Shahi, S.; Asghari, V.; Rahimi, S.; Lotfi, M.; Samiei, M.; Yavari, H.; Shakouie, S.; Nezafati, S. Postoperative Pain After Endodontic Treatment of Asymptomatic Teeth Using Rotary Instruments: A Randomized Clinical Trial. Iran Endod J 2016, 11, 38-43.