A Case of a Metal Foreign Object Remaining in the Maxillary Bone for an Extended Period: A Case Report

ABSTRACT We report a rare case in which a metallic foreign body remained undetected in a patient's maxilla for nearly 40 years after a childhood bicycle accident. Despite the accident, the implant remained in place without causing infection due to the lack of imaging studies at the time. The me...

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Main Authors: Koichi Kadoya, Yuki Kunisada, Kyoichi Obata, Hiroaki Takakura, Tatsuo Ogawa, Soichiro Ibaragi
Format: Article
Language:English
Published: Wiley 2025-04-01
Series:Clinical Case Reports
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Online Access:https://doi.org/10.1002/ccr3.9631
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author Koichi Kadoya
Yuki Kunisada
Kyoichi Obata
Hiroaki Takakura
Tatsuo Ogawa
Soichiro Ibaragi
author_facet Koichi Kadoya
Yuki Kunisada
Kyoichi Obata
Hiroaki Takakura
Tatsuo Ogawa
Soichiro Ibaragi
author_sort Koichi Kadoya
collection DOAJ
description ABSTRACT We report a rare case in which a metallic foreign body remained undetected in a patient's maxilla for nearly 40 years after a childhood bicycle accident. Despite the accident, the implant remained in place without causing infection due to the lack of imaging studies at the time. The metal was accidentally discovered during a routine dental imaging examination 40 years later and subsequently surgically removed. This case highlights the importance of comprehensive imaging and the dangers of overlooking foreign bodies, especially in the vulnerable head and neck region. The patient, 53 years old at the time of discovery, presented to the dentist due to discomfort in the palate and nasal cavity. During this visit, radiographs were taken and a foreign body was discovered. Surgical removal of the foreign body revealed significant corrosion and surrounding granulation tissue indicative of foreign body granuloma. Elemental analysis of the foreign body confirmed that it was an iron‐based metal, unlike biocompatible materials such as titanium. These findings reinforce the need for close post‐trauma evaluation and follow‐up, especially in cases of pediatric trauma, to avoid the possibility of long‐term complications arising from unnoticed foreign bodies in anatomically significant areas.
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spelling doaj-art-42dfd77bfb164f068dedab71f52d39de2025-08-20T03:15:05ZengWileyClinical Case Reports2050-09042025-04-01134n/an/a10.1002/ccr3.9631A Case of a Metal Foreign Object Remaining in the Maxillary Bone for an Extended Period: A Case ReportKoichi Kadoya0Yuki Kunisada1Kyoichi Obata2Hiroaki Takakura3Tatsuo Ogawa4Soichiro Ibaragi5Department of Oral and Maxillofacial Surgery Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama JapanDepartment of Oral and Maxillofacial Surgery Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama JapanDepartment of Oral and Maxillofacial Surgery Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama JapanDepartment of Oral and Maxillofacial Surgery Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama JapanDepartment of Oral and Maxillofacial Surgery Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama JapanDepartment of Oral and Maxillofacial Surgery Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Okayama JapanABSTRACT We report a rare case in which a metallic foreign body remained undetected in a patient's maxilla for nearly 40 years after a childhood bicycle accident. Despite the accident, the implant remained in place without causing infection due to the lack of imaging studies at the time. The metal was accidentally discovered during a routine dental imaging examination 40 years later and subsequently surgically removed. This case highlights the importance of comprehensive imaging and the dangers of overlooking foreign bodies, especially in the vulnerable head and neck region. The patient, 53 years old at the time of discovery, presented to the dentist due to discomfort in the palate and nasal cavity. During this visit, radiographs were taken and a foreign body was discovered. Surgical removal of the foreign body revealed significant corrosion and surrounding granulation tissue indicative of foreign body granuloma. Elemental analysis of the foreign body confirmed that it was an iron‐based metal, unlike biocompatible materials such as titanium. These findings reinforce the need for close post‐trauma evaluation and follow‐up, especially in cases of pediatric trauma, to avoid the possibility of long‐term complications arising from unnoticed foreign bodies in anatomically significant areas.https://doi.org/10.1002/ccr3.9631case reportdentistryforeign bodyoral cavitytrauma
spellingShingle Koichi Kadoya
Yuki Kunisada
Kyoichi Obata
Hiroaki Takakura
Tatsuo Ogawa
Soichiro Ibaragi
A Case of a Metal Foreign Object Remaining in the Maxillary Bone for an Extended Period: A Case Report
Clinical Case Reports
case report
dentistry
foreign body
oral cavity
trauma
title A Case of a Metal Foreign Object Remaining in the Maxillary Bone for an Extended Period: A Case Report
title_full A Case of a Metal Foreign Object Remaining in the Maxillary Bone for an Extended Period: A Case Report
title_fullStr A Case of a Metal Foreign Object Remaining in the Maxillary Bone for an Extended Period: A Case Report
title_full_unstemmed A Case of a Metal Foreign Object Remaining in the Maxillary Bone for an Extended Period: A Case Report
title_short A Case of a Metal Foreign Object Remaining in the Maxillary Bone for an Extended Period: A Case Report
title_sort case of a metal foreign object remaining in the maxillary bone for an extended period a case report
topic case report
dentistry
foreign body
oral cavity
trauma
url https://doi.org/10.1002/ccr3.9631
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