Table 2: Materials Used in this Study

Material Lot Number Composition Procedure Manufacturer
iBOND 010092 Acetone, UDMA, TEGDMA, 4-methacryloxyethyltrimellitic anhydride, glutaraldehyde, Photoinitiator Apply and wait for 30 s, Gentle and thorough air-drying and light-cure 20 s Heraeus Kulzer Inc., Hanau, Germany
Clearfil AP-X 00972A Bis-GMA, TEGDMA, Photoinitiator, Barium glass, Silanated colloidal silica (filler content 85.0 wt%) Light-cure 40 s Kuraray Medical Inc., Tokyo, Japan

UDMA, urethane dimethacrylate; TEGDMA, triethylene glycol dimethacrylate; Bis-GMA, bisphenol-A diglycidyl methacrylate;