3D软件的临床准确性和响应性用于在变化的垂直尺寸下测量面部尺寸
Koungjin Park1, Nareudee Limpuangthip2, Sung-Jin Kim1
1Department of Prosthodontics, Seoul National University School of Dentistry, Seoul, Republic of Korea.
Journal of dentistry
|September 12, 2025
概括
3D面部扫描和测量软件为线性面部测量提供了临床上可接受的准确性. 离散地标选择方法 (Obi) 在评估垂直维度变化方面显示出比直接点对点 (MeshLab) 更高的精度.
科学领域:
- 牙科 牙科是指牙科的专业.
- 生物医学工程 生物医学工程
- 医疗成像医学成像
背景情况:
- 准确的面部测量对于假肢康复至关重要.
- 传统的方法可能耗时且容易出现错误.
- 3D面部扫描为捕捉面部尺寸提供了一个数字替代方案.
研究的目的:
- 使用静止面部扫描仪数据,评估两个3D测量软件程序 (MeshLab,Obi) 的准确性.
- 将数字测量与临床测量进行比较,作为参考标准.
- 评估软件对垂直维度 (VD) 变化的响应能力.
主要方法:
- 20名健康参与者接受了临床和数字面部测量.
- 在增加的VD变化 (0-6毫米) 时,使用树脂块测量了垂直距离.
- 在基线测量水平距离.
- 数字测量使用MeshLab (直接点对点) 和Obi (离散地标选择) 进行.
- 临床测量使用了数字维尔尼尔校准仪.
主要成果:
- 数字测量略大于临床测量;MeshLab显示的差异比 Obi.
- 这两个软件程序都在临床上可接受的范围内产生了测量结果.
- 这两种数字方法都准确地检测到增量VD变化,与临床测量相比.
- 垂直距离显示出比水平距离更高的变化,特别是在更长的测量中.
结论:
- 固定式面部扫描仪和3D软件为线性面部测量提供了临床上可接受的准确性.
- 离散地标选择方法 (Obi) 比直接点对点 (MeshLab) 提供了更好的精度,特别是在更长的距离.
- 3D面部扫描和软件可靠用于假肢康复的数字工作流程,包括VD评估.
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