“The Effect of Two Demineralizing Agents on Apical Sealing of Retrograde Filling Materials (In Vitro Study)”. Mustansiria Dental Journal 6, no. 4 (March 27, 2018): 299–306. Accessed April 21, 2025. https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/479.