Chronic periapical periodontitis containing mature human hair shaft: a case report.

UNLABELLED: A case is reported of a 44-year-old male who was referred with persistent pus discharge associated with his UL2 which had been root treated on two occasions. Radiographic examination revealed a radiolucency of approximately 8 mm diameter. An apicectomy was performed and histopathological examination revealed the presence of mature birefringent hair-shaft structures within a chronic periapical periodontitis.

CLINICAL RELEVANCE: This article presents a rare occurrence, the presence of human hair in the periapical tissues.