Table 1:
Characteristics of light curing units.
LCUs
Manufacturer
LCU Type
Irradiation
Ultralume2
Ultradent/USA
Diode
40 s, 450 mw/s
Bluephase 16i
Ivoclar/Vivadent
High powered diode
10 s, 1800 mw/s
Melles Griot
USA
Argon laser
40 s, 500 mw/s