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Inferior alveolar nerve injury due to intrusion of root canal sealer: a case report

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Author:
No author available
Journal Title:
Chinese Journal of Stomatology
Issue:
2
DOI:
10.3760/cma.j.issn.1002-0098.2017.02.011
Key Word:
No keyword available

Abstract: 下牙槽神经损伤是口腔治疗过程中罕见的并发症之一.下颌第三磨牙拔除术是临床上造成下牙槽神经损伤的主要原因.根管治疗导致下牙槽神经损伤的情况在临床上较少见.首都医科大学口腔医学院收治1例由根管超填引起的下牙槽神经损伤病例,报道如下.1.病例资料:患者女性,30岁,2个月前于外院行左下后牙根管治疗后自觉左下唇麻木不适,感觉异常.1个月前就诊于首都医科大学口腔医学院口腔颌面外科,诊断为“下牙槽神经损伤”,遵医嘱服用神经营养药腺苷钴胺片后症状好转,但并未完全消失,遂再次就诊.检查可见医(8)面暂封物完整,边缘密合,叩痛(-),不松动,牙龈未见明显异常.左下唇无肿胀不适等异常,有痛觉.曲面体层X线片及锥形束CT片示:(8)根管内充填物影像,根尖处下颌神经管内见长约4 mm条状充填物影像(图1).

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