Electrochemical property and apatite formation of metal ion implanted titanium for medical implants

This work is concerned with the effects of Ca-ion implantation on the electrochemical behavior and biocompatibility of commercially pure Ti. The electrochemical behavior was tested by open-circuit potential transient and polarization experiments in Hanks' solution, and the biocompatibility was evaluated by soaking in simulated body fluid solution. The Ca-implanted Ti specimen showed more active electrochemical behavior than non-implanted specimen, and easier formation of apatite with good Ca/P ratio in the range of 1.38 and 1.60, revealing its potential as a bioactive material. (c) 2005 Elsevier B.V. All rights reserved.