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目的探讨钴铬合金烤瓷全冠修复对患牙牙周组织的影响。方法选择2007年4月至2008年10月来沈阳市沈河区牙病防治所应用钴铬合金烤瓷全冠修复的患者39例(106颗患牙),修复前和修复后6、12个月分别进行常规龈沟出血指数(SBI)检查,龈沟液(GCF)称量,GCF中白细胞介素-1β(IL-1β)和肿瘤坏死因子-α(TNF-α)质量浓度的检测。结果修复前牙的患者患牙SBI、GCF质量、GCF中IL-1β和TNF-α的质量浓度修复前与修复后6个月比较差异无统计学意义(P>0.05),与修复后12个月比较差异有统计学意义(P<0.05);修复后牙的患者患牙SBI、GCF质量修复前与修复后6个月比较差异无统计学意义(P>0.05),与修复后12个月比较差异有统计学意义(P<0.05);修复后牙的患者患牙GCF中IL-1β和TNF-α的质量浓度修复前与修复后6个月和修复后12个月比较差异均无统计学意义(P>0.05)。结论采用钴铬合金烤瓷全冠修复前牙,修复时间超过12个月时,对SBI、GCF质量和GCF中IL-1β和TNF-α的质量浓度有显著影响;修复后牙,修复时间超过12个月时,对SBI、GCF质量有显著影响,而对GCF中IL-1β和TNF-α的质量浓度无明显影响。
Objective To investigate the effect of cobalt-chromium ceramic crowns on the periodontal tissues of the affected teeth. Methods From April 2007 to October 2008, 39 cases (106 teeth) of patients who received the cobalt-chromium alloy porcelain crown restoration from the Dental Prevention and Control Institute of Shenhe District, Shenyang City were selected before repair and 6,12 months after repair The levels of IL-1β and TNF-α in GCF were determined by routine SBG, GCF, and GCF respectively. Results There was no significant difference in the quality of SBI and GCF, IL-1β and TNF-α in GCF between the two groups before repair and 6 months after repair (P> 0.05) (P <0.05). There was no significant difference in SBI and GCF quality between the two groups (P> 0.05), but there was no significant difference between the two groups (P> 0.05) (P <0.05). The mass concentration of IL-1β and TNF-α in GCF of the patients with restoration of posterior teeth had no statistical difference before and after 6 months and 12 months after repair Significance (P> 0.05). Conclusions The restoration of anterior teeth with the cobalt-chromium alloy crown can improve the quality of SBI and GCF and the concentration of IL-1β and TNF-α in the GCF after repairing the anterior teeth more than 12 months. At 12 months, there was a significant effect on the quality of SBI and GCF, but no significant effect on the concentration of IL-1β and TNF-α in GCF.