目的评价螺纹钉加光固化复合体修复前牙切角缺损的临床疗效。方法将48例56颗患牙以螺纹钉固位,光固化复合体进行修复,修复后24个月复查,临床观察充填物形态、色泽及临床症状,据此判断效果。结果优良率达到89.3%,效果满意。结论螺纹钉加光固化复合体适用于前牙切角缺损的修复。 Objective To evaluate the clinical efficacy of thread nail plus light-cured composite in repairing anterior incision angle defect. Methods Forty-eight patients (56 teeth) were treated with screw-fastening and light-curing complex, and were reviewed 24 months after the repair. The shape, color and clinical symptoms of the filling were observed clinically. Results excellent rate of 89.3%, the effect is satisfactory. Conclusion Screw thread plus light-curing composite is suitable for the repair of anterior incision angle defect.