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Updated: Jul 9, 2025

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使用自我识别的投射性不变标记器进行高效的口内摄影仪.

Yanghai Chen1, Mingzhu Zhu2, Bingwei He1

  • 1School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, Fujian, China.

International journal of computer assisted radiology and surgery
|December 9, 2023
PubMed
概括

这项研究引入了一种高效的口腔摄影测量技术,用于重新测量全弧植入物数字印记. 投射式不变标记系统在最小的测量时间内实现高精度,提供临床价值.

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科学领域:

  • 牙科技术 牙科技术
  • 这是一种摄影计量技术 (photogrammetry).
  • 数字成像技术的数字成像.

背景情况:

  • 准确地重新测量全门植入物数字印记对于成功的假牙修复至关重要.
  • 目前的方法可能在效率和准确性方面存在局限性.

研究的目的:

  • 通过使用投射性不变标记器,提出一种高效的口腔摄影仪技术.
  • 将这项技术应用于重新测量全弧植入物数字印记.

主要方法:

  • 开发一种具有投射不变度及其检测代码的自我识别标记器.
  • 在扫描体上安装标记器,用于摄影计量测量.
  • 使用三角测量来确定3D坐标,然后进行后处理以提高精度.

主要成果:

  • 在200-250mm之间建立的最佳工作距离.
  • 达到0.05mm以下的最小测量误差和0.10mm的平均误差.
  • 测量完成时间不到2分钟.

结论:

  • 摄影计量系统可靠地有效地确定全弧植入物位置.
  • 该技术避免了口内扫描,提高了患者的舒适性和安全性.
关键词:
这是一个信任标记.植入物植入物是一种植入物.这是一种摄影计量技术 (photogrammetry).投影不变量是投影的不变量.

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  • 显示出在牙科修复中临床应用的巨大潜力.