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Comparative Retreatment Efficacy of Two Multi-File Systems with Different Access Cavity Designs: A Micro-Computed Tomography Study.
Medicina (Kaunas)
December 2024
Department of Endodontics, Faculty of Dentistry, Ankara University, Ankara 06560, Turkey.
: The access cavity design and instrumentation system could affect the remaining root canal obturation materials in root canal retreatment. This study aimed to evaluate the efficiency of two different multi-file systems in removing obturation materials with two different access cavities utilizing micro-CT scanning. : Conservative access cavity (CAC) preparation was performed for 80 mandibular premolars.
View Article and Find Full Text PDFBurden of coronary artery calcification in ANCA-associated vasculitis.
RMD Open
January 2025
Department of Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
Background: Cardiovascular disease (CVD) is a leading cause of death in ANCA-associated vasculitis (AAV). Screening and primary cardiovascular prevention may improve outcomes.
Methods: We identified patients in the 2002-2019 Mass General Brigham AAV cohort with thoracic CT scans obtained for other clinical purposes.
Gold metallene-based ECL biosensor to detect miRNA-126 for coronary artery calcification diagnosis.
Biosens Bioelectron
March 2025
Department of Cardiovascular Medicine, China-Japan Union Hospital of Jilin University, Changchun, 130033, China. Electronic address:
Coronary artery calcification (CAC) is a pathological change and independent risk factor in cardiovascular diseases. In this work, a gold-based metallene structure was prepared as sensing interface based on mPEG-SH modified Au nanoparticles for the CAC detection. Firstly, a novel nanovesicle was self-assembled with excellent conductivity.
View Article and Find Full Text PDFAntimicrobial hydrogel scaffolds from Barba de Viejo microfibers, alginate and Ag nanoparticles via green synthesis.
Int J Biol Macromol
January 2025
Institute for NanoEngineering Research (INER) and Department of Chemical, Metallurgical and Materials Engineering (Polymer Division), Tshwane University of Technology, Pretoria, South Africa.
Article Synopsis
- * In the study, Barba del Viejo fibers were treated with NaOH and combined with alginate and silver nanoparticles to create antimicrobial scaffolds, which were analyzed for their structure and properties using various techniques such as FTIR, XRD, and SEM.
- * Findings showed that these scaffolds, made from treated fibers and silver nanoparticles, have strong antibacterial effects against E. coli and S. aureus, highlighting their potential for use in infection-control wound dressings.
Quantitative Approach to Quality Review of Prenatal Ultrasound Examinations: Estimated Fetal Weight and Fetal Sex.
J Clin Med
November 2024
Obstetrix Maternal-Fetal Medicine Specialists, Houston, TX 77054, USA.
: Systematic quality review of ultrasound exams is recommended to ensure accurate diagnosis. Our primary objectives were to develop a quantitative method for quality review of estimated fetal weight (EFW) and to assess the accuracy of EFW for an entire practice and for individual personnel. A secondary objective was to evaluate the accuracy of fetal sex determination.
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