J. F. Besegato, D. de C. C. Petrin, G. C. da Costa, L. F. de O. T. Ferraresso, and M. G. Hoeppner, “Effect of filling technique and light-curing exposure time on the hardness of bulk-fill resin composites”, Clin Lab Res Dent, Aug. 2020, doi: 10.11606/issn.2357-8041.clrd.2020.170336.