%0 Journal Article %T Effect of operators’ proficiency level and patients’ related factors on possible complications, using a high frequency polyamide sonic intracanal irrigation device: A prospective clinical cohort study %A Hahn, Tobias %A Christofzik, David W. %A El-Sayed, Karim Fawzy %A Freitag-Wolf, Sandra %A Conrad, Jonas %A Graetz, Christian %A Größner-Schreiber, Birte %A Dörfer, Christof %J PLoS ONE %V 18 %N 5 %D 2023-05-04 %I Public Library of Science %~ DeepDyve