本文件规定了固定式牙科设备、牙科患者座椅以及两者组合的要求和试验方法，无论它们是否为电动设备。 本文件还规定了使用说明、技术说明、标记和包装要求。 操作员的凳子、便携式牙科设备和操作灯不在本文件的范围内。

This document specifies requirements and test methods for stationary dental units, dental patient chairs, and combinations of both regardless of whether they are or not electrically powered. This document also specifies requirements for the instructions for use, for the technical description, for marking and for packaging. Operator's stools, portable dental equipment and operating lights are not in the scope of this document.