本标准描述了用于评估3D计量牙科设备的重复性、再现性和准确性的试验方法。本标准适用于牙科手术椅和牙科实验室CAD/CAM系统。本文件的范围不包括3D计量在牙科领域的其他特定应用的独特系统，如3D计算机断层扫描、磁共振成像和立体摄影测量。

This standard describes test methods used to evaluate the repeatability, reproducibility and accuracy of dental devices for 3D metrology. The standard is applicable to dental chairside and dental laboratory CAD/CAM systems. The scope of this document is not intended to include unique systems with other specific applications of 3D metrology in the dental field such as 3D computed tomography, magnetic resonance imaging and stereophotogrammetry.