Method The casting post core was made to use PFM again.
方法：采用铸造桩核的方法达到重新制作的目的。
Objective To cast post core investment by indirect method.
目的 ：用间接法制作铸造桩核熔模。
Conclusion to save the tissue of tooth and restore the defect with cast post-core.
结论：应尽量保存牙体组织，其不足部分用核桩恢复。
Conclusion to save the tissue of tooth and restore the defect with cast post-core.
结论：应尽量保存牙体组织，其不足部分用核桩恢复。
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