Effect of Ceramic Surface Treatment and Adhesive Systems on Bond Strength of Metallic Brackets

Table 3

The statistic results of an analysis of variance (ANOVA) of shear bond strength upon each variable tested.

Source	SS	df	MS	F	value
CERAMIC	296.796	2	148.398	12.210	0.000
SURFACE	1324.515	1	1324.515	108.977	0.000
CEMENT	758.385	2	379.192	31.199	0.000
CERAMICSURFACE	62.675	2	31.337	2.578	0.079
CERAMICCEMENT	208.197	4	52.049	4.282	0.003
SURFACECEMENT	19.510	2	9.755	0.803	0.045
CERAMICSURFACECEMENT	113.792	4	28.448	2.341	0.057
Error	1968.953	162	12.154

SS: sum of square; df: degree of freedom; MS: mean square; F: F value; p value: probability value.