Primary reconstruction of resected proximal mandibular segments: a novel protocol using patient-specific poly ether-ether ketone (peek) condylar replicas
El-Hawary, H., Mounir, M., Mounir, S., Gibaly, A. (2019). Primary reconstruction of resected proximal mandibular segments: a novel protocol using patient-specific poly ether-ether ketone (peek) condylar replicas. EKB Journal Management System, 10(2), 77-84. doi: 10.21608/omx.2020.21932.1046
Hesham El-Hawary; Mohamed Mounir; Samy Mounir; Amr Gibaly. "Primary reconstruction of resected proximal mandibular segments: a novel protocol using patient-specific poly ether-ether ketone (peek) condylar replicas". EKB Journal Management System, 10, 2, 2019, 77-84. doi: 10.21608/omx.2020.21932.1046
El-Hawary, H., Mounir, M., Mounir, S., Gibaly, A. (2019). 'Primary reconstruction of resected proximal mandibular segments: a novel protocol using patient-specific poly ether-ether ketone (peek) condylar replicas', EKB Journal Management System, 10(2), pp. 77-84. doi: 10.21608/omx.2020.21932.1046
El-Hawary, H., Mounir, M., Mounir, S., Gibaly, A. Primary reconstruction of resected proximal mandibular segments: a novel protocol using patient-specific poly ether-ether ketone (peek) condylar replicas. EKB Journal Management System, 2019; 10(2): 77-84. doi: 10.21608/omx.2020.21932.1046

Primary reconstruction of resected proximal mandibular segments: a novel protocol using patient-specific poly ether-ether ketone (peek) condylar replicas

Egyptian Journal of Oral and Maxillofacial Surgery
Article 5, Volume 10, Issue 2, April 2019, Page 77-84  XML PDF (1.14 MB)
Document Type: Original Article
DOI: 10.21608/omx.2020.21932.1046
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Authors
Hesham El-Hawary* 1; Mohamed Mounir1; Samy Mounir2; Amr Gibaly3
1Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Cairo University, Cairo,
2Department of Oral and Maxillofacial Surgery, MSA University, Sixth of October,
3Department of Oral and Maxillofacial Surgery, Faculty of Dentistry ,Beni-Suef University, Beni-Suef, Egypt
Abstract
Purpose: This study aims to evaluate the efficiency of computer-aided design and computer-aided manufacturing
(CAD/CAM), mirror-imaged Polyetheretherketone (PEEK) assembly that aimed to duplicate both of the exact
anatomic position and the configuration of the resected mandibular condyle, post segmental proximal tumor resection.
Methods: Five patients were included in the study; diagnosed for mandibular ramus locally aggressive tumors, involving or markedly jeopardizing the mandibular condyles. All of the patients were subjected to a fully guided reconstructive protocol that implements guided resection, guided alignment of a pre-bent reconstruction plate, secured to a (CAD/CAM) fabricated, mirror-imaged (PEEK), looking forward to duplicating both of the anatomic location and the configuration of the amputated mandibular ramus and condyle.
Results: Clinical evaluation revealed acceptable recovery of the maximal mouth opening and limited postoperative
malocclusion and mandibular deviation. The computed radiographic superimposition between the virtual plane and the oneweek postoperative C.T. revealed decreased linear condyle displacement in both the mediolateral and anteroposterior directions versus an increased linear vertical displacement and decreased axial angular rotation versus increased sagittal angular rotation. The replication between the virtually planned condylar location and that surgically duplicated was judged as good to excellent among all the cases.
Conclusion: The novel simulation and allocation of the customized (PEEK) assembly represents a simple and efficient
modality to reconstruct both of the lost condylar position and configuration. However, the anterior extension of the resected proximal mandibular segment deemed determinant to the success of the identical surgical execution of the virtual preplanned arrangement.
Keywords
CAD/CAM; Computer guided surgery; Patient specific cutting guides; PEEK; TMJ reconstruction
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