Conclusion: Amalgam post and core technique is conservative in restoring molars for its curved root canal, big root furcation, C-shaped root canal and large pulp chamfer.
结论：对于根管弯曲、分叉大、髓室大、C型根管的磨牙，银汞桩核技术有着明显的优势。
Conclusion The cast post core and crown, and glass fiber post and resin core and crown treatment is better than refined screw pile and silver amalgam or resin core nucleus.
结论铸造桩核全冠和玻璃纤维桩树脂核全冠治疗效果优于成品螺纹钉桩加银汞合金核或树脂核全冠。
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