Fig. 1From: Nerve block using local anesthetic and dexmedetomidine in patients undergoing functional endoscopic sinus surgeryRegional nerve block including A endonasal anterior ethmoidal nerve block. B Transoral sphenopalatine ganglion block. (ML, maxillary line; MT, middle turbinate; NS, nasal septum; MAX. T, maxillary teeth)Back to article page