Overview Effect of Sufentanil on the Rate of Anesthesia Status: Completed Trial end date: 2011-10-01 Target enrollment: Participant gender: Summary The aim of this study was to compare the effects of Lidocaine/epinephrine with and without Sufentanil on the rate of anesthesia after supplemental intraligamentary injection (PDL) in teeth with irreversible pulpitis. Phase: Phase 2 Details Lead Sponsor: Islamic Azad University, TehranTreatments: EpinephrineEpinephryl borateLidocaineRacepinephrineSufentanil