Methods used to screw and form a silver amalgamcore, re-porcelain dental restoration.
方法先用螺纹钉和银汞合金形成桩核，再行烤瓷牙修复。
2
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。
3
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.