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Microsurgical endodontic retreatment of a left maxillary first molar with a separated file: a case report
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- Author:
- No author available
- Journal Title:
- Chinese Journal of Stomatology
- Issue:
- 9
- DOI:
- 10.3760/cma.j.issn.1002-0098.2019.09.011
- Key Word:
- No keyword available
Abstract： 器械分离是根管治疗中常见的并发症.当分离器械完全超出根尖孔时,分离的器械为异物,其上常伴有细菌和牙本质碎屑,可能会产生炎症反应,从而影响疗效.本文报道的病例为左上第一磨牙在初次根管治疗过程中发生器械分离且分离器械完全超出根尖孔,随访观察发现根尖周病变持续存在,随后采用显微根尖外科手术取出根尖外分离的器械并清除感染,最终获得良好疗效.
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