The key advantage of this technique over conventional plasma spraying is the uniform incorporation of hydroxyapatite (HA) particles in the coating as well as the exposure of the HA particles to the free surface where they induce in vitro mineralisation in SBF. The presented technique also provides higher binding force between the coating and Ti substrate than the conventional bead sintering techniques, and hence it will potentially result in a stronger in-growth of bone tissue into the coating.
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