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Usefulness of subtraction thermography in the evaluation of blood vessels and lymphatic vessels in the dental pulp.
Acta Bioeng Biomech
June 2024
4Department of Pediatric Dentistry and Preclinical Dentistry, Wroclaw Medical University, Wrocław, Poland.
: Caries or iatrogenic thermal trauma of the teeth have a significant impact on the dental pulp structure connected with stimulation of angiogenesis and lymphangiogenesis. Therefore, the aim of the study was to identify the difference in the rate of heat dissipation by vessels present in the dental pulp. : Freshly extracted healthy ( = 10) and carious ( = 14) molars and premolars were cut on a diamond saw and subjected to active thermographic examination and then subjected to lymphoscintigraphy and X-ray examination.
View Article and Find Full Text PDFEffects of Machining Parameters on Abrasive Flow Machining of Single Crystal γ-TiAl Alloy Based on Molecular Dynamics.
Micromachines (Basel)
January 2025
Jilin Province Product Quality Supervision and Inspection Institute, Changchun 130103, China.
Observing the intricate microstructure changes in abrasive flow machining with traditional experimental methods is difficult. Molecular dynamics simulations are used to look at the process of abrasive flow processing from a microscopic scale in this work. A molecular dynamics model for micro-cutting a single crystal γ-TiAl alloy with a rough surface in a fluid medium environment is constructed, which is more realistic.
View Article and Find Full Text PDFEffect of modeling liquid application on color stability and surface roughness of single-shade composites.
BMC Oral Health
January 2025
Faculty of Dentistry, Department of Restorative Dentistry, Sivas Cumhuriyet University, Sivas, Turkey.
Objectives: The objective of this study was to examine the effects of modeling liquid application on the color stability and surface roughness of single-shade composites.
Materials And Methods: Single-shade composites were divided into 4 main groups according to their contents. A total of 64 disc-shaped samples (8 × 2 mm) were prepared, 16 in each group, by using Teflon molds.
A novel design for double-bending elliptical vibration boring device and its performance evaluation.
Ultrasonics
January 2025
State Key Laboratory of Intelligent Manufacturing Equipment and Technology, School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan, China.
Steel precision matching parts are widely used in aerospace and automobiles. In order to ensure the stability of the system, the matching parts' mating surfaces, such as inner holes and outer shafts, are required to achieve nano-surface roughness and submicron-shape accuracy. Diamond-cutting technology is generally used for ultra-precision machining processes.
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