C. Corral-Núñez, P. Vildósola-Grez, C. Bersezio-Miranda, E. Alves-Dos Campos, and E. Fernández-Godoy, “State of the art of bulk-fill resin-based composites: a review”, Rev Fac Odontol Univ Antioq, vol. 27, no. 1, pp. 177–196, Jul. 2015.