【摘要】 目的:考察粘固对3种唇面全瓷颈缘制作的金瓷冠的边缘适合性的影响。方法:本文对3种唇面全瓷颈缘制作的金瓷冠,进行粘固前后的边缘适合性比较。结果:3种金瓷冠的边缘浮出量因粘固而明显增加,均在临床可接受范围。结论:适当的粘固前适合性,有利于形成较好的粘固后适合性,进一步证实了代型隙料使用的必要性。更多还原

【Abstract】 Objective:This study was to evaluate marginal fit of all-porcelain labial margin of PFM crown by threetechniques. Methods:Measure and compare marginal openings of PLM crown by three techniques before cement andafter cement. Results:The margin discrepancies of the three kinds of PFM crown were increased by cement,but theywere within the clinical acceptable range. Conclusion:The marginal fit before cement may be better than after cement,that proved the importance of using of die-spacer.更多还原