Sabah, Mohammad K, and Luma M Baban. 2013. “Marginal Leakage of Amalgam and Modern Composite Materials Related to Restorative Techniques in Class II Cavity (Comparative Study)”. Journal of Baghdad College of Dentistry 25 (3): 35-42. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/256.