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The antibiofilm effect and mechanism of silver nanowire-modified glass ionomer cement against multi-species oral biofilm.
BMC Oral Health
January 2025
Department of Stomatology, School of Medicine, Xiamen University, Xiamen, China.
Background: To investigate the antibiofilm effect and mechanism of the silver nanowire (AgNW)-modified glass ionomer cement (GIC) against multi-species oral biofilm, and to examine the mechanical and biochemical properties of this novel GIC material.
Methods: Conventional GIC was incorporated with different concentrations of AgNW and silver nanoparticles (AgNP). Multi-species biofilms of Streptococcus mutans, Streptococcus sobrinus, Lactobacillus fermentum, and Lactobacillus rhamnosus were cultured for 72 h on GIC specimens.
Image-guided Interventions for Core Muscle Injury and Other Disorders in the Pubic Symphysis.
Radiographics
February 2025
Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Rd, Ottawa, ON, Canada K1H 8L6 (D.V.F., J.L.); Department of Radiology, Radiation Oncology and Medical Physics, Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada (D.V.F., J.L.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F., J.L.); and Department of Radiology, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada (T.M.).
Formerly termed or , core muscle injury (CMI) encompasses abnormality of structures within the so-called core, which is essentially the hip, abdomen, and pubis. Compared with data on image-guided procedures of other joints, information regarding procedures performed to address CMI and other disorders of the pubic symphysis is lacking. These procedures can be daunting given the joint's small size, surrounding critical neurovascular structures, and three-dimensional anatomy.
View Article and Find Full Text PDFUsing three-zone flexible cones at the metaphyseal-diaphyseal junction may avoid the need for distal femoral replacement: The floating cone technique.
Knee
December 2024
Orthopedic Surgery and Traumatology, Hospital Clínic de Barcelona, Barcelona, Spain.
Distal femoral replacement (DFR) with megaprostheses is a salvage revision total knee arthroplasty (rTKA) procedure indicated in cases with massive bone defects in the distal femur. As long as these implants achieve fixation only in the diaphysis, the high aseptic loosening rate reported in some series is probably related to a lack of rotational stability. Two patients with extensive distal femoral bone defects with preservation of the metaphyseal-diaphyseal junction underwent rTKA.
View Article and Find Full Text PDFExperimental study and model prediction of the influence of different factors on the mechanical properties of saline clay.
Sci Rep
January 2025
College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, 311 East Nongda Rd, Urumqi, 830052, China.
Water conveyance channels in cold and arid regions pass through several saline-alkali soil areas. Canal water leakage exacerbates the salt expansion traits of such soil, damaging canal slope lining structures. To investigate the mechanical properties of saline clay, this study conducted indoor tests, including direct shear, compression, and permeation tests, and scanning electron microscopy (SEM) analysis of soil samples from typical sites.
View Article and Find Full Text PDFTriaxial behavior and microstructural insights of loose sandy soil stabilized with alkali activated slag.
Sci Rep
January 2025
Department of Civil and Environmental Engineering, Amirkabir University of Technology, Tehran, Iran.
This study investigates the mechanical and microstructural properties of loose sandy soil stabilized with alkali-activated Ground Granulated Blast Furnace Slag (GGBFS). To examine the effects of varying GGBFS contents, curing times, and confining pressures on mechanical behavior, undrained triaxial and unconfined compressive strength (UCS) tests were conducted. Microstructural analyses using FE-SEM, EDX, and FTIR were performed to elucidate the nature and development of cementation.
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