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目的:评价上前牙美容性牙冠延长术联合贵金属烤瓷冠修复的临床效果,分析影响其稳定性的主要因素,并探寻术后最佳修复时机。方法:对40例患者46颗上前牙行冠延长术,术后6个月行贵金属烤瓷冠永久修复,并随访至修复后1年。于术前、术后6周、术后6个月(修复前)、修复后6个月和1年随访观察并记录评价指标。结果:修复后1年颈缘适合性好,未出现牙周组织病变,牙龈颜色无明显染色。外观良好美观。结论:上前牙美容性牙冠延长术联合贵金属烤瓷冠修复可以达到良好的美容修复目的。
OBJECTIVE: To evaluate the clinical effect of anterior crowned cosmetic crowns combined with porcelain-fused-to-metal crown restoration, and to analyze the main factors influencing its stability and to explore the best postoperative timing of repair. Methods: Forty - six patients with 46 anterior teeth were treated with crown extension. The porcelain fused permanent metal crowns were permanently repaired 6 months after operation and were followed up for one year after repair. Preoperative, postoperative 6 weeks, postoperative 6 months (before repair), 6 months after repair and 1 year follow-up observed and recorded evaluation index. Results: 1 year after repair neck margin good, no periodontal tissue lesions, no significant staining of gum color. Good appearance and beautiful appearance. Conclusion: The cosmetic crown extension combined with precious metal porcelain crown restoration can achieve a good cosmetic repair purposes.