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相关实验视频

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Accuracy in Dental Medicine, A New Way to Measure Trueness and Precision
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使用数字牙科模型的3D打印技术的精度.

Şule Gökmen1, Serkan Görgülü1, Kübra Gülnur Topsakal1

  • 1University of Health Sciences Turkey, Gülhane Faculty of Dental Medicine, Department of Orthodontics, Ankara, Turkey.

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概括

对于数字牙科模型,PolyJet和数字光处理 (DLP) 3D打印技术的准确性高于立体石刻 (SLA),尽管所有方法都在临床上可行. 这种比较有助于为牙科应用选择最佳的3D打印.

关键词:
这是一个三维的三维空间.三维打印是一种3D打印.数字牙科数字牙科数字模型 数字模型 数字模型

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科学领域:

  • 牙科技术 牙科技术
  • 添加剂制造 添加剂制造 添加剂制造
  • 生物医学工程 生物医学工程

背景情况:

  • 数字牙科模型对于现代正牙和假牙至关重要.
  • 评估不同3D打印技术的制造精度对于临床应用至关重要.

研究的目的:

  • 为数字牙科模型比较立体石刻 (SLA),数字光处理 (DLP) 和PolyJet 3D打印技术的制造精度.

主要方法:

  • 扫描了30名患者的牙科模型 (12-20岁),以创建参考数字文件.
  • 模型使用SLA,DLP和PolyJet技术进行3D打印.
  • 打印模型被扫描,并使用逆向工程软件对参考模型进行数字叠加,以评估根平均平方 (RMS) 值和半径距离测量.

主要成果:

  • 在PolyJet中,RMS误差最低 (0.145±0.10毫米),其次是DLP (0.161±0.12毫米) 和SLA (0.345±0.23毫米).
  • 在参考模型与DLP,PolyJet或SLA产生的模型之间,在半径距离测量中没有发现统计学上显著的差异.

结论:

  • 这三种3D打印技术 (SLA,DLP,PolyJet) 都在临床上可用于生产牙科模型.
  • 与数字光处理 (DLP) 和PolyJet相比,立体石刻 (SLA) 的准确性较低.