Evaluation of the Effect of Nanographene Oxide on Microleakage of Conventional and Resin-Modified Glass Ionomer

Table 3

Mean ± SD of microleakage in RMGIC subgroups.

Groups	Occlusal mean ± SD	Gingival mean ± SD	P-value
RMGIC (control)	1.3 ± 0.67^a	2.1 ± 0.73^a	0.028
RMGIC + 1% nGO	0.5 ± 0.52^b	0.4 ± 0.69^b	0.511
RMGIC + 2% nGO	1.1 ± 0.56^ab	1.8 ± 1.03^ac	0.045
P-value	0.021	0.001

Mann–Whitney U test, Kruskal–Wallis test. In each column, mean values with at least the same letter were not statistically significant (Dunn’s test). RMGIC, resin-modified glass ionomer cement; nGO, nanographene oxide.