Al-Sabbagh, N. . A., & Al-Huwaizi, H. . . F. (2013). Evaluation of the effect of root canal preparation size and flaring on the depth of irrigant penetration (In vitro study) . Journal of Baghdad College of Dentistry, 25(2), 31-35. https://jbcd.uobaghdad.edu.iq/index.php/jbcd/article/view/224