老年人根管治疗失败30例原因分析

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、咬舍关系紊乱等。

Reason Analysis of 30 Cases of Root Canal Treat Ment Failure in the Edlerly

Object i ve To improve root canal treatment for the elderly by analyzing reasons for the unsuccessful cases.Method Analyzing symptoms,physical signs and accessory examination based on 30 unsuccessful cases of root canal treatment for the elderly in the hospital from 2010 ~ 2013.Resu It 3 cases of loose defective teeth Ⅲ° ,12 cases of defective teeth with crown fractures,root fractures and restoration falling,4 cases of recurrent earies,7eases of lack of filling of root canal,1 case of vertical root fractures,l case of root canal instrument fracture,2 cases of missed root canal.Conclus i on Unsuccessful root canal treatment for the elderly is attributed tophysical conditions of patients,aging changes of medullary cavity and root canals,changes in periodontal tissue and a disorder of occluding relation.