患者女 ,４８岁 ,因左侧头痛２天就诊。不伴恶心、呕吐、头晕、手足麻木、耳鸣等。头呈持续性疼痛 ,先后在他院作脑电图、地形图、头颅ＣＴ ,均无异常发现 ,诊为“偏头痛”１０余年。长期应用天麻丸、谷维素、复合维生素Ｂ。查体发现左上第三磨牙只剩一残根、牙周牙龈充血、肿 Female patient, 48 years old, 2 days due to left headache treatment. Not accompanied by nausea, vomiting, dizziness, numbness of hands and feet, tinnitus and so on. Head was persistent pain, successively in his hospital EEG, topography, head CT, no abnormal findings, diagnosed as “migraine” for more than 10 years. Long-term application Tianma pills, oryzanol, vitamin B complex. Physical examination revealed that the left upper third molars left only a residual root, periodontal gingival congestion, swollen