"

Cookies ussage consent

Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our site without changing the browser settings you grant us permission to store that information on your device.

I agree, do not show this message again.

In vitro behavior of sintered compacts of Co-Cr doped with hydroxyapatite for biomedical implants

D.I. BĂILĂ1,* , O.C. MOCIOIU2, C. ZAHARIA1, R. TRUŞCĂ3, A. SURDU1, M. BUNEA1

Affiliation

  1. University POLITEHNICA of Bucharest, 313 Splaiul Independentei, district 6, 060042, Bucharest, Romania
  2. "Ilie Murgulescu” Institute of Physical Chemistry of the Romanian Academy, 202 Splaiul Independentei, district 6, 060021, Bucharest, Romania;
  3. METAV, 313 Splaiul Independentei, district 6, 060042, Bucharest, Romania

Abstract

The purpose of this study was to obtain Co-Cr sintered compacts doped with hydroxyapatite (HA) in order to improve the bioactivity of implants and the in vitro behavior after an immersion in simulated biological fluid (SBF 1x) for 7 days. Co-Cr powder (ST2724G) was used to realize four compacts doped with 5wt% HA, 10wt% HA, 15wt% HA and 20wt%HA. The comparison is realized using a Co-Cr blind sample. Scanning electronic microscopy (SEM) coupled with x-ray spectrometer for energy dispersive (EDS) and x-ray diffraction analysis (XRD) were employed for semiquantitative and qualitative chemical and metallographic analyses. After immersion in SBF for 7 days can be noticed the growth of hydroxyapatite on the surface of all compacts doped with HA. The bioactivity resulted from immersion in SBF for 7 days of Co-Cr compacts has been improved by doping with hydroxyapatite..

Keywords

Biocompatibility, Hydroxyapatite, In vitro test.

Submitted at: May 27, 2015
Accepted at: June 24, 2015

Citation

D.I. BĂILĂ, O.C. MOCIOIU, C. ZAHARIA, R. TRUŞCĂ, A. SURDU, M. BUNEA, In vitro behavior of sintered compacts of Co-Cr doped with hydroxyapatite for biomedical implants, Journal of Optoelectronics and Advanced Materials Vol. 17, Iss. 7-8, pp. 1210-1218 (2015)