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Surface conditioning of porous titanium for endosseous implants by chemical and heat treatments

I. GLIGOR1,* , T. MARCU1, M. TODEA2, L. CONŢ1, V. CÂNDEA1, C. POPA1

Affiliation

  1. Department of Materials Science and Engineering, Technical University of Cluj-Napoca, 103-105 Muncii Ave., 400641, Cluj-Napoca, Romania
  2. Physics Faculty and Interdisciplinary Research Institute in Bio-Nano-Science, Babes-Bolyai University, 400084, ClujNapoca, Romania

Abstract

The aim of this work was to modify the surface chemistry and morphology of porous titanium in order to improve its bioactivity. Porous titanium compacts obtained by the pressing-sintering route were submitted to alkali and acid treatments in order to improve the bioactivity. C.p. Ti powder with grain size of less than 150 µm was employed. The surface morphology and chemical composition was examined by SEM, XRD and XPS analysis. A homogeneous layer of crystalline TiO2 with traces of TiOH was formed after alkali treatment, while the acid treatment lead to the formation of a non-uniform layer containing titanium sub-oxides TiO and Ti2O3..

Keywords

Porous titanium, Alkali-heat treatment, Acid-heat treatment, Bioactivity.

Submitted at: March 10, 2011
Accepted at: July 25, 2011

Citation

I. GLIGOR, T. MARCU, M. TODEA, L. CONŢ, V. CÂNDEA, C. POPA, Surface conditioning of porous titanium for endosseous implants by chemical and heat treatments, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 7, pp. 879-882 (2011)