ShoesTooth WearDental Restoration WearOrthotic DevicesPolyethyleneProsthesis FittingPolyethylenesFoot DiseasesFoot Deformities, AcquiredProsthesis FailureContact LensesFootFoot OrthosesContact Lenses, Extended-WearFoot InjuriesContact Lenses, HydrophilicHip ProsthesisHeelFoot DeformitiesChromium AlloysProsthesis DesignGaitOsteolysisEquipment Failure AnalysisMaterials TestingFrictionHallux ValgusWalkingBiomechanical PhenomenaSurface PropertiesEquipment DesignTanningTooth ErosionArthroplasty, Replacement, Hip