下颌后牙游离端缺失种植固定桥连接体横截面适宜受力面积研究
하합후아유리단결실충식고정교련접체횡절면괄의수력면적연구
The appropriate area of cross section area of attachment body in the fixed bridge supported by implant in restoring mandibular single side distal free-end edentulism
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