This work is a clinical case report of a patient presenting with marked tooth wear in all teeth, a reduction in the vertical dimension of occlusion, and fatigue in the muscles of mastication.
这项工作是一个在所有牙齿明显牙齿磨损，在咬合垂直距离减少病人的临床症状的情况提出报告，并在咀嚼的肌肉疲劳。
The helical plate tooth threshing cylinder, the top thresh fan and the undershot fan are connected and driven by a vertical shaft.
该机以一根立轴联接螺旋板齿脱粒滚筒、上排杂风扇和下轴流风扇，并驱动其旋转。
Horizontal brushing at right angles to the vertical axis of the teeth result in the severest loss of tooth substance.
已知水平刷法（垂直牙齿）会造成最严重的牙齿表面磨耗。
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