Paper Title:
Study of Calcium Phosphate Deposition on Porous Titanium Samples
  Abstract

Surgical implant coatings and grafts for tissue replacement have been made by porous surface materials to improve the implant to bone attachment. In this work, porous titanium samples were produced via powder metallurgy techniques and submitted to the biomimetic process in order to enhance its osteoconductivity. This process allows a nucleation and growth of a calcium phosphate film which makes a chemical bond with titanium. Therefore, it avoids the looseness of this film from substrate. The samples were chemically treated, heat treated at different temperatures and soaked into a modified body fluid solution (mSBF) during periods of 2 and 7 days. Samples with and without pretreatments and not soaked in mSBF were used as controls. SEM and EDX analyses detected a calcium phosphate phase on the sample surfaces treated at 400°C and 600°C and soaked in mSBF for 2 and 7 days. The results demonstrated the potential of the methodology applied for obtaining a bonelike apatite film on porous titanium samples processed by powder metallurgy.

  Info
Periodical
Materials Science Forum (Volumes 530-531)
Edited by
Lucio Salgado and Francisco Ambrozio Filho
Pages
569-574
DOI
10.4028/www.scientific.net/MSF.530-531.569
Citation
W. Silva de Medeiros, M. V. de Oliveira, L. C. Pereira, C. A. A. Cairo, M.A. Calixto, "Study of Calcium Phosphate Deposition on Porous Titanium Samples", Materials Science Forum, Vols. 530-531, pp. 569-574, 2006
Online since
November 2006
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$32.00
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