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Article: Long-term stability of jaw reconstruction with microvascular bone flaps: A prospective longitudinal study
Title | Long-term stability of jaw reconstruction with microvascular bone flaps: A prospective longitudinal study |
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Authors | |
Keywords | 3D printing Computer-assisted surgery Dental rehabilitation Free flap reconstruction Functional reconstruction Jaw reconstruction Long-term outcome Stability |
Issue Date | 1-May-2024 |
Publisher | Elsevier |
Citation | Oral Oncology, 2024, v. 152 How to Cite? |
Abstract | ObjectivesMicrovascular bone flap jaw reconstruction has achieved satisfactory clinical outcomes. However, little is known about the long-term stability of the reconstructed jaw. This prospective longitudinal study aimed to investigate the long-term stability of jaw reconstruction and factors that were associated with it. MethodsPatients with successful computer-assisted osseous free-flap jaw reconstruction in the Department of Oral and Maxillofacial Surgery, Queen Mary Hospital, Hong Kong were recruited for this prospective longitudinal study. The three-dimensional jaw models at the pre-operative plan, post-operative 1-month, and 2 years were aligned and compared. ResultsA total of 69 patients were recruited, among which 48 patients were available for the long-term analysis. Compared to 1-month after surgery, further deviation from the pre-operative plan was observed at post-operative 2 years. Lack of accuracy in surgery, segmental mandible resection especially with the involvement of mandible angles, and post-operative radiation therapy were identified as the significant factors affecting the positional stability of the reconstructed jaw (p < 0.05). Stable reconstruction was observed in the subgroup analysis of patients without post-operative radiation therapy. ConclusionUp to the best of our knowledge, this is the first prospective longitudinal study reporting the long-term stability of jaw reconstruction and its affecting factors. Our data demonstrated that the reconstructed jaw position lacked stability over the postoperative period. How to improve long-term stability of reconstructed jaw thus optimize the functional outcomes warrants further studies. |
Persistent Identifier | http://hdl.handle.net/10722/344072 |
ISSN | 2023 Impact Factor: 4.0 2023 SCImago Journal Rankings: 1.257 |
DC Field | Value | Language |
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dc.contributor.author | Pu, Jingya Jane | - |
dc.contributor.author | Choi, Wing Shan | - |
dc.contributor.author | Wong, May CM | - |
dc.contributor.author | Wu, Songying | - |
dc.contributor.author | Leung, Pui Hang | - |
dc.contributor.author | Yang, Wei-fa | - |
dc.contributor.author | Su, Yu-Xiong | - |
dc.date.accessioned | 2024-06-27T01:07:08Z | - |
dc.date.available | 2024-06-27T01:07:08Z | - |
dc.date.issued | 2024-05-01 | - |
dc.identifier.citation | Oral Oncology, 2024, v. 152 | - |
dc.identifier.issn | 1368-8375 | - |
dc.identifier.uri | http://hdl.handle.net/10722/344072 | - |
dc.description.abstract | <h3>Objectives</h3><p>Microvascular bone flap jaw reconstruction has achieved satisfactory clinical outcomes. However, little is known about the long-term stability of the reconstructed jaw. This prospective longitudinal study aimed to investigate the long-term stability of jaw reconstruction and factors that were associated with it.</p><h3>Methods</h3><p>Patients with successful computer-assisted osseous free-flap jaw reconstruction in the Department of Oral and Maxillofacial Surgery, Queen Mary Hospital, Hong Kong were recruited for this prospective longitudinal study. The three-dimensional jaw models at the pre-operative plan, post-operative 1-month, and 2 years were aligned and compared.</p><h3>Results</h3><p>A total of 69 patients were recruited, among which 48 patients were available for the long-term analysis. Compared to 1-month after surgery, further deviation from the pre-operative plan was observed at post-operative 2 years. Lack of accuracy in surgery, segmental mandible resection especially with the involvement of mandible angles, and post-operative radiation therapy were identified as the significant factors affecting the positional stability of the reconstructed jaw (p < 0.05). Stable reconstruction was observed in the subgroup analysis of patients without post-operative radiation therapy.</p><h3>Conclusion</h3><p>Up to the best of our knowledge, this is the first prospective longitudinal study reporting the long-term stability of jaw reconstruction and its affecting factors. Our data demonstrated that the reconstructed jaw position lacked stability over the postoperative period. How to improve long-term stability of reconstructed jaw thus optimize the functional outcomes warrants further studies.</p> | - |
dc.language | eng | - |
dc.publisher | Elsevier | - |
dc.relation.ispartof | Oral Oncology | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | 3D printing | - |
dc.subject | Computer-assisted surgery | - |
dc.subject | Dental rehabilitation | - |
dc.subject | Free flap reconstruction | - |
dc.subject | Functional reconstruction | - |
dc.subject | Jaw reconstruction | - |
dc.subject | Long-term outcome | - |
dc.subject | Stability | - |
dc.title | Long-term stability of jaw reconstruction with microvascular bone flaps: A prospective longitudinal study | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.oraloncology.2024.106780 | - |
dc.identifier.scopus | eid_2-s2.0-85189480827 | - |
dc.identifier.volume | 152 | - |
dc.identifier.eissn | 1879-0593 | - |
dc.identifier.issnl | 1368-8375 | - |