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目的：了解圆锥型套筒冠义齿修复重度牙周病伴牙列缺损的临床疗效。方法：对１０ 例因重度牙周病所致牙列缺损患者的７９ 颗患牙以牙齿松动度、Ｘ线片、牙周炎症等临床指标进行修复前、修复后６个月的比较分析。结果：７９ 颗患牙经该义齿修复后，其松动度明显降低，修复的总有效率达９２．４％ 。结论：圆锥型套筒冠义齿对患牙和缺牙区的支持组织产生生理性刺激，能延长患牙的寿命，减缓牙槽骨吸收，防止牙周炎症的复发。
Objective: To understand the clinical effect of conical sleeve crown denture in repairing severe periodontal disease with dentition defect. Methods: The clinical data of 79 teeth with dentition defect caused by severe periodontal disease were compared and analyzed 6 months after the repair, including dental mobility, X - ray and periodontal inflammation. Results: The 79 teeth with the denture were repaired, the loosening degree was significantly reduced, the total effective rate of repair was 92.4%. CONCLUSION: Conical sleeve canopy imparts physiological stimuli to the supporting tissues of the affected tooth and the edentulous area, prolongs the life of the affected tooth, reduces the alveolar bone resorption and prevents the recurrence of periodontal inflammation.