Group I (control) and IV amongst both the subgroups (p=0.129; p=0.131 respectively) (Table 4,5). The graphical representation of the results has been depicted in Graph 1.
Discussion
Sodium ascorbate is a neutral, nontoxic and biocompatible antioxidant that when used as 10% solution can reverse the reduced bond strength of bleached enamel by restoring the altered redox potential.6,11 In the present study, the use of sodium ascorbate (Group III) had resulted in higher bond strength with both, 5th (15.04 MPa) and 7th (8.43 MPa) generation bonding agents, when compared to Group II (12.02MPa, 7.13MPa) in which no antioxidant was used. The results are in line with the findings of previous research done by Kimayi et al15, Bulut et al5 and Lai et al11 Proanthocyanidins are high molecular weight
Group I (control) and IV amongst both the subgroups (p=0.129; p=0.131 respectively) (Table 4,5). The graphical representation of the results has been depicted in Graph 1.DiscussionSodium ascorbate is a neutral, nontoxic and biocompatible antioxidant that when used as 10% solution can reverse the reduced bond strength of bleached enamel by restoring the altered redox potential.6,11 In the present study, the use of sodium ascorbate (Group III) had resulted in higher bond strength with both, 5th (15.04 MPa) and 7th (8.43 MPa) generation bonding agents, when compared to Group II (12.02MPa, 7.13MPa) in which no antioxidant was used. The results are in line with the findings of previous research done by Kimayi et al15, Bulut et al5 and Lai et al11 Proanthocyanidins are high molecular weight
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