Table 2
Adhesion techniques for each study subgroup.
| (1) Subgroup
SE (control) | Primer of adhesive system Optibond Versa (SE) was applied with microbrush rubbing the surface of the dentin for 20 seconds as indicated by the manufacturer’s instructions. |
| (2) Subgroup
NaOCl/SE | 5.25% NaOCl to dentine surface was applied, rubbing for one minute, and then dried with absorbent paper and SE was applied for 20 seconds as explained above. |
| | (3) Subgroup NaOCl/SE + NaAg | Dentine surface with 5.25% NaOCl rubbing for one minute and then drying with absorbent paper. Placed on a tray 5 μL of SE and 5 μL silver nanoparticle solution were added 0.1% (Martínez-Castañon, 2008); the mixture was brought to the dentin surface by rubbing with a microbrush for 20 seconds. |
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