Delai, Débora Apically extruded debris in filling removal of curved canals using 3 NiTi systems and hand files. [electronic resource] - Brazilian dental journal - 54-59 p. digital Publication Type: Journal Article ISSN: 1806-4760 Standard No.: 10.1590/0103-6440201801760 doi Subjects--Topical Terms: HumansNickel--chemistryRoot Canal Preparation--instrumentationTherapeutic IrrigationTitanium--chemistryTooth Apex