Femur HeadFemur Head NecrosisHeadLegg-Calve-Perthes DiseaseHip JointBone BanksAcetabulumOsteotomyArthroplasty, Replacement, HipFemoral Neck FracturesHip DislocationHip Dislocation, CongenitalHip ProsthesisHead and Neck NeoplasmsOsteoarthritis, HipBone TransplantationOsteonecrosisEpiphysesProsthesis FailurePolyethyleneDromaiidaeChromium AlloysProsthesis DesignFemurHip InjuriesIliumAluminum OxideHead MovementsPolyethylenesTractionFemur NeckReoperationFemoracetabular ImpingementHip FracturesFractures, StressFibulaCartilage, ArticularZirconiumRange of Motion, ArticularFracture Fixation, InternalTreatment OutcomeBone ScrewsArthroplastyFollow-Up StudiesEpiphyses, SlippedMetal-on-Metal Joint ProsthesesRetrospective StudiesTechnetium Tc 99m MedronateCeramicsSperm HeadDecompression, SurgicalAllograftsOsteochondritisEquipment Failure AnalysisWeight-BearingMagnetic Resonance ImagingPelvic BonesFemoral FracturesOssification, HeterotopicHipAutograftsOsteolysisLeg Length InequalityPostoperative ComplicationsCementationBiomechanical PhenomenaJoint DiseasesOsteoarthritisMethylprednisoloneTomography, X-Ray ComputedHead Injuries, ClosedBone RegenerationBone CementsCartilage DiseasesHumerusTime FactorsBone Diseases, DevelopmentalCraniocerebral TraumaStress, MechanicalOrthopedic ProceduresJoint Deformities, AcquiredRecovery of FunctionModels, AnatomicDislocationsBone NailsSlipped Capital Femoral EpiphysesBlood Coagulation Disorders, InheritedTantalumCasts, SurgicalRotationCoxa VaraFracture HealingOsteocytesPhotogrammetryFractures, ComminutedPelvisArthrographyGlucocorticoidsComposite Tissue AllograftsArthritis, Infectious