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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.
An Optimal Scalp Rotation Flap Design: Mathematical and Bio-Mechanical Analysis.
JPRAS Open
March 2025
Plastic and Reconstructive Surgery Department, Alfred Health.
The design and implementation of successful rotational flaps of the scalp remains a complex process. There are several described techniques, all of which are based on a two-dimension surface, absent consideration of the convexity, and thereby three-dimensional nature of the scalp. This has contributed to flaps that are either too small or unnecessarily large in a bid to compensate.
View Article and Find Full Text PDFTowards constructing a generalized structural 3D breathing human lung model based on experimental volumes, pressures, and strains.
PLoS Comput Biol
January 2025
Department of Mechanical Engineering, University of California Riverside, Riverside, California, United States of America.
Respiratory diseases represent a significant healthcare burden, as evidenced by the devastating impact of COVID-19. Biophysical models offer the possibility to anticipate system behavior and provide insights into physiological functions, advancements which are comparatively and notably nascent when it comes to pulmonary mechanics research. In this context, an Inverse Finite Element Analysis (IFEA) pipeline is developed to construct the first continuously ventilated three-dimensional structurally representative pulmonary model informed by both organ- and tissue-level breathing experiments from a cadaveric human lung.
View Article and Find Full Text PDFMechanical response of elevated bridge piles to adjacent deep excavation.
Sci Rep
January 2025
School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China.
In urban concentrated area, the disturbance caused by construction affects significantly the sustainability of adjacent existing structures. It is essential to capture the mechanical response of existing structures to adjacent deep excavation. The objective of this paper is to investigate the displacement and internal force behavior of elevated bridge piles (BP) subject to influence of deep excavation.
View Article and Find Full Text PDFA finite element analysis to assess tibial bone fracture in malleolar regions following total ankle replacement: Influences of implant designs and implant-bone interfacial conditions.
Foot Ankle Surg
January 2025
Biomechanics Research Laboratory, School of Mechanical & Materials Engineering, Indian Institute of Technology Mandi, Mandi, Himachal Pradesh 175075, India. Electronic address:
Background: Tibial bone fractures in the malleolar regions are a major concern during the early postoperative period of total ankle replacement (TAR), affecting patient outcomes such as stability and recovery. Design, placement, and anatomic misalignment of implant components can contribute to malleolar fractures. The aim of this study is to understand the influence of implant design features, including keel, peg, stem, and bar type design, and bone-implant interfacial conditions on malleolar fracture following TAR.
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