Step-stress vs. staircase fatigue tests to evaluate the effect of intaglio adjustment on the fatigue behavior of simplified lithium disilicate glass-ceramic restorations - Venturini, A B; Bohrer, T C; Fontana, P E; Fröhlich, T T; May, L G; Valandro, L F (J Mech Behav Biomed Mater, 2021)