Protective effect of a nanofilled resin-based coating on wear resistance of glass ionomer cement restorative materials

Table 2 Median ± interquartile range of vertical loss (mm) and volume loss (mm³)

Material		Uncoated	Coated	P-Value
Fuji II LC	Vertical loss	0.53 \(\pm\) 0.47	0.69 \(\pm\) 1.74	–
Fuji II LC	Volume loss	1.48 \(\pm\) 0.48^A	2.12 \(\pm\) 1.75^A	0.966
Ketac nano	Vertical loss	0.50 \(\pm\) 0.12	0.55 \(\pm\) 0.17	–
Ketac nano	Volume loss	0.65 \(\pm\) 0.12^B	0.76 \(\pm\) 0.17^B	0.368
Equia forte fil	Vertical loss	0.37 \(\pm\) 0.21	0.65 \(\pm\) 5.49	–
Equia forte fil	Volume loss	0.95 \(\pm\) 0.21^A	1.70 \(\pm\) 5.49^A	0.333
Riva self cure	Vertical loss	0.76 \(\pm\) 2.15	0.60 \(\pm\) 1.79	-
Riva self cure	Volume loss	1.52 \(\pm\) 2.15^A	1.47 \(\pm\) 1.79^AB	0.784

Different upper-case letter shows significant difference between materials in each coating (in a column)

ISSN: 1472-6831