Silva, E J N L Comparison of apically extruded debris after large apical preparations by full-sequence rotary and single-file reciprocating systems. [electronic resource] - International endodontic journal Jul 2016 - 700-5 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1365-2591 Standard No.: 10.1111/iej.12503 doi Subjects--Topical Terms: Bicuspid--surgeryHumansRoot Canal Preparation--instrumentationTooth Apex--surgery