title: Cervical sympathetic block following intraoral local anesthesia.
abstract: The sympathetic block of the nerves supplying the head, neck, and arm (Horner's syndrome) resulted from a misdirected intraoral local anesthetic injection. The anatomy of the fascial spaces and the potential risk of infection are discussed.
mesh_terms: D000766:Anesthesia, Dental / Q000009:adverse effects*; D000772:Anesthesia, Local / Q000009:adverse effects*; D005145:Face / Q000294:innervation; D005205:Fascia / Q000033:anatomy & histology; D006732:Horner Syndrome / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D008340:Mandibular Nerve / Q000033:anatomy & histology; D008619:Mepivacaine / Q000009:adverse effects; D009407:Nerve Block / Q000009:adverse effects*; D010614:Pharynx / Q000033:anatomy & histology; D013564:Sympathetic Nervous System / Q000033:anatomy & histology
chemical_list: D008619:Mepivacaine