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在不同的插入角度比较和聚乙基小螺丝的生物力学性能:有限元分析

I Gusti Aju Wahju Ardani¹, Intan Vallentien Dwi Hariati¹, Alexander Patera Nugraha¹

¹Department of Orthodontics, Faculty of Dental Medicine, Universitas Airlangga, Surabaya, East Java, Indonesia.

Journal of orthodontic science

|May 24, 2024

概括

聚乙基 (PEEK) 显示出比 (Ti) 微螺杆更高的骨压力,根据有限元素分析,PEEK被认为是临时定装置 (TAD) 在正牙治疗中的潜在替代生物材料.

科学领域:

生物材料科学是生物材料的科学.
ортодонтическая生物力学 ортодонтическая生物力学
计算建模计算建模

背景情况:

迷你螺丝,或临时固装置 (TADs),对于绝对固在牙矯正非常重要.
(Ti) 是标准材料,但有其局限性.
聚乙基 (PEEK) 为TAD制造提供了潜在的好处.

研究的目的:

为了比较Ti和PEEK作为微型螺杆生物材料的生物力学性能.
使用有限元分析 (FEA) 来评估应力,应变和负载力.

主要方法:

进行了3D有限元素分析 (FEA) 模拟.
模拟的Ti和PEEK小螺丝板 (1.4毫米×6毫米) 和根间骨.
模拟插入角度 (30°,60°,90°) 并施加200克的力.

主要成果:

增加插入角度减少了骨张力和骨变形,但增加了TADs的压力.
与Ti小螺丝相比,PEEK小螺丝引发了更大的骨压力.
大骨的扭曲大于下骨的扭曲.

结论:

PEEK比Ti具有更高的骨压力,表明其作为TADs的替代生物材料的潜力.
FEA支持PEEK作为未来临时 anchorage设备制造的可行候选人.

关键词:

牙科牙科是指牙科的专业.医学医学医学医学医学矯正牙科矯正牙科是指矯正牙科的專業.聚亚利乙乙基是一种聚亚利乙乙基.临时固定装置的临时固定装置.的是什么的是什么

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