The wear mechanisms of the composite fretting of mandible cortical bone were the combination of the adhesive wear, abrasive wear, cracking and lubrication of the human bone tissue debris.

• 下颌骨复合微动的磨损机制表现为粘着磨损、磨粒磨损、裂纹的扩展及组织碎屑润滑等共同作用的特征。