Table 4: DC in different composite resins cured with different LCUs.

LCUs	Composite	DC(%)
LED	Z250	53.40± 5.60
	P90	50.61 ± 4.02
High Powered LED	Z250	56.79 ± 4.86
	P90	55.30±4.72
Argon Laser	Z250	55.23±5.17
	P90	53.82±5.05