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A study on the compressive strength of three-dimensional direct printing aligner material for specific designing of clear aligners.
Sci Rep
January 2025
Department of Orthodontics, Institute of Oral Health Science, Ajou University School of Medicine, Suwon, South Korea.
Background: The demand for orthodontic treatment using clear aligners has been gradually increasing because of their superior esthetics compared with conventional fixed orthodontic therapy. This study aimed to evaluate and compare the compressive strength of three-dimensional direct printing aligners (3DPA) with that of conventional thermo-forming aligners (TFA) to determine their clinical applicability. In the experimental group, the 3DPA material TC-85 (TC-85 full) was used to create angular protrusions called rectangular pressure areas (RPA).
View Article and Find Full Text PDFFacile Ester-based Phase Change Materials Synthesis for Enhanced Energy Storage Toward Battery Thermal Management.
Adv Sci (Weinh)
January 2025
School of Low-Carbon Energy and Power Engineering, China University of Mining and Technology, NO. 1 DAXUE ROAD, Xuzhou, Jiangsu, 221116, China.
With the increasing demand for thermal management, phase change materials (PCMs) have garnered widespread attention due to their unique advantages in energy storage and temperature regulation. However, traditional PCMs present challenges in modification, with commonly used physical methods facing stability and compatibility issues. This study introduces a simple and effective chemical method by synthesizing seven ester-based PCMs through chemical reactions involving lauric acid (LA) and seven different alcohols.
View Article and Find Full Text PDFCARE Model of Treatment for stuttering: Theory, assumptions, and preliminary findings.
Front Psychol
December 2024
Arthur M. Blank Center for Stuttering Education and Research, The University of Texas at Austin, Speech, Language, and Hearing Sciences, Austin, TX, United States.
The purpose of this article is to present a theory of therapy for stuttering, its related assumptions, and findings from associated empirical studies. Specifically, we propose the Blank Center CARE™ Model of Treatment (CT) for stuttering, which differs from the current, widely employed fluency model of treatment (FT). The CT reflects the authors' belief in the need to move away from fluency-focused or seemingly ableist treatments (i.
View Article and Find Full Text PDFMechanically enhanced biodegradable scaffold based on SF microfibers for repairing bone defects in the distal femur of rats.
Int J Biol Macromol
December 2024
Department of Orthopedics, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu 215004, China. Electronic address:
Silk-based biodegradable materials play an important role in tissue engineering, especially in the field of bone regeneration. However, while optimizing mechanical properties and bone regeneration characteristics, modified silk fibroin (SF)-based materials also increase the complexity of scaffold systems, which is not conducive to clinical translation. In this study, we first added synthetic biomimetic mineralized collagen (MC) particles to SF-based materials to improve the bone regeneration properties of the scaffolds and simultaneously regulated the degradation rate of the scaffolds to match the bone regeneration rate.
View Article and Find Full Text PDFCompact Arterial Monitoring Device Use in Resuscitative Endovascular Balloon Occlusion of the Aorta (REBOA): A Simple Validation Study in Swine.
Cureus
October 2024
Department of Anesthesiology, Uniformed Services University of the Health Sciences, Bethesda, USA.
Article Synopsis
- - Hemorrhage is the main cause of preventable death in trauma situations, leading to military and civilian advancements in medical practices, particularly through the use of tourniquets to manage extremity bleeding and save lives.
- - While tourniquets have significantly decreased deaths from bleeding in military settings, noncompressible hemorrhage still poses a major risk, especially before patients receive definitive medical care.
- - The study explores using a small, disposable pressure monitor during resuscitative endovascular balloon occlusion of the aorta (REBOA) to enhance blood pressure monitoring, facilitate better resuscitation practices, and reduce the need for blood products in extreme environments.
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