ESE congress Vienna 2020 oral presentationKaloustian MK, Nehme W, El Hachem C, Zogheib C, Ghosn N, Mallet JP, Diemer F, Naaman A. Evaluation of two shaping systems and two sonic irrigation devices in removing root canal filling material from distal roots of mandibular molars assessed by micro CT. Int Endod J. 2019 Nov;52(11):1635-1644. doi: 10.1111/iej.13163. Epub 2019 Jun 17. PMID: 31127955. Kaloustian MK, Nehme W, El Hachem C, Zogheib C, Ghosn N, Michetti J, Naaman A, Diemer F. Evaluation of Two Shaping Systems and Two Ultrasonic Irrigation Devices in Removing Root Canal Filling Material from Mesial Roots of Mandibular Molars: A Micro CT Study. Dent J (Basel). 2019 Jan 2;7(1):2. doi: 10.3390/dj7010002. PMID: 30609716; PMCID: PMC6473683