RESULTS: After inserting crowns, both TNF-α and IL-6 concentrations increased, and the TNF-α level of subgingival group was higher than that of gingival crest group, while the level of IL-6 was of no significant difference. 结果:已修复牙的局部龈沟液中IL-6和TNF-α较修复前都有显著增高,TNF-α的浓度龈下边缘组比平龈组增加更为明显,而IL-6在两组间没有明显差别。