摘要
在金属烤瓷修复中，年轻中切牙的色彩再现是一个难点，现有方法要么太难（混色法），要么光学效果差（外染色法），近年出现的内染色技术则结合了两者的优点。本文通过技工操作和临床实例详细介绍了利用内染色瓷粉表现年轻中切牙典型色彩特点的技术，并对内染色技术的优缺点和适应范围进行了讨论。
Abstract In cermet prosthesis it is difficult to reproduce the shades of young central incisors.The available methods are either too complicated(mixed live stain technique)or of bad optic result(external live stain technique).Now internal live stain technique is combined with the advantages of the two techniques as mentioned above.This article introduces in detail the technique to reproduce the typical shades of young central incisors with internal live stain powder and discusses its advantages,shortcomings and adaptive areas.
