Effects of root canal enlargement on unprepared areas and coronal dentine thickness of three-rooted maxillary first premolars with different root configurations: A stepwise micro-CT study.
Marco Aurélio VersianiKleber K T CarvalhoJorge N R MartinsAntonio L N CustódioMaurício A A CastroEmílio AkakiYara T C S Silva-SousaManoel Damião de Sousa-NetoPublished in: International endodontic journal (2022)
Instruments sizes 30.02 and 30.04 can be safely and effectively used to enlarge the buccal and palatal canals of three-rooted maxillary first premolars.