本文件规定了各种根管充填材料的尺寸规范，包括适用于根管系统充填的预制金属、预制聚合物涂层金属、聚合物点、热塑性充填材料或上述材料的组合。本文件还规定了用于指定预制牙髓充填点尺寸的数字系统和颜色编码系统。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document establishes the specifications for the dimensions of various endodontic obturating materials including preformed metal, preformed polymeric-coated metal, polymeric points, thermoplastic obturating material or combinations of the above, suitable for use in the obturation of the root canal system. This document also specifies numerical systems and a colour-coding system for designating the sizes of preformed endodontic obturating points.All current amendments available at time of purchase are included with the purchase of this document.