Objective To investigate the clinical rapid and low-costing repairing of the broken porcelain-fused-metal(PFM)crown due to the fracture of abutment and dowel.

• 目的对基牙或桩钉折断而致烤瓷牙完全脱落的患者,在最短的时间内,花最小成本,用适当修复方法,即时有效的恢复患者的功能。