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在直接3D打印中增强数字化的多目标优化:在牙科中的应用.

Anmol Sharma¹, Pushpendra S Bharti², Ashish Kaushik³

¹USICT, Guru Gobind Singh Indraprastha University, Sector 16C, Dwarka, Delhi, 110078, India. Anmol.20916490021@ipu.ac.in.

Clinical oral investigations

|April 11, 2025

概括

优化牙科器械的3D扫描参数可显著提高准确性和效率. 这项研究发现了扫描距离,角度和光强度的最佳设置,以最大限度地减少偏差和文件大小,以获得更好的3D打印结果.

关键词:

通过3D打印打印3D打印.通过3D扫描扫描.牙科牙科是指牙科的专业.在 NSGA II 中,NSGA II 是一个独立的组织.这里是Stl文件.

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科学领域:

数字牙科数字牙科
增材制造增材制造是一种增材制造.
表面重建的重建.

背景情况:

扫描的STL (立体立体) 文件对于直接3D打印牙科器械至关重要.
扫描文件和原始模型之间的差异会影响准确性,需要进行预处理.
优化STL网格质量对于平衡分辨率,内存和精度至关重要.

研究的目的:

为了减轻扫描STL文件中的差异,以准确制造牙科器械.
优化STL网状三角形,以提高数字模型质量和减少内存使用.
为了确定最佳的扫描参数 (扫描距离,角度,光强度) 以提高3D打印效率和精度.

主要方法:

响应表面方法被用于设计不同扫描距离 (SD),扫描角度 (SA) 和光强度 (LI) 的实验.
使用假牙进行了20次实验运行,评估了输出偏差,三角数和时间.
开发和优化了一个偏差预测模型,使用一个多目标非主导排序遗传算法II.

主要成果:

回归和人工神经网络 (ANN) 模型显示出显著的偏差预测能力.
确定了最佳参数:SD为5.3621英寸,SA为82.1746度,LI为15.2456W/m2.
优化参数导致平均偏差 (AD) 为0.1964,27,811个三角形 (NT) 和89.2203秒的消耗时间.

结论:

STL文件的准确性取决于网格质量;通常需要预处理.
为分辨率和内存使用平衡网状三角形数量至关重要.
优化的扫描参数提高了牙科器械的准确性,效率和患者在数字牙科的结果.