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目的探讨烤瓷冠崩瓷后不同处理方法的临床应用。方法选取89例102颗崩瓷患牙,分别采取拆除重做A组(66颗)和复合树脂口内直接修补法B组(36颗)。结果 A组经临床观察6个月～2 a未再出现崩瓷现象,成功率100%。B组随访6个月时脱落率为11.4%,1.5～2 a后脱落率为82%。结论拆除重做的远期临床效果优于口内直接修补法。
Objective To investigate the clinical application of different treatment methods after porcelain crowns collapse. Methods A total of 102 102 cases of collapsed teeth were selected and divided into group A (66) and group B (36). Results A group of clinical observation of 6 months to 2 a no collapse phenomenon occurred again, the success rate of 100%. In group B, the rate of shedding was 11.4% at 6 months of follow-up and 82% after 1.5-2 days. Conclusion The long-term clinical effect of demolition redo is better than the direct in-mouth repair method.