Dental iQ Volume 54, 2/2019 page 77-87 , more by this author, more by this author, more by this authormore by this author back Key words: Trade name and manufacturer: HyFlex CMHyFlex EDMGuttaFlow 2ColteneRTPiezon Master 600EMSProTaper UniversalDentsply Sirona HyFlex CMHyFlex EDMGuttaFlow 2ColteneRTPiezon Master 600EMSProTaper UniversalDentsply Sirona Original publication: Dental iQ 2019;2:77-87.