An In Vitro Study on the Shear Bond Strength of Feldspathic Porcelain to Nickel Chromium Alloy and Cobalt Chromium Alloy after Various Surface Treatments

Table 3

Overall comparison of shear bond strength of Co-Cr alloy samples using ANOVA.

	Mean	Standard deviation	Minimum	Maximum	N
Group 1	45.8	1.18	44.06	47.82	10
Group 2	52.2	1.80	50.14	55.68	10
Group 3	65.0	1.54	61.23	66.56	10
Group 4	56.2	0.83	54.82	57.11	10
f value	333.714				Total = 40
value	0.001

, significant; , highly significant; , very highly significant; , not significant.