Nanoporous, bioactive and cytocompatible TiO2 encapsulated Ti particles as bone augmentation material

•Nanoporous, bioactive, cytocompatible TiO2 encapsulated spherical Ti particles.•The outer TiO2 induces bioactivity and inner Ti metal provides mechanical rigidity.•Anatase TiO2 is the driving force for enhanced bone bonding ability.•Good cell viability towards osteoblast like cells.•A candidate material to be useful as bone or dental cavity filler or bone cement.