Table 6.

Irradiance, radiant exposure (product of irradiance and time (s)), and heat development (surface temperature and pulp chamber temperature) at different distances (on tooth with a flat dentin surface with a pulpal wall thickness of approximately 0.6 mm (T2)) with different light-curing units, Bluephase G2® low mode

Distance (mm)	Irradiance (mW/mm2)	Time (s)	Radiant exposure (J/mm2)	Surface temperature (°C)	Pulp chamber temperature (°C)
0	774 ± 7	30	23.2 ± 0.2	41.5 ± 0.3	39.1 ± 0.2
		20	15.5 ± 0.1	40.3 ± 0.3	38.5 ± 0.2
		10	7.7 ± 0.1	38.1 ± 0.2	37.2 ± 0.1
2	827 ± 6	30	24.8 ± 0.2	41.1 ± 0.7	39.2 ± 0.3
		20	16.5 ± 0.1	40.5 ± 0.2	38.2 ± 0.2
		10	8.3 ± 0.1	38.2 ± 0.3	37.1 ± 0.2
4	864 ± 6	30	25.9 ± 0.2	42.2 ± 0.3	38.5 ± 0.3
		20	17.3 ± 0.1	40.8 ± 0.3	37.6 ± 0.2
		10	8.6 ± 0.1	38.7 ± 0.3	36.9 ± 0.1