PolyethylenesPolyethylenePolyethylene GlycolsMaterials TestingProsthesis FailureHip ProsthesisJoint ProsthesisOsteolysisEquipment Failure AnalysisLubricationChromium AlloysProsthesis DesignBiocompatible MaterialsTensile StrengthCross-Linking ReagentsBone DensityStress, MechanicalSurface PropertiesArthroplasty, ReplacementArthroplasty, Replacement, HipGamma RaysStearatesFemur HeadForeign-Body ReactionSterilizationParticle SizeCatharticsKnee ProsthesisPolyethylene TerephthalatesStainless Steelalpha-TocopherolMicrofibrilsX-Ray MicrotomographyCompressive StrengthHip JointPopulation DensityCrystallizationVitamin EReoperationCentrifugation, Density GradientGlycolsOxidation-ReductionFree RadicalsDrug CarriersAcetabulumAluminum OxideBisacodylChemical PrecipitationCoated Materials, BiocompatiblePolymersZirconiumTime FactorsOrbital ImplantsNanoparticlesLiposomesSolubilityMicroscopy, Electron, ScanningCeramicsLipoproteins, LDLPilot ProjectsX-Ray DiffractionExcipientsBone CementsKineticsAntigen-Antibody ComplexMice, NudeAdsorptionChemistry, PharmaceuticalWaterAntioxidantsCell CountDrug Delivery SystemsMolecular WeightConstipationWettabilityTherapeutic IrrigationLipoproteins, HDLRabbitsSurface-Active AgentsEye, ArtificialPorosityMicroscopy, Electron