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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 15 (2000), No. 3     15. June 2000
Int J Oral Maxillofac Implants 15 (2000), No. 3  (15.06.2000)

Page 355-363

Surface Characterization of Titanium-Based Implant Materials
Placko, Hallie E. / Fellow, Graduate / Mishra, Sourabh / Weimer, Jeffery J. / Lucas, Linda C.
This study examined the effects of different treatments (polished, electropolished, and grit-blasted) on the surface morphology and chemistry of commercially pure titanium and titanium-6% aluminum-4% vanadium. The structure and composition of the surfaces were evaluated using scanning electron microscopy, atomic force microscopy, energy dispersive spectroscopy, Auger microprobe analysis, and x-ray photoelectron spectroscopy. Surface roughness values at large scales were nearly identical for grit-blasted and electropolished samples, while at smaller scales, electropolished and polished samples had nearly identical quantitative roughness values. The surface oxide compositions were found to be primarily titanium dioxide on both materials for all surface treatments. No vanadium was seen with either x-ray photoelectron spectroscopy or Auger microprobe analysis for the alloy, indicating a possible surface depletion. Calcium was present on the grit-blasted samples, and calcium and chlorine were detected on the electropolished samples.

Keywords: characterization, dental implants, surface properties, titanium