compared to 7th Generation bonding agent, in all the four groups. A significant reduction in the shear bond strength can be seen in Group II after bleaching as compared to the control group (Group I) in which no bleaching was done. The bond strength was found to be higher after the use of sodium ascorbate and grape seed extract as antioxidants. The values were significantly higher in Group IV in which grape seed extract was used when compared to Group II and III (p