Bone ScrewsFracture Fixation, InternalOsseointegrationBone and BonesFracture HealingX-Ray MicrotomographyBone PlatesBone RemodelingBone DensitySpinal FusionInternal FixatorsGrowth PlateBone ResorptionBone MarrowBone DevelopmentBone NeoplasmsBone Marrow CellsBone DiseasesBone TransplantationThoracic VertebraeFractures, BoneBone RegenerationBone NailsLumbar VertebraeAxisScoliosisCervical VertebraeFluoroscopyBone MatrixSpinal DiseasesOrthopedic ProceduresSurgery, Computer-AssistedBone Marrow TransplantationCadaverBone SubstitutesTibiaBiomechanical PhenomenaOrthopedic Fixation DevicesSacrumFracture Fixation, IntramedullaryFemurCervical AtlasSpinal FracturesBone CementsAtlanto-Axial JointSpineBone WiresNeuronavigationFemoral FracturesBone Diseases, MetabolicTibial Fractures