Table 5.

Mean values and standard deviations (±SD) of Bis-GMA (μg/mL) eluted from restorative materials.

	Dyract XP-	Dyract XP+	Filtek™ Bulk Fill-	Filtek™ Bulk Fill+
24 hours	30.209 ± 0.895bA (0.0589)	15.386 ± 2.058aA (0.03)	8.996 ± 0.721aA (0.017)	4.482 ± 2.255aA (0.0087)
48 hours	37.401 ± 2.135bAC (0.0729)	20.306 ± 3.261cdA (0.0396)	12.509 ± 1.580adA (0.0244)	5.674 ± 2.289aA (0.011)
72 hours	42.312 ± 3.823bBC (0.0825)	25.435 ± 1.699cdA (0.0498)	15.317 ± 2.113adA (0.0298)	10.278 ± 4.011aA (0.02)

Different superscript uppercase letters indicate a significant difference (p < 0.05) within the same column; different superscript lowercase letters indicate a significant difference (p < 0.05) within the same row (Tukey post hoc test). The numbers in parentheses are expressed as mmol/L.