Objective To study the location of the accessory foramina of the mandible and assess the possible route of spread of the tumour cell to the mandible.

• 目的研究下颌副孔的位置,探讨肿瘤细胞向下颌骨的播散途径。方法对82例下颌骨内、外侧面下颌副孔进行研究并统计分析。结果各标本之间下颌副孔数差异很大。