Biaxial Flexural Strength of High-Viscosity Glass-Ionomer Cements Heat-Cured with an LED Lamp during Setting

Table 2

Mean and standard error (SE) of the output temperature in °C for the three curing lights, by time.

Lamp	Time (sec)
	10		20		30		40		50		60
	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE	Mean	SE
ECCO	35.0^a	0.6	39.8^d	0.9	41.0^g	1.0	42.8^j	1.8	42.5^m	2.6	42.0^o	2.9
GCP	41.3^b	1.1	48.0^e	0.8	53.3^h	0.6	54.0^k	1.2	56.0^n	1.6	57.3^p	2.4
GSK	32.0^c	0.0	34.5^f	0.3	34.5^i	0.7	36.3^l	0.5	37.0^m	0.6	35.0^o	0.4

The number of samples is 12 per exposure time. Different superscript letters show significant statistical differences (the Bonferroni test) between the materials.