Objective: to establish the Photoelastic Model of the abutment and periodontal tissue of mandibular unilateral distal-extension edentulous restored by cantilever fixed bridge.
目的：建立单端固定桥修复下颌游离缺失的基牙及其牙周支持组织光弹模型。
Objective: to establish the Photoelastic Model of the abutment and periodontal tissue of mandibular unilateral distal-extension edentulous restored by cantilever fixed bridge.
目的：建立单端固定桥修复下颌游离缺失的基牙及其牙周支持组织光弹模型。
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