焊接包埋材料的精度。
The accuracy of soldering investment.
作者信息
Pazzini N A, Pazzini L I, Amarante de Araujo P, Lopes E S
出版信息
J Prosthet Dent. 1979 Nov;42(5):530-3. doi: 10.1016/0022-3913(79)90247-6.
PMID:40017
Abstract
Testing soldering investments of different thermal expansions established that an acceptable dimensional change in a three-unit fixed partial denture occurs with an investment which expands at 0.70% to 0.72%.
摘要
对不同热膨胀率的铸接包埋材料进行测试后发现，对于一个三单位固定局部义齿而言，当使用热膨胀率为0.70%至0.72%的包埋材料时，会出现可接受的尺寸变化。
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