Zand V, Salem Milani A, Hassani Dehkharghani A, Rahbar M, Tehranchi P. Treatment of Necrotic Teeth Using Two Engine-Driven Systems and Patient’s Postoperative Pain: A Double-Blind Clinical Trial. Iran Endod J [Internet]. 2016 Sep. 1 [cited 2026 Jul. 8];11(4):267-72. Available from: https://journals.sbmu.ac.ir/iej/article/view/11868