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A biomechanical study of locking spongious screws and failure rates are higher than expected in plate fixation.
Sci Rep
January 2025
Departmant of Orthopedics and Traumatology, Liv Ulus Hospital, Istanbul, Turkey.
Locking plates have a rapidly growing process especially in the past decades and results are satisfactory especially in the osteoporotic bones compared to non-locking compression plates. There are many forms of failure in the fracture fixation of locking plates, and screw pull-out is one of the main failure reasons. In this study, we aim to investigate pull-out failure in locking plates using locking spongious screws.
View Article and Find Full Text PDFMandibular Reconstruction With a Patient-Specific Implant Following Surgical Excision of an Acanthomatous Ameloblastoma in a Dog.
J Vet Dent
January 2025
Department of Dentistry, Oral and Maxillo-facial Surgery, Eastcott Veterinary Referrals, Part of Linnaeus Group, Swindon, UK.
Canine acanthomatous ameloblastoma (CAA) is an invasive benign epithelial odontogenic tumour most commonly affecting the mandible of large breed dogs. To the author's knowledge, this report describes the first computer-aided design patient-specific implant (PSI) that has been placed for a critical sized bone defect in mandibular reconstruction of a dog in the UK. The aim was to restore mandibular stability using a regenerative approach combining a titanium locking plate and compression-resistant matrix infused with recombinant human bone morphogenetic protein-2 (rhBMP-2) to bridge the 85 mm mandibular defect created by a segmental mandibulectomy.
View Article and Find Full Text PDFFemoral neck system (FNS) versus 4 cannulated compression screws (CCSs) in the treatment of young patients with Pauwels type III femoral neck fracture: a retrospective comparative study.
J Orthop Surg Res
January 2025
Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, 116011, Liaoning Province, China.
Objective: This study aimed to evaluate the clinical effectiveness of the femoral neck system (FNS) compared to four cannulated compression screws (CCSs) for managing Pauwels type III femoral neck fractures in young patients.
Methods: A retrospective analysis was conducted on young patients with Pauwels type III femoral neck fractures treated at our hospital from January 2021 to December 2022. Patients were categorized into two groups based on their respective internal fixation methods: the FNS group (32 cases) and the CCSs group (41 cases).
Treatment of posterolateral tibial plateau fractures through the articular line approach.
BMC Musculoskelet Disord
January 2025
Department of Orthopedics, Lishui Central Hospital, Zhejiang, 323000, China.
Background: Posterolateral tibial plateau fractures pose significant challenges for orthopedic surgeons due to the anatomical risks associated with the posterolateral approach. Despite numerous surgical techniques available, there lacks a consensus on the optimal approach.
Methods: Articular line incision approach was employed on 12 patients suffering from posterolateral tibial plateau fractures.
Biomechanical simulation of bed turning post-acetabular fracture fixation.
Sci Rep
January 2025
Department of Orthopaedic, South China Hospital of Shenzhen University, Shenzhen, 518116, Guangdong, China.
Before patients begin out-of-bed exercises following internal fixation surgery for acetabular fractures, turning over in bed serves as a crucial intervention to mitigate complications associated with prolonged bed rest. However, data on the safety of this maneuver post-surgery are limited, and the biomechanical evidence remains unclear. This study aims to introduce a novel loading protocol designed to preliminarily simulate the action of turning over in bed and to compare the biomechanical properties of two fixation methods for acetabular fractures under this new protocol.
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