同一牙弓上同时制作多个桩核时往往采用间接法,但是,要采取多个牙根管的准确印模,若采用常规的印模方法,由于印模材料的硬固时间有限,往往不易取得准确的印模。本文介绍了一种采取多个牙根管印模的两步印模技术,该法准确、方便又容易校正。方法步骤如下: ①去尽龋坏组织、无基釉等,使预备好的牙体边缘圆钝光滑,全部为健康牙体组织。②用加热的根充器等去除根管内部份牙胶尖,对 Indirect methods are often used when making multiple posts at the same time on the same dental arch, however, to take accurate impression of multiple root canals, it is often not easy to apply a conventional stamping method due to the limited hard-setting time of the impression material Get accurate impression. This article describes a two-step impression technique that takes multiple root canal impressions that are accurate, easy and easy to calibrate. Method steps are as follows: ① to do the best of the carious tissue, non-base glaze, etc., so that the edge of the prepared tooth blunt smooth, all for healthy tooth tissue. ② with a heated root canal to remove root canal inside the gums, right