| Summary: | A fractured instrument is an undesirable endodontic mishap that can prevent complete root canal disinfection, thereby affecting the root canal treatment outcome. The present case discussed the surgical management of an extruded fractured barbed broach at the apical third of maxillary right first premolar. A 28-year-old female presented with an endodontic failure on tooth 14 and was diagnosed as previously root canal treated with symptomatic apical periodontitis. Radiographic examination revealed a straight-line radiopacity structure that was 2 mm in length extruded from the apical root-end, suggesting a fractured instrument. The case was successfully managed through endodontic microsurgery. The present case emphasises the significance of cone-beam computed tomography as a valuable tool for diagnosis and investigation, while also offering supplementary information for the planning of surgical treatment. © Penerbit Universiti Sains Malaysia. 2023. This work is licensed under the terms of the Creative Commons Attribution (CC BY) (http://creativecommons.org/licenses/by/4.0/).
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