Table 2 Clinical protocol of adhesive application in the three groups tested
Technique | Clinical sequence |
|---|---|
Etch-and-rinse (ER) | - Total acid etching for 30s in enamel and 15s in dentin; - Abundant washing for 10s with water jet and removal of humidity excess with absorbent paper; - Application of the adhesive for 20s; - Air jet for 5s; - Photopolymerization for 20s. |
Selective Enamel Etch (SEE) | - Selective acid etching in enamel for 30s; - Abundant washing for 10s with water jet and removal of humidity excess with absorbent paper; - Application of the adhesive for 20s; - Air jet for 5s; - Photopolymerization for 20s. |
Self-Etch (SE) | - Application of the adhesive for 20s; - Air jet for 5s; - Photopolymerization for 20s. |