下颌智齿多为垂直阻生,近中阻生和水平阻生,颊,舌阻生较少,倒置阻生伴颔骨骨髓炎较为罕见。现将倒置垂直阻生伴颌骨骨髓炎1例报告如下。患者纪某某,女,64岁,农民。因下颌骨下缘反复肿痛,经切开引流,溢脓4月不愈来我科就诊。查体:全省情况较差,在下颔1cm,下颌骨下缘有1cm长的瘘管口,约2.5cm深,溢 Most of mandibular wisdom teeth are vertically impacted, with near and distal impaction and horizontal impaction, less cheek and tongue obstruction, and inverted impaction with tarsal osteomyelitis are rare. Now inverted vertical obstruction with mandibular osteomyelitis reported as follows. Ji Ji Mou, female, 64 years old, farmer. Repeated swelling and pain due to the lower edge of the mandible, the incision and drainage, overflow pus April unhealed treatment of our department. Physical examination: the situation in the province is poor, in the next 颔 1cm, the lower edge of the mandible 1cm long fistula mouth, about 2.5cm deep, overflow