. 2018 Sep 3;43(4):e40. doi: 10.5395/rde.2018.43.e40

Table 2. Bond strength values in MPa and the results of multiple comparisons, according to the 2 variables of restorative material and cement type.

Restorative material	Cement
Restorative material	VAR	RXU	PAN
ENA	10.70 ± 3.40^Aa	19.58 ± 4.61^Ba	19.40 ± 7.87^Bb
LAV	27.45 ± 5.84^Cb	20.23 ± 3.32^Ba	10.67 ± 4.37^Aa
GRA	13.45 ± 6.04^Aa	27.40 ± 5.39^Cb	19.20 ± 5.83^Bb

Data are shown as means ± standard deviations (n = 18). The values in each column and row with different superscript letters are significantly different at a 95% level of confidence. Differences within each row are shown in uppercase superscript letters and differences within each column are shown in lowercase superscript letters.

GRA, GC Gradia, GC Corp., Tokyo, Japan; ENA, Enamic, Vita Zahnfabrik, Bad Sackingen, Germany; LAV, Lava Ultimate, 3M ESPE, St. Paul, MN, USA; VAR, Variolink N, Vivadent/Ivoclar, Schaan, Liechtenstein; RXU, RelyX U200, 3M ESPE; PAN, Panavia F2, Kuraray Noritake Dental Inc., Okayama, Japan.