Table 1

Composite	Manufacturer	Code	Classification/composition		Lot
Filtek Supreme XT (A2E shade)	3M ESPE (St Paul, MN, USA)	FS	Nanofilled Filler: 57.7% vol, 72.5% wt, SiO2 nanofiller (75 nm), ZrO2/SiO2 nanoclusters (0.6 - 1.4 μm) Polymeric matrix (42.3% vol, 27.5% wt): Bis-GMA, Bis-EMA, EDMA, TEGDMA		5BU
Filtek Z250 (A2 shade)	3M ESPE (St Paul, MN, USA)	FZ	Micro-hybrid Filler: 60% vol, 82% wt, ZrO2/SiO2, 0.6 μm mean size Polymeric matrix (40% vol, 18% wt): Bis-GMA, Bis-EMA,UDMA, TEGDMA		7LP
Curing device	Manufacturer	Code	Radiometer* data 0mm	Radiometer* data 8mm	Serial
Bluephase 16i	Vivadent	BP	1100	540	1633858
Ultra-Lume LED 5	Ultradent	UL	700	350	511372
XL 3000	3M ESPE	XL	450	250	208811
AccuCure 3000	LaserMed	AC	500	300	0404490

Bluephase 16i – Vivadent, Bürs, Austria; Ultra-Lume LED 5 – Ultradent, South Jordan, USA; XL 3000 – 3M ESPE, Grafenau, Germany; AccuCure – LaserMed, W
Jordan, UT, USA.
*Demetron Research Corporation model 100, serial 105415 (Kerr Corporation - Orange).

Table 1: Composite resins and light curing devices used.