各种套件材料在使用有限元素分析引导内牙接入空腔准备过程中对温度变化的影响
Anna Muryani1,2, Wandi Prasetia2, Dudi Aripin2
1Faculty of Medicine, Universitas Padjadjaran, Bandung, West Java, Indonesia.
Clinical and experimental dental research
|January 9, 2026
概括
在指导性内牙接入过程中,石袖子最大限度地降低了热量,保护了周围的根组织. -为提提供了一个有希望的替代品,可以提高热和机械性能.
科学领域:
- 牙周内科医院 牙周内科医院 牙周内科医院
- 生物材料科学 生物材料科学
- 计算建模 计算建模
背景情况:
- 引导性内科医疗提高了复杂的根管治疗的精度.
- 牙周内科的钻探可以导致周围组织的有害温度升高.
研究的目的:
- 为了评估不同套件材料 (,,,) 在指导内牙接入过程中对温度变化的影响.
- 用有限元素分析比较,和套的导热率.
主要方法:
- 采用有限元分析 (FEA),使用人体中央切刀和袖子的3D模型.
- 模拟是在特定的钻井参数下进行的 (2°偏差,700rpm).
- 实验验证使用热电偶来测量温度变化.
主要成果:
- 的袖子导致温度升高最低 (<10°C),热量局部集中.
- -和套件有助于更均的散热.
- 在模拟钻井条件下,FEA模拟提供了对模拟钻井条件下的热态度的见解.
结论:
- 的绝缘特性使得它在指导性内牙科手术期间有效地减少热量.
- -为的可行替代品,具有良好的热和机械性能.
- 用于指导袖的材料选择对于在内牙科手术中管理热风险至关重要.
相关概念视频
Thermal expansion and Thermal stress: Problem Solving
San Francisco's Golden Gate Bridge is exposed to temperatures ranging from -15 °C to 40 °C. At its coldest, the main span of the bridge is 1275 m long. Assuming that the bridge is made entirely of steel, what is the change in its length between these temperatures?
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in temperature (ΔT) is 55 °C.
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in temperature (ΔT) is 55 °C.
Temperature Dependent Deformation
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added together...
Bending of Members Made of Several Materials
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...


