<p>A new glass formulation,
with the molar composition 92% SiO<sub>2</sub>– 6 % CaO – 2% P<sub>2</sub>O<sub>5</sub>
was synthesized using the sol-gel process, for applications as biomaterial in
orthopaedic or maxillo facial surgery. Pellets, made of glass powder, were
uniaxially compacted and soaked in
Simulated Body Fluid (SBF) for up to 7 days at 37°C to evaluate glass
bioactivity. Ionic exchanges at the
interface glass-SBF were evaluated by studying evolutions of calcium,
phosphorus and silicon concentrations in
SBF using ICP-OES. Changes in glass surface, and the formation of crystalline
phases were analyzed using XRD, SEM, EDS and FTIR methods. In the
pharmaceutical field, these materials are particularly interesting for the
synthesis of drugs for controlled release. </p
