and anaphylactic reactions mostly affect the cardiovascular and the central nervous system. 1 Localized complications include, among others, hematoma formation with the risk of trismus or infection, needle breakage, persistent postinjection paresthesia, soft tissue necrosis, spread of infection, self-inflicted soft tissue trauma, and ocular complications. 1 A rarely reported in the literature, yet alarming, localized neurologic complication after inferior dental nerve block anesthesia is facial nerve palsy.
The paralysis could be either immediate or delayed