Effect of Different Surface Modifications of Acrylic Teeth and Thermocycling on Shear Bond Strength to Polycarbonate Denture Base Material

Table 3

Descriptive statistics, one-way ANOVA, and LSD values of the shear bond strength test before and after thermocycling.

Surface treatment	Before thermocycling		ANOVA F-test	value	After thermocycling		Compared groups		values
	Mean	SD			Mean	SD
No treatment (A)	162.5	4.403	43302.158	≤0.01; HS	159.5	3.240	A2	A1	0.061
Mechanical (B)	315.9	3.725			314.5	3.240	B2	B1	0.377
Chemical
Ethyl acetate (C)	266.4	3.502			264	4.197	C2	C1	0.132
A bonding agent (D)	279.5	2.953			276.5	4.197	D2	D1	0.063

No significant difference (). Significant difference (). Highly significant difference ().