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Three-dimensional Finite Element Analysis of Implant Prosthesis After Mandibular Reconstruction by Upper Distal Free Double-Barrel Fibula.
J Craniofac Surg
January 2025
Department of Oral and Maxillofacial & Head and Neck Oncology, Capital Medical University School of Stomatology, Beijing, China.
Objective: This study aimed to compare the biomechanics of implant prostheses and peri-implant bone among 6 different mandibular reconstruction models based on patient data involving the use of an upper free-end double-barrel fibula.
Methods: This study was an observational study. Five models were reconstructed using fibular-supported and implant-supported partial dentures.
Open Ankle Injury without Associated Fracture or Dislocation Requiring Surgical Intervention: A Case Report.
J Orthop Case Rep
January 2025
Department of Orthopaedics, University of Toledo Medical Center, Ohio, USA.
Introduction: Bony and ligamentous ankle injuries are some of the most commonly treated injuries by orthopedic surgeons. Open ligamentous ankle injuries without an associated fracture or dislocation are rare and to our knowledge have only sparsely been described in the literature. We present a case and successful treatment of an open lateral ankle injury with capsular rupture and ligamentous damage without fracture or dislocation in a 22-year-old female.
View Article and Find Full Text PDFA non-metallic PEEK topology optimization reconstruction implant for large mandibular continuity defects, validated using the MANDYBILATOR apparatus.
Sci Rep
January 2025
Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Hanzeplein 1, P.O. Box 30.001, 9700 RB, Groningen, The Netherlands.
In cases of large mandibular continuity defects resulting from malignancy resection, the current standard of care involves using patient-specific/custom titanium reconstruction plates along with autogenous grafts (fibula, scapula, or iliac crest segments). However, when grafts are not feasible or desired, only the reconstruction plate is used to bridge the gap. Unfortunately, metal osteosynthesis and reconstruction plates, including titanium, exhibit adverse effects such as stress-shielding and limitations in accurate postoperative irradiation (especially with proton-beam therapy).
View Article and Find Full Text PDFThe tibiofibular mortise - anatomical controversies and their clinical importance: a historical and pictorial essay.
Int Orthop
January 2025
Institute of Anatomy, First Faculty of Medicine, Charles University, U Nemocnice 3, Prague 2, Prague, Czech Republic.
Introduction: During 280 years of studies of the anatomy of the distal tibiofibular articulation, there have arisen many unclear issues regarding the description of individual structures and their terminology. These historical inaccuracies were subsequently reflected in the clinical practice.
Materials And Methods: A literature search of original publications and historical sources was performed.
Weightbearing Computed Tomography Evaluation of Acute SER4a Ankle Fractures.
Foot Ankle Int
January 2025
Orthopaedic Surgery, Cedars-Sinai Medical Center, Los Angeles, CA, USA.
Article Synopsis
- SER4a ankle fractures involve intricate treatment challenges due to complications with the medial clear space, focusing on quantifying joint parameters through weightbearing CT scans.
- Ten patients with isolated Weber B fibula fractures were studied, revealing consistent abnormal measurements in the medial clear space and differences in rotation and translation of the injured ankle.
- While joint contact area appeared unchanged between injured and uninjured ankles, significant increases in external rotation and lateral translation were noted, leaving clinical implications of these findings still unclear.
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