Mass SpectrometryTandem Mass SpectrometrySpectrometry, Mass, Electrospray IonizationSpectrometry, Mass, Matrix-Assisted Laser Desorption-IonizationOrthopedic Fixation DevicesSpinal FusionScoliosisGas Chromatography-Mass SpectrometryInternal FixatorsThoracic VertebraeChromatography, LiquidBone ScrewsProteomicsChromatography, High Pressure LiquidLumbar VertebraeKyphosisSpectrometry, Mass, Secondary IonProteomeRoot Canal PreparationMolecular Sequence DataAmino Acid SequenceOrthopedic ProceduresEquipment DesignDental InstrumentsReproducibility of ResultsTuberculosis, SpinalDental Pulp CavitySpectrometry, Mass, Fast Atom BombardmentSpineCalibrationSensitivity and SpecificityElectrophoresis, Gel, Two-DimensionalTooth ApexPeptidesDecompression, SurgicalRoot Canal IrrigantsReference StandardsDebridementSpinal FracturesLordosisSpinal DiseasesBone TransplantationDeuterium Exchange MeasurementMolecular StructureProteinsIsotope LabelingTitaniumAlgorithmsTreatment OutcomeMagnetic Resonance SpectroscopyTime FactorsSmear LayerPeptide MappingSpondylitisCervical VertebraeSpondylolisthesisPseudarthrosisNuclear MedicineAmplifiers, ElectronicSodium HypochloriteSoftwareSurgery, Computer-AssistedLimit of DetectionSolid Phase ExtractionElectrophoresis, CapillaryIndicators and ReagentsCarbohydrate SequenceDeuteriumChromatography, GasMiniaturizationIonsDiscitisEquipment Failure AnalysisBody Mass IndexRetrospective StudiesMetabolomicsPeptide FragmentsOccipital BoneNanotechnologyIliumRibsRoot PlaningSubstance Abuse DetectionPostoperative ComplicationsChromatography, Thin LayerTractionFourier AnalysisBiomechanical PhenomenaProstheses and ImplantsCattleProtein BindingMaterials TestingSacrumMicrochemistryChemical FractionationIsotopesLasersSurgical EquipmentAnalytic Sample Preparation MethodsDental Alloys