牙齿高度磨耗的原因有:1)经常食用含有硬颗粒的粗糙食物,在中亚人,加高加索、中国西藏和非洲人可以见到;2)各种咬(牙合)紊乱,不良修复体,一些学者认为,咬(牙合)不良可见于颞颌关节功能紊乱; The reasons for the high degree of tooth wear are: 1) Regular consumption of coarse food containing hard particles can be seen in Central Asia, Caucasus, Tibet and Africans in China; 2) Various bite disorders, poor prosthetics, Some scholars believe that bite occlusion can be found in the temporomandibular joint dysfunction;