Bone ScrewsFracture Fixation, InternalOsseointegrationFracture HealingSpinal FusionBone and BonesInternal FixatorsX-Ray MicrotomographyOdontoid ProcessAxisAtlanto-Axial JointCervical AtlasBone PlatesSpinal FracturesFracture FixationCervical VertebraeLumbar VertebraeBone RemodelingThoracic VertebraeFractures, UnunitedFractures, BoneBone TransplantationOrthopedic Fixation DevicesScaphoid BoneBone WiresFluoroscopySacrumSpondylolisthesisOrthopedic ProceduresFemoral Neck FracturesBone DensityNitrogen FixationSpinal DiseasesJoint InstabilityBone NailsCarpal BonesDislocationsCadaverFixation, OcularNeuronavigationRange of Motion, ArticularScoliosisSurgery, Computer-AssistedPelvic BonesFracture Fixation, IntramedullaryBone ResorptionTreatment OutcomeBiomechanical PhenomenaTibial FracturesSurgical Procedures, Minimally InvasivePostoperative ComplicationsBone CementsBone MarrowWrist InjuriesOccipital BoneClavicleFractures, ClosedSpinal InjuriesBone NeoplasmsFemoral FracturesBone Marrow CellsBone DevelopmentTitaniumTissue FixationKyphosisComplement Fixation TestsBone DiseasesAbsorbable ImplantsEpiphyses, SlippedRetrospective StudiesWeight-BearingReoperationTomography, X-Ray ComputedSpineIliumRecovery of FunctionLaminectomyAtlanto-Occipital JointBone RegenerationArthrodesisAcromioclavicular JointFollow-Up StudiesSesamoid BonesHip FracturesZygapophyseal JointProsthesis DesignOsteotomyDecompression, SurgicalMaterials TestingAcetabulumBone MatrixExternal FixatorsMultiple TraumaBone SubstitutesFemurBone Marrow Transplantation