Root Canal ObturationGutta-PerchaRoot Canal Filling MaterialsEpoxy ResinsTooth ApexDental LeakageDental Pulp CavityRoot Canal TherapyEndodonticsZinc Oxide-Eugenol CementCalcium CompoundsCuspidSilicatesMaterials TestingDimethylpolysiloxanesAluminum CompoundsCalcium SulfateRadiography, BitewingSmear LayerSodium HypochloriteDental Marginal AdaptationRetrograde ObturationDental BondingStainless SteelIncisorOxidesDental CementsDrug CombinationsTooth RootDentinSurface PropertiesMolarAcrylic ResinsEfficiency