Methods: After being treated with root canal therapy, 146 extensively damaged short molar crowns were reconstructed by golden alloy post inlays.All cases were reguired to recheck once a year.

• 方法：对146颗后牙残冠经完善根管治疗后，制作贵金属合金带桩嵌体，修复完成后，每年复查1次。