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目的分析应用临时性树脂罩冠(罩冠设计治疗通道)提高外伤性冠折露髓盖髓成功率的可能性,并评价其实际应用价值。方法对47例61颗因外伤致牙冠破折暴露活髓者,应用氢氧化钙糊剂直接盖髓,同时装戴设有直达外伤露髓创面的治疗通道的临时性治疗树脂罩冠。盖髓术后3周无任何症状者,则安装烤瓷永久全冠或金属全冠以取代临时性治疗树脂罩冠。结果 47例61颗外伤冠折暴露正常活髓,应用上述盖髓方法随访1~2 a,盖髓成功率96.72%(59/61)。结论应用(带有治疗通道)临时性塑胶冠可以提高外伤冠折露髓直接盖髓术的成功率。
Objective To analyze the possibility of improving the success rate of pulp capping in traumatic capitis by using temporary resin cap (cap design and treatment channel), and to evaluate its practical value. Methods Totally 61 proboscis crowns were exposed in 47 cases of tooth crowns due to trauma. Carapace was directly coated with calcium hydroxide paste, and a temporary resin sheath was installed to treat the wounds with direct access to traumatic exposed wounds. 3 weeks after capping operation without any symptoms, the installation of permanent porcelain permanent crown or metal crown to replace the temporary treatment of resin cap. Results Forty-seven cases of 61 traumatic lesions were exposed to normal vital pulp. The capping method was followed up for 1-2 years and the success rate of capping was 96.72% (59/61). Conclusions The application of temporary plastic crowns (with treatment access) can improve the success rate of direct pulp capping with traumatic crown fold demyelination.