本文件规定了用于牙髓目的的牙髓器械的一般要求和试验方法，例如扩张器、压路机、辅助器械、整形和清洁器械以及数字编码系统。此外，它还包括一般尺寸名称、颜色编码、包装和识别符号。

This document specifies general requirements and test methods for endodontic instruments used for endodontic purposes, e.g. enlargers, compactors, accessory instruments, shaping and cleaning instruments, and a numeric coding system. In addition, it covers general size designations, color-coding, packaging, and identification symbols.