随遮色瓷厚度的增加，以镍铬合金与贵金属合金为基底的修复体彩度增加，金沉积为基底的修复体彩度略有下降。
As the opaque thickness increased, the color of restoration based on Ni-Cr and noble metal increased but the color of restoration based on gold sediment decreased.
目的：研究非贵金属合金在上瓷前经过不同的阳极钝化条件处理及除气、预氧化对金瓷结合强度的影响。
Objective: This study is to determine the effect of different surface anodizing and degassing-preoxidation on bonding strength of porcelain to Ni-Cr alloy.
结论自制镍铬钛烤瓷合金的金瓷结合良好，剪切结合强度可以达到临床应用的要求。
ConclusionThe shear bond strength of the self-made Ni-Cr-Ti porcelain alloys all can satisfy the clinical requirements.
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