口腔颌面部深在诸多间隙是常易感染蔓延的部位之处,龋齿、牙周病、颌骨骨髓炎,甚至外伤及血源性病源菌等,亦是其感染的病因之一。急性期,起病急骤,局部表现为红、肿、热、痛和功能障碍,可伴发烧,白血细胞升高等病理改变主要为变质、渗出和增生反应。炎症可产生软组织肿胀,浆液 Oral and maxillofacial deep in many gaps is often the site of spread of infection, dental caries, periodontal disease, osteomyelitis of the jaw, and even trauma and blood-borne pathogenic bacteria, is also one of the causes of infection. Acute, rapid onset, local performance of redness, swelling, heat, pain and dysfunction, may be associated with fever, white blood cells and other pathological changes are mainly metamorphosis, exudation and hyperplasia. Inflammation can produce soft tissue swelling, serous