Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Opterative Dentistry

Summary and Conclusions: The aim of this study is to evaluate the effect of application of grape seed extract crosslinking agent on micro-tensile bond strength of self-etch and etch-and-rinse adhesives to dentin after 24 hours and 3 months aging period. Materials and Methods: A total number of 8 Sound human extracted molars were used in the study. The teeth were washed thoroughly under water, and then scaled using sharp hand scaler to remove any plaque, calculus or soft remnants. The teeth were stored in physiological saline till used The teeth will be divided into 2 equal groups (4 teeth per group) according to the surface treatment .group (A1) refers to control group without using cross-linking agents. Group (A₂) represents specimens after treatment with Grape Seed extract. Then each group will be subdivided into 2 equal subgroups according to adhesive system used into subgroup (B₁) refers to usage of total {u2013}etch adhesive system. Subgroup (B₂) refers to usage of self-etch adhesive system. Then each group will be subdivided into 2 equal classes according to the aging period into class T1 refers to aging after 24 hours, and T2 refers to aging after 3 months

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