Table 1: Information on the diferent materials used in this study: composition, particle size and weight.

Material Composition (% wt.) Particle size (µm ou nm) mass (g)
Glass ionomer  (Vitremer, 3M, ESPE, USA) (VT) Liquid: Canforoquinone, HEMA, alquenoic acid, water (28%) Powder: fluoraluminumsilicate glass (SiO2, Al2O3, CaF2, AlF3,AlPO4,ZrO2 (72%) Comercial powder particles: 12.5 µm 0
Glass ionomer  reinforced with Alumina (VTA1) Liquid: Canforoquinone, HEMA, alquenoic acid, water (27.2%) Powder: fluoraluminumsilicate glass (68.9%), Nano-particles (3.9%) Comercial powder particles: 12.5 µm Al2O3 nano-fillers: < 50 nm 0.008
Glass ionomer  reinforced with Alumina (VTA2) Liquid: Canforoquinone, HEMA, alquenoic acid, water (26.8%) Powder: fluoraluminumsilicate glass (67.1%), Al2O3 Nano-particles (6.1%) Comercial powder particles: 12.5 µm Al2O3 nano-fillers:  < 50 nm 0.0130
Glass ionomer  reinforced with Alumina (VTZ1) Liquid: Canforoquinone, HEMA, alquenoic acid, water (27%) Powder: fluoraluminumsilicate glass (68.3%), Al2O3 nano-particles (4.7%) Comercial powder particles: 12.5 µm ZrO2 nano-fillers:  <50 nm 0.0097
Glass ionomer  reinforced with Zircónia (VTZ2) Liquid: Canforoquinone, HEMA, alquenoic acid, water (25.6%) Powder: fluoraluminumsilicate glass (65%), Nano-partículas de ZrO2 (9.4%) Comercial powder particles: 12.5 µm ZrO2 nano-fillers:  <50 nm 0.0207
Glass ionomer  reinforced with Zircónia (VTZ3) Liquid: Canforoquinone, HEMA, alquenoic acid, water (25.5%) Powder: fluoraluminumsilicate glass (63.5%), ZrO2 nano-particles (11%) Comercial powder particles: 12.5 µm ZrO2 nano-fillers:  < 50 nm 0.0255
Glass ionomer  reinforced with zircónia (VTZ4) Liquid: Canforoquinone, HEMA, alquenoic acid, water (23.9%) Powder: fluoraluminumsilicate glass (60.3%), nano-fillers ZrO2 (15.8%) Comercial powder particles: 12.5 µm ZrO2 nano-fillers: < 50 nm   0.0373
Glass ionomer  reinforced with zirconia and alumina (VTZA) Liquid: Canforoquinone, HEMA, alquenoic acid, water (25%) Powder: fluoraluminumsilicate glass (65.7%), ZrO2 and Al2O3 nano-fillers (9.3%). Comercial powder particles: 12.5 µm ZrO2 nano-fillers: < 50 nm Al2O3 nano-fillers: < 50 nm 0.0128; 0.0077
resin composite (GrandioSO, Voco, Germany) Organic matrix: BISGMA, TEGDMA, BISEMA (11%) Coloidal sílica nano-fillers 20-40 nm; Barium glass fillers: 1 µm 0.092