Comparison of the operative time and presence of voids of incremental and bulk-filling techniques on Class II composite restorations - Soto-Montero, Jorge Rodrigo; Giannini, Marcelo; Sebold, Maicon; Castro, Eduardo F. de; Abreu, João L. B; Hirata, Ronaldo; Dias, Carlos Tadeu dos Santos; Price, Richard B. T (Quintessence International, 2022)