Root canal curvature influences uncontrolled removal of dentin and cleaning efficacy after ultrasonic activation: a randomized clinical trial - Paiva, Hermano Camelo; Iglecias, Elaine Faga; Freire, Laila Gonzales; Candeiro, George Taccio de Miranda; Vieira, Basílio Rodrigues; Sousa, Frederico Barbosa de; Gavini, Giulio (Brazilian Dental Journal, 2024)