Abstract
Background
Disarticulation is indicated when pathologic process involves the condyle or when a body/ramus lesion extends into condylar process. The goal of reconstruction is to reinstate joint mechanism for function and also to restore facial symmetry.
Aim
Retrospective evaluation of functional and aesthetic outcomes in patients with disarticulation defects of mandible treated with concomitant alloplastic temporomandibular joint replacement and microvascular free flap reconstruction.
Materials and Methods
Nine patients (8 benign pathologies and 1 secondary reconstruction for malignant neoplasm), who underwent mandibular resection with condylar disarticulation and reconstruction with Free microvascular flap and Alloplastic total joint replacement between 2015 and 2022 were included in the study. A modified functional intra-oral Glasgow scale (FIGS)2 was used for quality of life (QOL) scoring. Speech, mastication, swallowing, VAS pain score, mouth-opening, occlusion, facial symmetry and overall patient satisfaction were assessed.
Results
8 patients with benign pathology reported excellent outcome with a QOL score of 13–15 in terms of speech, chewing and swallowing. Pre-operative occlusion of native mandible was maintained in all dentulous patients. VAS score of 0–1 was reported. Mouth opening was adequate in all patients. 2 patients reported mild ipsilateral deviation of mandible. Mild facial asymmetry was reported by 2 patients with an overall satisfaction of 8–9. There were no significant intra/post-operative complications in patients with benign pathology. Failure of stock joint was observed in secondary reconstruction for malignant neoplasm.
Conclusion
Microvascular free flap aided stock or custom alloplastic replacement of temporomandibular joint (MS-TJR, ME-TJR) restores function and aesthetics following mandibular resection with disarticulation of condyle.
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Acknowledgment
The authors acknowledge the support received from Department of Craniomaxillofacial Surgery, Department of Head and Neck Surgery and Department of Plastic & Reconstructive Surgery, Amrita Institute of Medical Sciences, Kochi.
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Subash, P., V, V.P., Iyer, S. et al. Concomitant Microvascular Aided Extended Temporo-Mandibular Joint Replacement (ME-TJR) and Stock Temporo-Mandibular Joint Replacement (MS-TJR) During Mandibular Reconstruction. J. Maxillofac. Oral Surg. 22 (Suppl 1), 110–117 (2023). https://doi.org/10.1007/s12663-023-01896-6
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DOI: https://doi.org/10.1007/s12663-023-01896-6