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Surface characterization of three titanium dental implants.

John Fandridis1, Triantafillos Papadopoulos

  • 1Dental Department, Asklepieion Voulas Hospital, Athens, Greece.

Implant Dentistry
|March 12, 2008
PubMed
Summary

Three commercial titanium dental implants exhibit distinct surface topographies and compositions. These differences in nanotopography may influence implant-tissue integration and biologic activity.

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Area of Science:

  • Biomaterials Science
  • Dental Implantology
  • Surface Engineering

Background:

  • Titanium dental implants are widely used for tooth replacement.
  • Surface characteristics significantly impact osseointegration and clinical success.
  • Understanding the topographical and compositional variations of implant surfaces is crucial.

Purpose of the Study:

  • To perform a topographical and compositional evaluation of the rough surfaces of three distinct commercial titanium dental implants.
  • To compare the surface morphology and elemental composition of Bio Com Standard, Osseotite Implant, and Fixture MT Osseospeed implants.

Main Methods:

  • Utilized scanning electron microscopy (SEM) for high-resolution surface imaging.
  • Employed atomic force microscopy (AFM) to analyze surface topography at the nanoscale.

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  • Conducted energy dispersive spectroscopy (EDS) to determine elemental composition.

    • Main Results:

    • SEM and AFM revealed unique surface topographies: Bio Com Standard showed superimposed impressions and sharp pits; Osseotite Implant exhibited discrete sharp pits; Fixture MT Osseospeed presented a mixed feature appearance.
    • EDS detected trace silicon on the Osseotite Implant surface.
    • Fixture MT Osseospeed displayed a non-homogeneous distribution of elements, with varying oxide layer widths.

    Conclusions:

    • The three titanium dental implants possess distinct rough surface topographies resulting from different manufacturing treatments.
    • Surface nanotopography variations are likely to influence biologic responses at the implant-tissue interface.
    • Differences in surface oxygen concentration indicate variations in oxide layer width, with Osseotite Implant having the minimal and Fixture MT Osseospeed the maximal width.