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Updated: Jan 24, 2026

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数字与数字的对比 使用MetiSmile® 3D面部扫描仪进行直接人体测量:3D面部扫描仪:对人形模型的验证和可靠性研究
Alexander De Crem1, Constantijn Bogaert2, Frederik Piccart3
1Department of Oral and Maxillofacial Surgery and Head and Neck Surgery, Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium; alexander.decrem@uzbrussel.be (A.D.C.); matthias.ureel@uzgent.be (M.U.); benjamin.denoiseux@uzgent.be (B.D.); lisa.dekock@uzgent.be (L.D.K.).
Craniomaxillofacial trauma & reconstruction
|January 23, 2026
概括
MetiSmile® 3D 面部扫描仪提供可重现的网格和精确的线性测量,用于正统牙和正统牙应用. 在广泛临床使用之前,建议对活体进行进一步验证.
科学领域:
- 生物医学工程 生物医学工程
- 医疗成像医学成像
- 矯正牙科 矯正牙科是一種矯正牙科.
背景情况:
- 三维面部人体测量在正统牙科和正统牙科手术中至关重要.
- 传统的系统 (如Vectra®,3dMD®) 是准确的,但昂贵和复杂的.
- MetiSmile®扫描仪提供了一个具有成本效益的,需要验证的便携式替代方案.
研究的目的:
- 严格评估MetiSmile® 3D面部扫描仪的准确性和可重复性.
- 将数字测量与直接人类测量进行比较.
- 评估观察者内部和观察者间的可靠性.
主要方法:
- 在人形头上进行两阶段验证.
- 第一个阶段:在不同的照明和精细化下 (AL,n-AL,AL-F) 使用Iterative Closest Point (ICP) 的网格可重现性.
- 第二阶段:由三名观察员进行直接人体测量 (DA) 与数字人体测量 (DiA) 测量,通过类内相关系数 (ICC) 评估可靠性.
主要成果:
- 第1阶段显示高网格可重现性,平均根-平方平均误差 (RMS) 低至0.030mm (AL-F).
- 在眼睛和嘴唇等面部特征附近观察到最大的偏差.
- 第二阶段显示出出色的ICC (≥0.997) 和最小的平均绝对DA-DiA差异 (0.25-0.33毫米).
结论:
- 该MetiSmile®扫描仪产生高度可复制的3D面部网格.
- 获得的线性测量对于人形模型来说是临床上可以接受的.
- 对于日常临床采用,需要对活体进行进一步的验证.
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