IPS Empress 2全瓷冠修复的临床应用

目的评价IPS Empress 2全瓷冠修复技术修复上颌前牙的临床效果。方法将56例患者172颗牙分成两组,试验组30例86颗牙,以IPS Empress 2全瓷冠修复技术修复;对照组26例86颗牙,以镍铬合金烤瓷冠修复。采用根据美国加州牙科协会修定的评价标准,对其临床结果进行追踪评价。结果经3年的临床观察,试验组在颜色满意程度、边缘适合性、边缘变色、术后敏感、牙龈着色、牙龈反应方面均优干对照组(P<0.01或0.05),修复体完整度方面,两组差异无显著性(P>0.05)。结论IPS Empress 2全瓷冠修复技术治疗牙列缺损、缺失和变色的临床效果令人满意。

Clinical application of IPS Empress2 all porcelain crowns restoration

Objective To evaluate the clinical results of IPS Empress2 all porcelain crowns restoration tech- nique in restoration of premaxillary teeth.Methods A total of 56 patients (172 teeth) were randomly divided into two groups:in the experimental group,30 patients of 86 teeth were restored with IPS Empress 2 all porcelain crown restoration;and in the control group,26 patients of 86 teeth were restored with nichrome baked ceramic crown.The California Dental Association quality assessment evaluation system was used for assessment of the clinical results. Results After 3-year clinical follow-up,in the experimental group,color stability,margin adequacy,marginal discoloration,post-operative sensitivity,gingival coloration and gum reaction were considered more satisfactory, compared to the control group,there were statistically significant differences (P<0.01 or 0.05),and in the pros- thesis integrity,there was no statistically significant difference (P>0.05).Conclusion The results of IPS Em- press2 all porcelain crowns restoration are satisfactory in treatment of dental defect,deletion and discoloration.