Bone ScrewsFracture Fixation, InternalOsseointegrationBone and BonesFracture HealingX-Ray MicrotomographySpinal FusionInternal FixatorsBone RemodelingBone PlatesBone DensityThoracic VertebraeAxisScoliosisBone NailsCervical VertebraeFluoroscopyLumbar VertebraeSpinal DiseasesBone ResorptionSurgery, Computer-AssistedOrthopedic ProceduresBone MarrowBone TransplantationFractures, BoneCadaverOrthopedic Fixation DevicesSacrumCervical AtlasAtlanto-Axial JointBone NeoplasmsNeuronavigationSpinal FracturesFracture Fixation, IntramedullaryBone DevelopmentBone Marrow CellsBiomechanical PhenomenaBone DiseasesBone WiresSpineFemoral Neck FracturesBone RegenerationFemoral FracturesTibial FracturesOdontoid ProcessTitaniumFractures, UnunitedJoint InstabilityBone CementsDental AbutmentsBone SubstitutesPostoperative ComplicationsPolymethyl MethacrylateEquipment FailurePelvic BonesDislocationsSpondylolisthesisFemurTibiaProsthesis ImplantationTreatment OutcomeOccipital BoneBone Matrix