An Invitro Comparative study of The Effect of the Dental Bleaching on Microleakage around Resin Composite Restorations Using two Defferent Adhesive Systems. Journal of Hama University , [S. l.], v. 4, n. 8, 2021. Disponível em: https://journal.hama-univ.edu.sy/huj/article/view/636. Acesso em: 6 jun. 2026.