老年人下颌磨牙牙半切除术后修复疗效研究

Observation on tooth hemisection and fixed repairations of the elderly mandibular molars

目的:观察老年人下颌磨牙牙半切除术后修复的疗效。方法:选择50例患者57颗因各种原因而不能完全保留的患牙,根管治疗后进行牙半切除术,桩冠、冠或固定桥修复,观察疗效。评估术前、术后患牙牙周情况、根尖病变大小以及余留牙齿牙槽骨高度变化并进行比较。结果:随访1～3年,成功及有效54颗,失败3颗。结论:牙半切除术后修复治疗老年人下颌磨牙缺损是一种疗效较好、相对经济的序列治疗方法。

Objective To observe the curative effect of postoperative reduction of the mandibular molars in the elderly.Method 50 patients with 57 teeth which were unable to be preserved for various reasons were treated with tooth hemisection and fixed reparations.The effects were observed.The changes of the periodontal circumference,the size of the apical lesions and the alveolar bone height of the teeth were evaluated and compared.Results Followed up for 1 to 3 years,treatments of 54 teeth were successful,but 3 failed.Conclusion Tooth hemisection and fixed reparations of the elderly mandibular molar defect was more efficient,relatively economical sequence of treatment.