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Updated: Jun 14, 2025

Introducing Shear Stress in the Study of Bacterial Adhesion
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Impact of post adhesion on stress distribution: an in silico study

Kkot-Byeol Bae1, Jae-Yoon Choi1, Young-Tae Cho2

  • 1Department of Conservative Dentistry, School of Dentistry, Chonnam National University, Gwangju, Korea.

Restorative Dentistry & Endodontics
|June 10, 2025
PubMed
Abstract

Keywords:
Dental materialsFinite element analysisPostStressTitanium

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In the study of elastoplastic members subjected to bending moments, understanding the loading and unloading phases is crucial for assessing material behavior and structural integrity. During the loading phase, as the bending moment increases, the material initially responds elastically, adhering to Hooke's Law, where stress is directly proportional to strain. When the load exceeds the yield strength, plastic deformation occurs, resulting in permanent strain and deformation that remains even...
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Stress concentration is when stress intensifies near discontinuities such as holes or abrupt cross-sectional changes in a structural member. This localized stress can often surpass the average stress within the member. The stress distribution in flat bars, either with a circular hole or varying widths connected by fillets, can be determined experimentally using a photoelastic method. The results are based on ratios of geometric parameters like the ratio of the hole's radius to the smaller...
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Studying stress transformation is essential in understanding how stress components within a material, like a cube under plane stress, change with rotation. This change is analyzed by considering a prismatic element within the cube. As the element rotates, the stress components acting on it—both normal and shearing stresses—change in magnitude and orientation. This change is quantified using trigonometric functions of the rotation angle, relating the forces acting on the rotated element's...
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