Document Classification

Section Type: METHODS

Text: Middle dentin was exposed in 30 extracted molars and randomly divided into six groups : (1) AEB applied as per manufacturer 's directions ; (2) as in AEB, but one coat of hydrophobic resin (HR) was applied and cured over AEB (AEB+HR) ; (3) etching with 35 % H3PO4 for 15 seconds followed by AEB (Etch + AEB) ; (4) as in group Etch + AEB, but one coat of HR was applied and cured over AEB (Etch + AEB+HR) ; (5) Adper Single Bond Plus, the 2-step etch - & - rinse adhesive control (ASB) ; (6) Adper Scotchbond Multi-Purpose, the 3-step etch - & - rinse adhesive control (SBMP).