Micro-CT analysis of danger zone thickness in the mesiobuccal roots of maxillary first molars.
Ronald Ordinola-ZapataJorge N R MartinsM A VersianiC M BramantePublished in: International endodontic journal (2018)
Danger zones in the MB roots of maxillary first molars were not symmetrical. MB2 canals had less dentine thickness on both aspects of the root compared to the MB1 canal.