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 N. Ragazzini, Comparison of restorative time of direct fillings class I & II placed with traditional layering technique or bulk layering technique, Clinical Report, Bologna, 2020.
 A. Lebedenko, Comparative fillings: Conventional layering technique versus 3sCure two-layer technique, Test Report, Ivoclar, 2018.
 N. Lawson, Clinical evaluation of a bulk fill resin composite, 24-month report, Study Report, Birmingham (US), 2020.
 Based on sales figures.
 Functional impression and support pin registration in one appointment.
 Malament K.A. et al, Ten-year survival of pressed, acid-etched e.max lithium disilicate monolithic and bilayered complete-coverage restorations: Performance and outcomes as a function of tooth position and age. Journal of prosthetic dentistry, 2019, 121, p.782-790.