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用不同的数字扫描仪确定面部地标:一个活体研究

Rita Vanessa Alves1,2,3, Helena Francisco1,2,3, Ana Catarina Pinto1,2

  • 1Instituto de Implantologia, Avenida Columbano Bordalo Pinheiro, No. 50, 1070-064 Lisbon, Portugal.

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概括

这项研究比较了低成本和专业的3D面部扫描仪与手动测量. 两台扫描仪都显示出面部形态分析的临床准确性,专业扫描仪提供了更高的准确性.

关键词:
人类测量学的人类测量学.牙科 牙科 牙科 牙科面部扫描仪 面部扫描仪技术技术的技术技术的技术.这是一个三维的空间.

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科学领域:

  • 医学技术 医学技术 医学技术
  • 生物医学工程 生物医学工程
  • 面部形态分析面部形态分析

背景情况:

  • 面部扫描技术正在进步,从传统方法转向3D数字采集,以提高客观性和可重现性.
  • 目前的3D面部扫描旨在提高数字工作流程中面部形态分析的准确性.
  • 这项研究调查了不同3D面部扫描技术的精度和准确性.

研究的目的:

  • 为了比较便宜的便携式面部扫描仪 (Revopoint®) 和专业的静态面部扫描仪 (RAYFace®) 与手动人体测量的精度和真实性.
  • 评估这些3D扫描技术适用于临床应用,如假牙和美容规划的适用性.
  • 评估从3D面部扫描仪获得的线性地标间距离测量的可靠性.

主要方法:

  • 30名成年志愿者接受了面部标志性识别和使用数字标尺,Revopoint®和RAYFace®扫描仪进行线性距离测量.
  • 手动人体测量作为参考标准,所有测量都由一个操作员执行.
  • 计算了真实性和精度,以评估扫描仪的性能与参考标准相比.

主要成果:

  • 无论是Revopoint® (精度为1.19%) 还是RAYFace® (精度为0.88%) 都在临床上可接受的范围内显示出可重现的测量结果.
  • Revopoint®的平均准确值为4.30%,RAYFace®为4.08%,表明可接受的准确性.
  • 专业静态扫描仪 (RAYFace®) 与便携式扫描仪 (Revopoint®) 相比,显示出更高的准确性和精度.

结论:

  • 这两种3D面部扫描仪都为牙套和美容规划提供了临床上可接受的线性测量.
  • 专业静态扫描仪 (RAYFace®) 更适用于要求更高精度的复杂案例.
  • 进一步的研究可能会探索更广泛的人口样本和不同的参考标准,以加强验证.