Table 1.

Materials with technical information

Materials	Manufacturer	Type	Resin	Filler’s type and %	Lot #
Rok	SDI, Vic, Australia	Hybrid composite	UDMA, TEGDMA, Bis-EMA	SAS, AS, (0.04 -2.5 µm); 82.3 Wt% (67.7  Vol %)	120145
Esthet X HD	DENTSPLY, Caulk, USA	Microhybrid composites	BIS-GMA, BIS-EMA, TEGDMA	Barium, FSG (<1 μm), NFS(0.04 μm), TD (nanofiller);(60 Vol%)	1111041
Estelite Sigma Quick	Tokuyama, Dental Co. Tokyo	Submicron filled composite	Bis-GMA, TEGDMA	SiO2, ZrO2 (200 nm), PFSC (average 0.2 μm); 78Wt% (63 Vol %)	082E61

SAS= Strontium alumino silicate, AS= amorphous silica, FSG= fluoroalumino silicate glass,

NFS= Nanofiller silica, TD= Titanium Dioxide, PFSC= prepolymerized filler of silicacomposite