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揭示了应力动态:穿孔牙模型中后长度和修复材料的作用:有限元分析研究研究

Nihan Çelik Uzun1, Altuğ Uşun2, Davut Çelïk3

  • 1Faculty of Dentistry, Department of Endodontics, Karadeniz Technical University, Trabzon, Turkey. nihancelik@ktu.edu.tr.

BMC oral health
|April 26, 2025
PubMed
概括

根穿孔的较长柱子可以减少牙的压力,但会增加穿孔部位的压力. 与MTA相比,Biodentine提供了优越的机械稳定性和减轻在修复的穿孔牙中的应力.

关键词:
生物牙是一种生物牙.牙纤维贴子 牙纤维贴子有限元素分析的研究.矿物三氧化物聚合物矿物三氧化物聚合物根穿孔是根穿孔的一种方式.

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Thin-Walled Hollow Shafts01:15

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In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution...
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