جحجاح م, منذر حداد. An In-vitro study for comparing sealing quality of Bulk fill and Nano-hybrid composite resin in class II restorations. Tuj-hlth [Internet]. 2023Jul.18 [cited 2024May11];45(3):155-68. Available from: https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/14848