عيسى ن. . and عثمان ط. . (2021) “A comparative clinical study of bone density around zirconia implants (ISSA N.Z.I) ) traditionally loaded and those loaded early and gradually. ”, Tishreen University Journal -Medical Sciences Series, 43(4). Available at: https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/10912 (Accessed: 14May2024).