Influence of CBCT-based volumetric distortion and beam hardening artefacts on the assessment of root canal filling quality in isthmus-containing molars - Rodrigues, Clarissa Teles; Jacobs, Reinhilde; Vasconcelos, Karla Faria; Lambrechts, Paul; Rubira-Bullen, Izabel Regina Fischer; Gaêta-Araujo, Hugo; Oliveira-Santos, Christiano de; Duarte, Marco Antonio Hungaro (Dento Maxillo Facial Radiology, 2021)