Adhesive Bond Integrity of Experimental Zinc Oxide Nanoparticles Incorporated Dentin Adhesive: An SEM, EDX, μTBS, and Rheometric Analysis

Table 1

Means and standard deviations for bond strength and failure modes among the study groups.

	μTBS (MPa) (mean ± SD)			Failure mode analysis (%)
Group ()	NTC	TC	value	Adhesive	Cohesive	Mixed
0% ZnO	^aA	—	<0.01	100	0	0
	—	^aA		100	0	0
5.0 wt.% ZnO	^bA	—		70	0	30
	—	^bB		80	0	20
10.0 wt.% ZnO	^bB	—		80	0	20
	—	^bB		100	0	0

TC: thermocycling; NTC: no thermocycling; ZnO: zinc oxide. ANOVA. Dissimilar lower case letters in the same column indicate statistical significance. Dissimilar capital letters in a row (same group) indicate statistical significance.