Effect of canal preparation with XP-endo Shaper and ProTaper Next on root canal geometry and dentin thickness of mandibular premolars with radicular grooves and two canals: a micro-CT study.
Nathália Mancioppi CerqueiraVictoria Gabriela LouzadaYara Teresinha Corrêa Silva-SousaWalter Raucci-NetoGraziela Bianchi LeoniPublished in: Clinical oral investigations (2021)
Internal and external anatomical characteristics of mandibular premolars might have an influence on biomechanical preparation. Considering the risk of perforation, the canal preparation using XPS appears to be more conservative compared to PTN.