Shekarchizade, N.; Shafa, A.; Tarrahi, M. J. .; Nafari, N.; Maglitto, M.; Valletta, A. Effect of Fentanyl on the Success of Inferior Alveolar Nerve Block for Teeth With Symptomatic Irreversible Pulpitis: A Randomized Clinical Trial: Efficacy of Lidocaine Combined With Fentanyl for IANB. G Ital Endodon 2022, 36.