在两个被动的自结括号中,切割器的扭矩表达特征放置在不同的高度. 一个有限元调查调查
R P Bernisha1, Gyanda Mishra1, G Pradeep Raj1
1Department of Orthodontics and Dentofacial Orthopaedics, Army College of Dental Sciences, Secunderabad, Telangana, 500087, India.
Journal of oral biology and craniofacial research
|January 31, 2024
概括
匹兹21支架在上切口对齐方面表现出优越的扭矩表达,与戴蒙Q支架相比. 皮茨21号也在所有测试的支架高度上显示出更大的总变形.
科学领域:
- 矯正牙科 矯正牙科是一種矯正牙科.
- 生物材料工程 生物材料工程
- 牙科机械 牙科机械
背景情况:
- 扭矩表达对于有效的正牙治疗至关重要,它会影响牙的移动和最终对齐.
- 被动自结合支架在减少摩擦和提高效率方面具有潜在的优势.
- 了解不同高度的支架性能对于优化临床结果至关重要.
研究的目的:
- 为了比较两个被动自结合支架系统的扭矩表达式:Damon Q和Pitts 21.
- 为了评估支架放置高度对扭矩表达和变形的影响.
- 在模拟的正力下分析括号内的应力分布.
主要方法:
- 用有限元分析来建模上切割器扭矩.
- 两个被动自结合支架,戴蒙Q和皮茨21,是3D建模.
- 支架被放置在不同高度的部中央切口模型与模拟的弧线.
主要成果:
- 在所有测试的高度上,Pitts 21支架产生的扭矩时刻明显高于Damon Q支架.
- 观察到Pitts 21在8毫米高度 (14.92Nmm) 的最大扭矩.
- 与Damon Q (0.41 × 10−6 mm) 相比,Pitts 21在5毫米高处表现出更大的总变形 (0.61 × 10−6 mm).
结论:
- 与Damon Q支架相比,Pits 21支架表现出优越的扭矩能力.
- 支架粘合高度显著影响扭矩表达和变形.
- 在正牙治疗期间,Pitts 21支架可以提高切口扭矩的控制.
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