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Year : 2021  |  Volume : 11  |  Issue : 1  |  Page : 187-190

Distraction osteogenesis and customized temporomandibular joint prosthesis in the reconstruction of a large mandibular defect - A case report

1 Department of Oral and Maxillofacial Surgery, Federal Bahia University, Salvador, Bahia, Brazil
2 Department of Propedeutics and Clinical, Federal Bahia University, Salvador, Bahia, Brazil

Correspondence Address:
Dr. Weber Ceo Cavalcante
UFBA Dental School, 62 - Araujo Pinho Ave, Canela, Salvador, BA, 40110-040
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DOI: 10.4103/ams.ams_266_18

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The Rationale: Mandibular resections involve esthetic and functional impairment and impose a challenge during the reconstruction. This case report is a successful reconstruction with distraction osteogenesis (DO) and customized temporomandibular joint (TMJ) prosthesis. Patient Concerns: A 51-year-old male patient presented with a complaint of facial asymmetry, mastication, and speech difficulties. Diagnosis: As the patient had undergone a hemimandibulectomy procedure 20 years ago, clinical examination showed facial asymmetry. Radiographic examination exhibited the defect and a radiopaque image representing Kirschner's wire. Treatment: DO by bone transport was performed, followed by dental implant and TMJ prosthesis placement. Outcomes: DO is a viable treatment option in resections, even when the defect was generated by an ancient injury. The follow-up is around 7 years after the osteogenic distraction, with no complaints and functional capacity. Take-away Lessons: The major challenge in mandibular reconstructions through DO is to reproduce the curve of the arch.

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