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目的探讨老年人根管治疗失败的原因,使老年人根管治疗的成功率有所提高。方法收集2010～2013年我院接诊的根管治疗失败的老年患者30例,根据患者症状、体征、X线检查分析判断导致治疗失败的原因。结果患牙III°松动3例,冠折、根折、充填物脱落12例,继发龋4例,根管欠填7例,牙根纵裂1例,根管内器械折断1例,遗漏根管2例。结论老年人根管治疗失败的主要原因为患者自身因素的影响、牙周组织的改变、髓腔及根管增龄性变化、咬合关系紊乱等。
Objective To investigate the causes of failure of root canal therapy in the elderly and to improve the success rate of root canal therapy in the elderly. Methods A total of 30 elderly patients with failed root canal treatment during 2010-2013 were collected. According to the symptoms, signs and X-ray examination, the causes of treatment failure were analyzed. Results There were 3 cases of loosening III ° of the affected teeth, 12 cases of crown fracture, root fracture and filling loss, 4 cases of secondary caries, 7 cases of root canal under-filling, 1 case of root longitudinal cleft, 1 case of root canal broken, 1 missing root Tube in 2 cases. Conclusion The main reasons for the failure of root canal therapy in the elderly are the influence of the patient’s own factors, the change of periodontal tissue, the age-related changes of medullary cavity and root canal, and the occlusion relationship.