Shaping ability of rotary or reciprocating systems for oval root canal preparation: a micro-computed tomography study.
Camila Galletti EspirCamila Almeida Nascimento-MendesJuliane Maria Guerreiro-TanomaruBruno Cavalini CavenagoMarco Antonio Hungaro DuarteMario Tanomaru-FilhoPublished in: Clinical oral investigations (2018)
A preparation that volumetrically increases the root canal is not necessarily associated with better cleaning. Shaping and hard-tissue debris removal depends on root canal anatomy, kinematics, number of instruments, and instrument design.