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

Table 3

Linear mixed-effects model to determine the effect of adhesive and treatment on microtensile strength.

	Numerator df	Denominator df	F
Intercept	1	348	6523.7	<0.001
Adhesive†	2	348	18.4	<0.001
Treatment ‡	3	348	0.9	0.412
AdhesiveTreatment	6	348	0.4	0.902

Statistically significant with ; ^†use of either a ExciTE, ENA Bond, or Scotchbond universal adhesive; ^‡dentin treatment with only acid etching (control group), hydroabrasion at 3 bar with minimum aluminium oxide particle flow (HA/3), hydroabrasion at 5 bar with medium aluminium oxide particle flow (HA/5), or hydroabrasion at 7 bar with maximum aluminium oxide particle flow (HA/7).