治疗结束后，暂时充填髓腔，两周后改行光固化充填。
After the bleaching ended, the chamber was temporarily sealed for two weeks.
光固化树脂充填后可能出现不同程度的牙髓反应。
The dental pulp reaction will appear in different degree after the light curing composite is filled.
结论根管治疗后用光固化树脂充填前磨牙的各类洞，牙体的抗折强度优于用银汞充填者。
Conclusion the fracture strength of premolar teeth filled with light curing composite resin was higher than filled with amalgam after root canal therapy.
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