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Rescue of Interfragmentary Compression in Screw Stripping Failures: The Efficacy of NiTiNOL.
J Foot Ankle Surg
January 2025
Enovis Foot & Ankle, Atlanta, GA; Georgia Institute of Technology, Atlanta, GA. Electronic address:
Orthopedic screws are widely used to achieve bone reduction, compression, and construct stability. However, the relationship between insertion torque, interfragmentary compression, and fixation strength, especially when comparing standard screws with NiTiNOL/sustained dynamic compression (SDC), has not been thoroughly investigated. This study measured insertion torque, interfragmentary compression, and fixation strength for two types of headed orthopedic devices-standard and SDC-using solid foam bone replicates and cadaver validation.
View Article and Find Full Text PDFBiomechanical Analysis of Truncated Cone Implants for Maxillary Sinus Lift: An In Vitro Study on Polyurethane Laminas.
Bioengineering (Basel)
January 2025
Department of Medical, Oral and Biotechnological Sciences, "G. D'Annunzio" University of Chieti-Pescara, 66100 Chieti, Italy.
This study aimed to evaluate the biomechanical performance of two truncated cone implant designs in maxillary sinus lift (MSL) procedures using polyurethane laminas. A total of 128 implants were used. Polyurethane laminas were divided into two groups based on thickness (1 and 3 mm) and two subgroups based on density (20 and 30 pounds per cubic foot, PCF).
View Article and Find Full Text PDFThe Effect of Locking Head Inserts on the Biomechanical Properties of a 3.5-mm Broad Locking Compression Plate When Used in an Open Fracture-Gap Model.
Vet Comp Orthop Traumatol
January 2025
School of Engineering, University of Guelph, Guelph, Ontario, Canada.
Objective: To determine the effect of locking head inserts (LHI) on plate strain, stiffness, and deformation when applied to a 3.5-mm broad locking compression plate (LCP) in an open fracture-gap model.
Study Design: Six, 13-hole, 3.
High spin-orbit torque efficiency induced by engineering spin absorption for fully electric-driven magnetization switching.
Mater Horiz
January 2025
School of Materials Science and Engineering, Key Laboratory of Advanced Materials and Devices for Post-Moore Chips, Ministry of Education, University of Science and Technology Beijing, Beijing 100083, China.
Realizing spin-orbit torque (SOT)-driven magnetization switching offers promising opportunities for the advancement of next-generation spintronics. However, the relatively low charge-spin conversion efficiency accompanied by an ultrahigh critical switching current density () remains a significant obstacle to the further development of SOT-based storage elements. Herein, spin absorption engineering at the ferromagnet/nonmagnet interface is firstly proposed to achieve high SOT efficiency in Pt/Co/Ir trilayers.
View Article and Find Full Text PDFComparative evaluation of bone density after implant placement using cone-beam CT analysis in augmented versus non-augmented.
Natl J Maxillofac Surg
November 2024
Department of Prosthodontics, BBD CODS, Lucknow, Uttar Pradesh, India.
Introduction: Dental implants are the most popular alternative to rehabilitation of missing teeth and oro-facial structures. The outcome of such procedures depends on various factors and most-importantly on the osseo-integation with the surrounding bone. The evaluation needs better visualization and evaluation using CBCT anaylsis and determination of HU, using an appropriate software.
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