Examining the role of grape seed extract in enhancing collagen crosslinking and its effect on the shear bond strength of Universal adhesive to contaminated dentine. MDJ [Internet]. 2025 Dec. 30 [cited 2026 Jun. 4];21(2):252-77. Available from: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/1190