Table 2.

The gels were compared to the reductions in dentinal permeability between the conditions by two-way ANOVA.

	df	MS	df	SS	F-ratio	P
	effect	effect	error	error
Gels	2	187.9275	36	3.0799	49.1870	0.0000*
Conditions	3	63.6139	116	10.0409	16.6481	0.00000*
Interaction	6	18.5951	108	4.9125	4.8664	0.00011*

df: Degrees of freedom; MS: Mean square; SS: Standard error.

*Significant differences.