人类牙齿磨耗指由牙齿在咀嚼和非咀嚼运动过程中,由于牙齿相互间直接接触或牙齿与食物等外来物质接触所造成的齿冠釉质、齿质,甚至齿根骨质的磨耗损失。前者包括相邻的牙齿及上下颌对应的牙齿相互间接触造成的磨耗。后者是牙齿与食物或非食物性物质接触导致的牙齿磨耗。无口腔疾病影响的情况下呈现在人类牙齿上的磨耗实际上通常是由这两种方式共同作用的结果。牙齿磨耗是从牙齿萌出一直到个体死亡持 Tooth abrasion in human teeth refers to the abrasion loss of tooth crown enamel, dentin, and even tooth root bone caused by direct contact between teeth or contact of foreign materials such as teeth with food during chewing and non-chewing movements of teeth. The former includes the adjacent teeth and teeth corresponding to the upper and lower jaws caused by contact with each other wear. The latter is tooth wear caused by contact of the tooth with food or non-food stuff. Abrasion present on human teeth without the effects of oral diseases is in fact usually the result of a combination of these two approaches. Tooth wear is the eruption from the teeth until the death of the individual