Microtensile Bond Strength of Etch-and-Rinse Adhesives in Different Hydroabrasion Conditionings

Table 2

Descriptive statistics for microtensile strength of different groups with different dentin treatment.

Adhesive	Treatment
	Control		HA/3		HA/5		HA/7
	Mean ± SD	Normality test	Mean ± SD	Normality test	Mean ± SD	Normality test	Mean ± SD	Normality test
EXC (n = 120)	27.7 ± 10.8	0.100	27.9 ± 6.3	0.015	28.5 ± 7.9	0.003	30.6 ± 11.9	0.014
ENA (n = 120)	32.5 ± 6.4	0.015	30.7 ± 6.4	0.028	31.1 ± 6.6	0.451	32.9 ± 7.4	0.001
UNI (n = 120)	33.9 ± 4.9	0.141	34.2 ± 4.9	0.080	35.1 ± 5.9	0.012	34.8 ± 6.2	0.021

Mean ± standard deviation in MPa. value from the Shapiro–Wilk normality test. HA/3, hydroabrasion conditioning with an air pressure of 3 bar and a minimum aluminium oxide particle flow; HA/5, hydroabrasion conditioning with an air pressure of 5 bar and a medium aluminium oxide particle flow; HA/7, hydroabrasion conditioning with an air pressure of 7 bar and a maximum aluminium oxide particle flow; EXC, ExciTE DSC, Ivoclar Vivadent AG, Schaan/Liechtenstein; ENA, ENA Bond, Micerium, Genova, Italy; UNI, Scotchbond Universal, 3M Oral Care, Seefeld, Germany.