松骨折中应力分布的有限元分析 拉姆斯骨折:受影响的第三骨的影响
Ahmet Faruk Derin1, Hilal Alan2
1Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, İnönü University, 44280 Campus, Malatya, Turkey. afarukderin@gmail.com.
Oral and maxillofacial surgery
|June 19, 2025
概括
在特定位置受影响的第三牙可能会增加压力在松骨骨折 (SSRO) 期间. 水平冲击可能会增加骨折风险,强调在SSRO之前对患者进行特定评估.
科学领域:
- 口腔和牙面部外科手术
- 生物机械工程 生物机械工程
- 牙科研究 牙科研究
背景情况:
- 斜裂骨骨架骨切除术 (SSRO) 是一个常见的手术下变形.
- 受影响的第三可以影响SSRO期间的手术结果和骨折模式.
- 了解压力分布对于预防并发症至关重要.
研究的目的:
- 评估不同受影响的第三位在SSRO期间对应力分布的影响.
- 用有限元分析分析近距离和远距离段的应力度.
- 评估受冲击的牙位置和不良骨折风险之间的相关性.
主要方法:
- 使用有限元应力分析,以模拟不同位置的受影响的第三牙.
- 应用了20N的力来模拟SSRO,并分析了应力值 (von Mises,Pmax,Pmin).
- 在近端和远端分段的压力分布在不同的点冲击场景中进行了比较.
主要成果:
- 最高的应力值在近距离段的口腔侧 (distoangular模型) 和远距离段的语言侧 (水平模型) 观察到.
- 总体而言,近接部分的口腔侧在所有模型中表现出最高的应力度.
- 水平定位的受影响的牙显示在远端段的压力增加.
结论:
- 水平冲击的第三可能会增加远端段应力,可能会在SSRO期间增加不利的骨折风险.
- 邻近细分的口腔区域始终显示出更高的压力度.
- 在手术前对第三位的患者具体评估对SSRO规划具有临床意义.
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