Degradation effects of dietary solvents on microhardness and inorganic elements of computer-aided design/computer-aided manufacturing dental composites

Table 1 Composition and manufacturers of materials investigated

Material (Abbreviation)	Manufacturer	Manufacturing process	Monomer composition	Filler composition	Filler % by weight	Lot number
Filtek Z350 XT (FZ)	3 M ESPE, St Paul, MN, USA	Direct	Bis-GMA, Bis-EMA, UDMA, TEGDMA, PEGDMA	Silica nanoparticles, zirconia nanoparticles	78.5	N771467
Shofu Ceramage (CM)	Shofu, Kyoto, Japan	Indirect	UDMA (+ HEMA in opaque paste)	Silica-based glass	74	011605
Lava Ultimate (LU)	3 M ESPE, St Paul, MN, USA	CAD/CAM	UDMA	SiO₂ (20 nm), ZrO₂ (4–11 nm), ZrO₂/SiO₂ clusters	79	N554839
Cerasmart (CS)	GC, Tokyo, Japan	CAD/CAM	UDMA + other DMA	SiO₂ (20 nm), barium glass (300 nm)	71	1410271
Vita Enamic (VE)	VITA Zahnfabrik, Bad Säckingen, Germany	CAD/CAM	UDMA + TEGDMA	86% glass-ceramic sintered network	86	20160422

Abbreviations: Bis-EMA: ethoxylated bisphenol-A-glycidyl methacrylate; Bis-GMA: bisphenol-A glycidyl methacrylate; CAD/CAM: computer-aided design/computer-aided manufacturing; DMA: dimethacrylate; HEMA: 2-hydroxyethyl methacrylate; PEGDMA: polyethylene glycol dimethacrylate; SiO₂: silicon dioxide; TEGDMA:triethylene glycol dimethacrylate; UDMA: urethane dimethacrylate; ZrO₂:zirconium dioxide

ISSN: 1472-6831