Bone SubstitutesOsseointegrationBone RegenerationJoint Loose BodiesDurapatiteImplants, ExperimentalCeramicsClostridium bifermentansOsteogenesisBiocompatible MaterialsBone TransplantationCalcium SulfateTissue ScaffoldsAbsorbable ImplantsTitaniumMaterials TestingProstheses and ImplantsBone CementsBone Morphogenetic Protein 2PorosityPolymersOsteoblastsMicroscopy, Electron, ScanningTissue EngineeringSurface PropertiesMesenchymal Stromal CellsRabbits