Ciucchi, B The effectiveness of different endodontic irrigation procedures on the removal of the smear layer: a scanning electron microscopic study. [electronic resource] - International endodontic journal Jan 1989 - 21-8 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0143-2885 Standard No.: 10.1111/j.1365-2591.1989.tb00501.x doi Subjects--Topical Terms: Dentin--ultrastructureEdetic AcidEvaluation Studies as TopicHumansRoot Canal IrrigantsRoot Canal Therapy--methodsSodium HypochloriteUltrasonics