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Introduction <p>Temporomandibular joint ankylosis (TMJA) is a pathological condition characterized by restricted mouth opening, most frequently resulting from trauma, infection, or inflammatory disease. Management options include autogenous reconstruction or alloplastic total joint replacement. In recent years, custom-made prostheses have emerged as a valuable solution, especially in anatomically complex cases. The aim of this article is to present a rare pediatric case of bilateral TMJ ankylosis treated with custom prostheses and to review existing literature.</p> Case Presentation <p>We report the case of a 16-year-old male presenting with severe bilateral TMJ ankylosis, a maximal incisal opening (MIO) of 1&#xa0;cm, and significant functional impairment two years after facial trauma. Bilateral ankylotic masses were excised and reconstructed using custom-made total joint prostheses planned through virtual surgical simulation. </p> Discussion <p>Stock prostheses may not adequately adapt to patient-specific anatomy, whereas custom-made devices provide a tailored solution that enhances precision, function, and long-term outcomes. In this case, bilateral coronoidectomy and preoperative tracheostomy were necessary to optimize access and safety. Postoperatively, the patient achieved an MIO of 3&#xa0;cm with no peri- or postoperative complications. A review of the literature revealed limited reports of bilateral pediatric cases treated with custom prostheses.</p> Conclusion <p>Custom-made TMJ prostheses offer a reliable and effective treatment option for complex ankylosis, including bilateral involvement in pediatric patients. This case highlights the role of patient-specific approaches in improving surgical precision, functional outcomes, and overall quality of life.</p>

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A Pediatric Case of Bilateral Custom Made Prostheses of TMJ and Literature Review

  • 期刊论文

  • 发表日期：

    2026年3月14日

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  • E. Lupi,
  • A. Battisti,
  • F. Maesa,
  • P. Paolo,
  • F. Giovannetti

摘要

Introduction

Temporomandibular joint ankylosis (TMJA) is a pathological condition characterized by restricted mouth opening, most frequently resulting from trauma, infection, or inflammatory disease. Management options include autogenous reconstruction or alloplastic total joint replacement. In recent years, custom-made prostheses have emerged as a valuable solution, especially in anatomically complex cases. The aim of this article is to present a rare pediatric case of bilateral TMJ ankylosis treated with custom prostheses and to review existing literature.

Case Presentation

We report the case of a 16-year-old male presenting with severe bilateral TMJ ankylosis, a maximal incisal opening (MIO) of 1 cm, and significant functional impairment two years after facial trauma. Bilateral ankylotic masses were excised and reconstructed using custom-made total joint prostheses planned through virtual surgical simulation.

Discussion

Stock prostheses may not adequately adapt to patient-specific anatomy, whereas custom-made devices provide a tailored solution that enhances precision, function, and long-term outcomes. In this case, bilateral coronoidectomy and preoperative tracheostomy were necessary to optimize access and safety. Postoperatively, the patient achieved an MIO of 3 cm with no peri- or postoperative complications. A review of the literature revealed limited reports of bilateral pediatric cases treated with custom prostheses.

Conclusion

Custom-made TMJ prostheses offer a reliable and effective treatment option for complex ankylosis, including bilateral involvement in pediatric patients. This case highlights the role of patient-specific approaches in improving surgical precision, functional outcomes, and overall quality of life.