Fig. 2From: Evaluation of sphenopalatine ganglion blockade via intra oral route for the management of atypical trigeminal neuralgiaA-27-gauge dental needle was 60° tilted and inserted from 1 cm anterior and 1 cm medial position from the 3rd molar area. Needle was passed through from palatinum majus and it was forwarded to superior-posterior direction for an average 2 cm distanceBack to article page