Table 1 Materials tested
Product | Type | Composition | Filler % (wt-vol) | Manufacturer | Lot |
|---|---|---|---|---|---|
Filtek™ bulk fill A2 | Nanofill bulk fill | Matrix: AUDMA, UDMA, AFM y 1, 12-dodecane-DMA Filler: not agglomerated/not aggregated silica, not agglomerated/not aggregated zirconia, aggregated zirconia / silica compound, ytterbium trifluoride | 76.5 wt-58.4 vol | 3 M, ESPE, St. Paul, MN, USA | NC74349 |
Tetric® N-ceram bulk-fill IVA | Nanohybrid bulk fill | Matrix: bis-GMA, bis-EMA, UDMA Filler: barium silicate alumino glass, “isofiller” (prepolymer, glass and ytterbium fluoride), ytterbium fluoride and mixed oxides | 76 wt-54 vol | Ivoclar Vivadent, Schaan, Liechtenstein | Z02TBZ |
Opus bulk fill APS A2 | Nanohybrid Bulk Fill | Matrix: UDMA Filler: Nanofiller Photoinitiating-Advanced Polymetization System (APS). Inorganic load of silanized silicon dioxide (sílica), barium glass aluminosilicate | 76.5 wt-58.4 vol | FGM, Santa Catarina, Brasil | 010,221 |
Opallis EA2 | Nanohybrid | Matrix: Bis-GMA, Bis-EMA, UDMA, TEGDMA. Filler: The loads are a combination of silanized barium-aluminum silicate glass and nanoparticles of silicon dioxide, camphorquinone as photoinitiator, accelerators, stabilizers and pigments | 79.8 wt-58 vol | FGM, Santa Catarina, Brasil | 171,120 |
Tetric® N-ceram A2 | Nanohybrid | Matrix: Bis-GMA, Bis-EMA, UDMA Filler: Dimethacrylates, additives, catalysts, stabilizer sand pigments, barium glass, ytterbium trifluoride, mixed oxide and prepolymerized filler | 81 wt-57 vol | Ivoclar Vivadent, Schaan, Liechtenstein | Z022ZP |
Filtek™ Z250 XT A2 | Nanohybrid | Matrix: BIS-GMA, TEGDMA, UDMA Filler: Silane treated ceramic, Bisphenol a polyethylene glycol diether dimethacrylate | 82 wt-68 vol | 3 M, ESPE, St. Paul, MN, USA | NE65758 |
Sof-lex System | Finishing polishing sytem | Aluminum oxide abrasive discs | – | 3 M, ESPE, St. Paul, MN, USA | NA38805 NC80025 NA38805 NC93054 |