Analysis of 2.0 and 3.5 mm Cortical Bone Screw Dimensions [PDF]
Veterinary SciencesInvestigation and quality assessment of veterinary orthopaedic implants are seldom undertaken, despite their critical role in clinical outcomes. Dimensional accuracy is particularly important for screw–bone interface stability.
William T. McCartney +3 more
doaj +2 more sources
A New Technique for Placing Pedicle Screws Into Bone Cement‐Strengthened Vertebrae Involving Drilling and Melting [PDF]
Orthopaedic SurgeryObjective Vertebroplasty with non‐degradable polymethyl methacrylate bone cement is a common procedure in spine surgery. However, this bone cement reinforcement of the vertebral body could affect subsequent spinal surgeries, especially for pedicle screw ...
Yutian Luo +5 more
doaj +2 more sources
A 3-dimensional finite element analysis to evaluate the impact of force direction, insertion angle, and cortical bone thickness on mini-screw and its surrounding bone [PDF]
Journal of Dental Research, Dental Clinics, Dental Prospects, 2021 Background. The present study aimed to assess the stress and strain distribution on mini-screws and the surrounding bone in cases of different cortical bone thicknesses (CBTs), mini-screw insertion angles, and force directions using finite element ...
Omar Nazal Auwer +2 more
doaj +1 more source
Development and Testing of X-Ray Imaging-Enhanced Poly-L-Lactide Bone Screws. [PDF]
PLoS ONE, 2015 Nanosized iron oxide particles exhibit osteogenic and radiopaque properties. Thus, iron oxide (Fe3O4) nanoparticles were incorporated into a biodegradable polymer (poly-L-lactic acid, PLLA) to fabricate a composite bone screw.
Wei-Jen Chang +6 more
doaj +1 more source
Biomechanical Study of 3 Osteoconductive Materials Applied in Pedicle Augmentation and Revision for Osteoporotic Vertebrae: Allograft Bone Particles, Calcium Phosphate Cement, Demineralized Bone Matrix [PDF]
Neurospine, 2023 Objective This study assessed biomechanical properties of pedicle screws enhanced or revised with 3 materials. We aimed to compare the efficacy of these materials in pedicle augmentation and revision.
Chongyu Jia +7 more
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Bone density optimized pedicle screw insertion
Frontiers in Bioengineering and Biotechnology, 2023 Background: Spinal fusion is the most common surgical treatment for the management of degenerative spinal disease. However, complications such as screw loosening lead to painful pseudoarthrosis, and are a common reason for revision. Optimization of screw trajectories to increase implant resistance to mechanical loading is essential.
Christos Tsagkaris +11 more
openaire +5 more sources
Comparison of the bone response to xenogenic bone screws and metallic screws in canine femur
Veterinární Medicína, 2014 The study compared the bone response to xenogenic screws and metallic screws of a similar design in a canine femur. The xenogenic bone screws and metallic bone screws were inserted into the femur diaphyses of dogs. Radiological and histological responses
S.Y. Heo, N.S. Kim
doaj +1 more source
Comparison of the Pullout Strength of Different Pedicle Screw Designs and Augmentation Techniques in an Osteoporotic Bone Model [PDF]
Asian Spine Journal, 2018 Study DesignMechanical study.PurposeTo compare the pullout strength of different screw designs and augmentation techniques in an osteoporotic bone model.Overview of LiteratureAdequate bone screw pullout strength is a common problem among osteoporotic ...
Gorkem Kiyak +3 more
doaj +1 more source
PLoS ONE, 2014 BackgroundVarious fabrication methods are used to improve the stability and osseointegration of screws within the host bone. The aim of this study was to investigate whether roughened surface titanium screws fabricated by electron beam melting can ...
Jun Yang +6 more
doaj +1 more source
Geriatric Orthopaedic Surgery & Rehabilitation, 2020 Introduction: Importance of inferomedial supporting screws in preventing varus collapse has been investigated for the proximal humerus fracture. However, few studies reported the results of osteoporotic complex fracture.
Hyojune Kim MD +8 more
doaj +1 more source