Comparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction

ObjectivesThis retrospective study compared two mandibular reconstruction procedures—conventional reconstruction plates (CR) and patient-specific implants (PSI)—and evaluated their accuracy of reconstruction and clinical outcome.MethodsOverall, 94 patients had undergone mandibular reconstruction wit...

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Autores principales:	Henriette L. Möllmann, Laura Apeltrath, Nadia Karnatz, Max Wilkat, Erik Riedel, Daman Deep Singh, Majeed Rana
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	mandibular reconstruction CAS PSI reconstruction plate virtual planning Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282
Acceso en línea:	https://doaj.org/article/d4408ad865dd4ac4975c55985ac9ec59
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spelling	oai:doaj.org-article:d4408ad865dd4ac4975c55985ac9ec592021-12-01T04:19:05ZComparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction2234-943X10.3389/fonc.2021.719028https://doaj.org/article/d4408ad865dd4ac4975c55985ac9ec592021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fonc.2021.719028/fullhttps://doaj.org/toc/2234-943XObjectivesThis retrospective study compared two mandibular reconstruction procedures—conventional reconstruction plates (CR) and patient-specific implants (PSI)—and evaluated their accuracy of reconstruction and clinical outcome.MethodsOverall, 94 patients had undergone mandibular reconstruction with CR (n = 48) and PSI (n = 46). Six detectable and replicable anatomical reference points, identified via computer tomography, were used for defining the mandibular dimensions. The accuracy of reconstruction was assessed using pre- and postoperative differences.ResultsIn the CR group, the largest difference was at the lateral point of the condyle mandibulae (D2) -1.56 mm (SD = 3.8). In the PSI group, the largest difference between preoperative and postoperative measurement was shown at the processus coronoid (D5) with +1.86 mm (SD = 6.0). Significant differences within the groups in pre- and postoperative measurements were identified at the gonion (D6) [t(56) = -2.217; p = .031 <.05]. In the CR group, the difference was 1.5 (SD = 3.9) and in the PSI group -1.04 (SD = 4.9). CR did not demonstrate a higher risk of plate fractures and post-operative complications compared to PSI.ConclusionFor reconstructing mandibular defects, CR and PSI are eligible. In each case, the advantages and disadvantages of these approaches must be assessed. The functional and esthetic outcome of mandibular reconstruction significantly improves with the experience of the surgeon in conducting microvascular grafts and familiarity with computer-assisted surgery. Interoperator variability can be reduced, and training of younger surgeons involved in planning can be reaching better outcomes in the future.Henriette L. MöllmannLaura ApeltrathNadia KarnatzMax WilkatErik RiedelDaman Deep SinghMajeed RanaFrontiers Media S.A.articlemandibular reconstructionCASPSIreconstruction platevirtual planningNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENFrontiers in Oncology, Vol 11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	mandibular reconstruction CAS PSI reconstruction plate virtual planning Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282
spellingShingle	mandibular reconstruction CAS PSI reconstruction plate virtual planning Neoplasms. Tumors. Oncology. Including cancer and carcinogens RC254-282 Henriette L. Möllmann Laura Apeltrath Nadia Karnatz Max Wilkat Erik Riedel Daman Deep Singh Majeed Rana Comparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction
description	ObjectivesThis retrospective study compared two mandibular reconstruction procedures—conventional reconstruction plates (CR) and patient-specific implants (PSI)—and evaluated their accuracy of reconstruction and clinical outcome.MethodsOverall, 94 patients had undergone mandibular reconstruction with CR (n = 48) and PSI (n = 46). Six detectable and replicable anatomical reference points, identified via computer tomography, were used for defining the mandibular dimensions. The accuracy of reconstruction was assessed using pre- and postoperative differences.ResultsIn the CR group, the largest difference was at the lateral point of the condyle mandibulae (D2) -1.56 mm (SD = 3.8). In the PSI group, the largest difference between preoperative and postoperative measurement was shown at the processus coronoid (D5) with +1.86 mm (SD = 6.0). Significant differences within the groups in pre- and postoperative measurements were identified at the gonion (D6) [t(56) = -2.217; p = .031 <.05]. In the CR group, the difference was 1.5 (SD = 3.9) and in the PSI group -1.04 (SD = 4.9). CR did not demonstrate a higher risk of plate fractures and post-operative complications compared to PSI.ConclusionFor reconstructing mandibular defects, CR and PSI are eligible. In each case, the advantages and disadvantages of these approaches must be assessed. The functional and esthetic outcome of mandibular reconstruction significantly improves with the experience of the surgeon in conducting microvascular grafts and familiarity with computer-assisted surgery. Interoperator variability can be reduced, and training of younger surgeons involved in planning can be reaching better outcomes in the future.
format	article
author	Henriette L. Möllmann Laura Apeltrath Nadia Karnatz Max Wilkat Erik Riedel Daman Deep Singh Majeed Rana
author_facet	Henriette L. Möllmann Laura Apeltrath Nadia Karnatz Max Wilkat Erik Riedel Daman Deep Singh Majeed Rana
author_sort	Henriette L. Möllmann
title	Comparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction
title_short	Comparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction
title_full	Comparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction
title_fullStr	Comparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction
title_full_unstemmed	Comparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction
title_sort	comparison of the accuracy and clinical parameters of patient-specific and conventionally bended plates for mandibular reconstruction
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/d4408ad865dd4ac4975c55985ac9ec59
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Comparison of the Accuracy and Clinical Parameters of Patient-Specific and Conventionally Bended Plates for Mandibular Reconstruction

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