太极扣附着体覆盖义齿修复牙列缺损25例临床效果分析

Clinical application of sterngold attachment overdenture in 25 cases

目的评价太极扣附着体用于牙列缺损修复的临床效果。方法选择2006年4月至2011年9月北京黄寺美容外科医院总装备部牙科中心拟行覆盖义齿修复的牙列缺损患者25例，对基牙进行完善的根管治疗和牙周治疗，制作以太极扣附着体为固位体的覆盖义齿。患者戴用义齿后每半年复诊1次，追踪随访，通过对口内、X线的检查和修复体的戴用情况评估患者的满意度。结果戴用义齿后随访1—4年，21例患者对义齿的美观性、稳固性、咀嚼功能及牙周健康均感到满意，4例患者出现牙龈炎和牙槽骨吸收问题。结论太极扣附着体覆盖义齿是一种美观、经济、固位稳定好的修复方式。

Objective To investigate the effect of sterngold attachment overdenture in clinical application for dentition defect. Methods Twenty-five cases of dentition defect were chosen with suitable indications. Root canal therapy and periodontal treatment were performed to all abutments. Before restoring dentition defect, casting root post with the negative part of sterngold attachment was made. After clinical try-in, impression taking, the overdentures with the positive part of sterngold attachment were completed. Finally the fixed parts with attachment were cemented on the abutments. The positive part which was one of nylon material was inset in the overdenture. The retention of sterngold attachment is due to friction between the positive part and the negative part. The patients received follow-up examination every six months which included the function of the dentures, oral tissue, X-ray and the satisfaction to the dentures. Results After the follow-up of 1 to 4 years, 21 cases of the patients were satisfied with the dentures in esthetic, retention, normal function and healthy periodontium. Four cases of patients had gingival inflammation and alveolar bone absorption problems. All dentures were used continually and there were no failures. Conclusion sterngold attachment overdenture is an esthetic, economical and reliable way to restore dentition defect.