preparation of occlusal surface 合面预备
mesial-occlusal surface 近中牙合面
working occlusal surface 咬合工作面
metallic occlusal surface 金属牙合面
balancing occlusal surface 平衡牙合面
occlusal surface of teeth 牙咬合面
Objective:To investigate the influence of occlusal surface morphology on stress distribution in the base of maxillary complete dentures(MCD).
目的：探讨异常牙合面形态对上颌全口义齿基托应力分布状况的影响。
Objective: to observe the effects of different root canal file and the restoration of occlusal surface on the fracture resistance of premolars.
目的：观察不同根管锉预备根管及不同面充填物对前磨牙牙体抗折强度的影响。
Serious tooth defect which involved cuspid, incisal Angle, marginal ridge and occlusal surface can't be filled and need occlusal reconstruction.
各种严重的牙体缺损已涉及牙尖、切角、边缘嵴以及合面，需要咬合重建而不能使用一般充填修复者。
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