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Applied Sciences, Volume 15, Issue 23

December-1 2025 - 505 articles

Cover Story: Continuous use of clear aligners modifies the oral environment and may favor bacterial colonization. Integration of topical fluoride-based agents could strengthen enamel and reduce biofilm formation. This study evaluated the effects of a galenic fluoride-mint spray (225–250 ppm fluoride and 1–2% peppermint essential oil) on salivary fluoride concentration and bacterial biofilm during orthodontic treatment. Ten patients using 3D-printed nighttime aligners were enrolled. Saliva samples were analyzed with an ion-selective electrode (ISE) at baseline, immediately after inserting the sprayed aligners and after 15, 30, 45 min post application. Biofilm morphology was qualitatively assessed by scanning electron microscope (SEM) in three aligners: unused, worn 14 nights without spray, worn 14 nights with spray. View this paper
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Articles (505)

  • Article
  • Open Access
362 Views
18 Pages

4 December 2025

In this article, models for prediction of surface hardness for SLM specimens are presented. In experiments, EOS Maraging Steel MS1 was processed using EOS M 290 3D printer via selective laser melting (SLM). To predict hardness of SLM specimens, sever...

  • Article
  • Open Access
291 Views
29 Pages

4 December 2025

The basic reproduction number (R0) is an epidemiological metric that represents the average number of new infections caused by a single infectious individual in a completely susceptible population. The methodology for calculating this metric is well-...

  • Article
  • Open Access
324 Views
16 Pages

4 December 2025

Over the past few years, various research has been conducted to utilize 3D point cloud data in construction sites. This is because 3D point cloud data contain a variety of information, such as spatial coordinates (X, Y, Z), intensity, and color (RGB)...

  • Article
  • Open Access
261 Views
26 Pages

Development of a Monitoring Method for Powered Roof Supports

  • Dawid Szurgacz,
  • Konrad Trzop,
  • Łukasz Bazan,
  • Jarosław Brodny and
  • Zbigniew Krysa

4 December 2025

The main objective of this study was to develop a comprehensive testing method for powered roof supports operating under real mining conditions and to establish guidelines for a monitoring system designed to record their geometric and operational par...

  • Article
  • Open Access
271 Views
31 Pages

4 December 2025

Modeling complex non-physical systems is essential for understanding the interdependent dynamics of human-centered adaptive environments. This study extends the Goal Tree–Success Tree and Master Logic Diagram (GTST-MLD) framework to represent a...

  • Article
  • Open Access
234 Views
16 Pages

Experimental and Numerical Study on the Influence of Forest Spatial Structure on Rockfall Protection Efficacy

  • Haiyang Liu,
  • Chunling Liu,
  • Jian Zhou,
  • Juanjuan Sun,
  • Kuiyu Shao,
  • Zhaocheng Guo and
  • Xueliang Wang

4 December 2025

With the growing emphasis on bio-engineering techniques, the sustainable advantages of using trees as barriers against rockfalls have become increasingly evident. The key mechanism for forest protection against rockfalls is the dissipation of block k...

  • Article
  • Open Access
223 Views
12 Pages

4 December 2025

This article presents the results of research on a control system for an active bearing support. Optimization of this system was proposed to maximize vibration reduction at the front spindle end and to apply the Ziegler–Nichols criterion to mod...

  • Article
  • Open Access
220 Views
17 Pages

4 December 2025

The extensive area of goaf makes high-temperature points highly concealed, and prolonged heating can easily trigger spontaneous coal combustion. Traditional temperature monitoring methods are limited in spatial coverage and thus fail to detect high-t...

  • Article
  • Open Access
666 Views
23 Pages

4 December 2025

Traffic accidents remain a major public safety concern, particularly in regions where rapid motorization and limited infrastructure increase crash risk. This study proposes a machine learning-based framework to classify traffic accident severity and...

  • Article
  • Open Access
287 Views
20 Pages

Research on Wellbore Temperature Field Based on New-Generation Microchip Logging Technology: A Case Study of Drilling Fluid Circulation

  • Bo Feng,
  • Long He,
  • Biao Ou,
  • Yan-Cheng Yan,
  • Da-Liang Hu,
  • Zhao-Rui Shi,
  • Zao-Yuan Li and
  • Xu-Ning Wu

4 December 2025

Significant thermal dynamics occur during both well construction and injection-production cycles in underground energy storage systems. Accurately determining the wellbore temperature distribution is crucial for optimizing drilling processes, enhanci...

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Appl. Sci. - ISSN 2076-3417