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Treatment techniques on biocompatible titanium to modify the surface wetting properties.

L Torrisi1, C Scolaro1

  • 1Dipartimento di Scienze Fisiche - MIFT, V. le F.S. D'Alcontres 31, 98166 S. Agata, Messina, Italy.

Bio-Medical Materials and Engineering
|September 5, 2017
PubMed
Summary

Surface treatments drastically alter titanium

Keywords:
Titaniumprosthesisroughnesssurface treatmentwetting ability

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Area of Science:

  • Biomaterials Science
  • Surface Engineering
  • Materials Science

Background:

  • Biocompatible titanium surfaces are crucial for medical implants and prostheses.
  • Controlling surface properties like wettability is essential for device performance and integration.
  • Existing surface modification techniques offer varied outcomes in altering titanium's physical characteristics.

Purpose of the Study:

  • To investigate the impact of various surface treatments on the physical properties of biocompatible titanium.
  • To quantify changes in roughness and wetting ability induced by different treatment methods.
  • To establish the relationship between surface roughness and wettability (contact angle) of titanium.

Main Methods:

  • Six distinct surface treatment techniques were applied: polishing, sandblasting, acid attack, laser ablation, ion implantation, and nanoparticle deposition.
  • Surface roughness was measured.
  • Wetting ability was assessed by measuring the contact angle.

Main Results:

  • Surface treatments significantly modified titanium's wetting behavior, enabling enhancement of either hydrophilic or hydrophobic properties.
  • A direct linear relationship was observed between surface roughness and the measured contact angle.
  • The choice of treatment critically determined the resulting surface wettability.

Conclusions:

  • Surface treatment is a highly effective method for tailoring the wettability of biocompatible titanium.
  • The established linear correlation between roughness and contact angle provides a predictive model for surface design.
  • These findings have direct implications for the design and application of titanium-based permanent and removable prostheses.