Epoxy ResinsGutta-PerchaRoot Canal TherapyRoot Canal Filling MaterialsFuchs' Endothelial DystrophyDescemet MembraneZinc Oxide-Eugenol CementCalcium HydroxideRoot Canal ObturationThymolCorneal TransplantationSilicatesCalcium CompoundsRoot Canal PreparationDental LeakageMaterials TestingPeriapical TissueTooth ApexBismuthDental Pulp CavityDental CementsAluminum CompoundsSubcutaneous TissueZinc OxideSalicylatesVisual AcuityRoot Canal IrrigantsTooth, NonvitalSodium HypochloriteDentinRetrograde ObturationOxidesDrug CombinationsTooth DiscolorationAmerican Dental AssociationPeriapical PeriodontitisGranuloma, Foreign-BodyEndodonticsDental CementumDental BondingSmear LayerTooth RootRadiography, DentalFormaldehydeStatistics, Nonparametric