K. Walx Al-Hashimi, M., N. Safar, K., & M. Al - Douri, S. . (2005). Radiographic evaluation of the anatomy of endodntically treated maxillary premolars in Iraqi group . Mustansiria Dental Journal, 2(1), 104–107. https://doi.org/10.32828/mdj.v2i1.1054