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目的:观察分根术加全冠修复大面积髓室底穿孔磨牙的临床疗效。方法:门诊收治陈旧性大面积髓室底穿孔(直径>3 mm)的磨牙病例120例。随机分成实验组60例,对照组60例。实验组采用分根术加全冠修复治疗,对照组采用光固化型氢氧化钙,磷酸锌粘固粉垫底,银汞充填。全冠修复治疗。结果:随访3~5年,实验组成功率83.33%,有效率96.67%,对照组成功率43.33%,有效率83.33%。实验组临床疗效明显优于对照组(P<0.01)。结论:分根术加全冠修复大面积髓室底穿孔磨牙具有较好的临床疗效。
Objective: To observe the clinical effect of root-sapping and crown-wide restoration of large-area perforation molars. Methods: Outpatients admitted to the old large area of pulp chamber perforation (diameter> 3 mm) of the molar cases of 120 cases. Randomly divided into experimental group 60 cases, control group 60 cases. The experimental group was treated with root-grafting and crown restoration, while the control group was treated with light-curing calcium hydroxide, zinc phosphate cement, and amalgam filling. Full crown repair treatment. Results: The follow-up of 3 to 5 years, the experimental group success rate of 83.33%, the effective rate was 96.67%, the control group success rate of 43.33%, the effective rate of 83.33%. The clinical efficacy of the experimental group was significantly better than that of the control group (P <0.01). Conclusion: Radical and total crown restoration of large area perforation of pulp chamber has a good clinical effect.