Bone ScrewsFracture Fixation, InternalOsseointegrationBone and BonesFracture HealingX-Ray MicrotomographyMyelitis, TransverseBone RemodelingColon, TransverseBone DensitySpinal FusionInternal FixatorsBone ResorptionBone PlatesBone MarrowBiomechanical PhenomenaBone NeoplasmsThoracic VertebraeBone DevelopmentBone Marrow CellsTransverse SinusesLumbar VertebraeBone TransplantationBone DiseasesCadaverScoliosisFractures, BoneAxisCervical VertebraeBone RegenerationRange of Motion, ArticularBone NailsFluoroscopySpinal DiseasesOptical RotationOrthopedic ProceduresSacrumCervical AtlasSpineAtlanto-Axial JointSurgery, Computer-AssistedOrthopedic Fixation DevicesBone MatrixFemurBone SubstitutesTibiaBone Marrow TransplantationTorqueJoint InstabilitySpinal FracturesBone CementsFracture Fixation, IntramedullaryWeight-BearingTomography, X-Ray ComputedBone WiresOccipital BoneNeuronavigationFemoral FracturesPelvic BonesImaging, Three-DimensionalTreatment OutcomeBone Diseases, Metabolic