Mehdi, D. J. A., Al-Zaka, D. I. M. and Saeed, D. M. H. (2018) “The effect of Hand Stainless-Steel and NiTi Rotary file on vertical root fracture”., Mustansiria Dental Journal, 8(2), pp. 86–92. doi: 10.32828/mdj.v8i2.291.