Bioactivity of rekagraf calcium phosphate

Abstract

A synthetic calcium phosphate, labelled as Rekagraf, was synthesized in our laboratory at Universiti Sains Malaysia. The product is part of an up-scaled production of synthetic calcium phosphate for medical and dental uses. This is based on a precipitation process using a chemical reactor. The powder produced fits the ICDD: 09-0432 pattern upon analysis by x-ray diffraction (XRD). The powder was compacted into a pellet at 20 bar and tested for bioactivity and mechanical integrity. Bioactivity test was conducted using a simulated body fluid (SBF) solution and the results were examined by scanning electron microscopy (SEM). SBF test confirmed the growth of apatite layer after 7 days. The hardness test showed a value of 200 Mpa.