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目的：研究在牙齿修复中应用镍铬合金烤瓷的效果。方法收集牙齿损坏患者共53例(共106颗牙)，将其作为观察组，均使用镍铬合金烤瓷进行修复，另收集53例在我院行健康体检者为对照组，统计6个月和1年后血清当中的铬元素和镍元素的含量，以及观察组患者并发症的发生率。结果观察组6个月和1年后血清当中的铬元素和镍元素的含量与对照组相比，无显著差异，跃0.05；106颗修复牙当中，6颗(5.7%)出现了并发症，其中2颗(33.3%)出现食物嵌塞，2颗(33.3%)出现牙龈炎性反应，1颗(16.7%)松动脱落，1颗(16.7%)牙龈变色。结论在牙齿损坏患者的修复治疗中，使用镍铬合金烤瓷的效果较好，且安全性较高。“,”Objective To study and analyze the application of Ni Cr alloy PFM in dental restoration effect.Methods Collect tooth damage in patients with a total of 53 cases (106 teeth),as the observation group,use the Ni Cr alloy porcelain restoration of teeth,another collection of 53 cases in our hospital in healthy volunteers as control group,statistics for half a year and one year after serum chromium and nickel content),and to observe the incidence of complications in patients with.Results In the observation group for half a year and one year after serum Cr and Ni content in the control group compared to no significant difference( >0.05);106 teeth repair,6 teeth(5.7%)complications arise,including 2 stars(33.3%)food impaction,2 teeth (33.3%)appeared gingivitis reaction,1 (16.7%)loose,1 (16.7%)of gingival discoloration.Conclusion In damage to the teeth in the patients treated with repair,with better effect of Ni-Cr alloy porcelain,and the safety is high,but to pay attention to the prevention of food impaction,gingivitis reactivity,teeth loose shedding complications.