater calcium deposition, was observed.

Conclusions:

  • TiO₂ sol-gel coating improves titanium's surface properties.
  • The coating significantly enhances osteoblast differentiation and mineralization.
  • This suggests potential for improved osseointegration in clinical applications.