高空脊
The upper bony ridge of the human nose.
鼻梁人鼻的上端''.'骨质'. ''梁架.
Results: The attritional degree in upper first molar was in the order of mesial, distal lingual cusp> mesial, distal marginal ridge> mesial, distal buccal cusp.
结果:上颌第一磨牙磨耗程度由重到轻排序:近、远舌尖>近、远中边缘嵴>近、远颊尖;
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