面骨及颅脑损伤常可同时发生。Kiersch及Kautman指出:当治疗颌面部创伤时,口腔外科医师对头部创伤必须有所认识。创伤的程度及其结果常常是不成比例的。头部闭合性损伤可以合并硬脑膜下血肿。硬脑膜下间隙是硬脑膜和蜘蛛膜之间潜在的一个空间。大脑皮层的静脉横过这个间隙向前方引流入矢状窦。如果由头的侧方而 Bone and brain injury can often occur at the same time. Kiersch and Kautman point out that oral surgeons must be aware of head trauma when treating maxillofacial trauma. The degree of trauma and its consequences are often disproportionate. Head closed injury can be combined with subdural hematoma. The subdural space is a potential space between the dura and the arachnoid. The veins of the cerebral cortex drain forward into the sagittal sinus across this gap. If by the side of the head