Impact of the removal of filling material from the post space with ultrasonic insert and magnification with a surgical microscope on the bond strength and adhesive interface of multifilament fiberglass posts onto flat-oval root canals - Bertolini, Gunther Ricardo; Santos, Guilherme Nilson Alves dos; Paula-Silva, Francisco Wanderley Garcia de; Sousa, Alice Corrêa Silva; Roperto, Renato Cássio; Sousa Neto, Manoel Damião de; Lopes, Fabiane Carneiro (Journal of the Mechanical Behavior of Biomedical Materials, 2022)