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Case Report
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J Korean Dent Assoc. 2025;63(9):309-315. Published online September 30, 2025.
DOI: https://doi.org/10.22974/jkda.2025.63.9.005
- Iatrogenic extrusion of endodontic materials into the inferior alveolar nerve during endodontic procedures: A case series
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Bumju Kim
, Jae-Yeon Choi
, Yong-Dae Kwon
, Byung-Joon Choi
, Bong-Jin Jeong
, Junghye Hwang
, Joo-Young Ohe
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Department of Oral and Maxillofacial Surgery, College of Dentistry, Kyung Hee University, Seoul, Korea
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- Corresponding author: Joo-Young Ohe Tel: +82-2-958-9360, Email: ojyoung81@khu.ac.kr
- Received: August 2, 2025; Revised: August 19, 2025 Accepted: September 8, 2025.
- Abstract
- This case series analyzes five patients treated at the Department of Oral and Maxillofacial Surgery at Kyung Hee University Dental Hospital for iatrogenic inferior alveolar nerve injuries caused by the extrusion of endodontic materials (calcium hydroxide paste and an MTA-based sealer). The study evaluates the clinical characteristics, symptom onset, anatomical injury distribution, and treatment outcomes for each case. By identifying patterns in radiographic and symptomatic findings, it aims to clarify the degree of nerve involvement and explores how the physicochemical properties of each material affect the perineural space. Through a review of recovery patterns following both surgical and conservative management, the report serves as a practical reference for clinicians. Ultimately, it emphasizes the critical importance of meticulous technique in root canal procedures and the ne-cessity of timely diagnostic imaging when nerve injury is suspected.
Keywords :Mandibular Nerve Injuries; Endodontics; Dental Materials
