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可摘局部义齿铸件中气孔的金相评估。

A metallographic evaluation of porosity occurring in removable partial denture castings.

作者信息

Lewis A J

出版信息

Aust Dent J. 1979 Dec;24(6):408-11. doi: 10.1111/j.1834-7819.1979.tb03636.x.

DOI:10.1111/j.1834-7819.1979.tb03636.x
PMID:295207
Abstract

Conveniently sized sections from six removable partial denture castings were examined metallographically for porosity. Abrupt changes in cross sectional areas were the site of porosity in some specimens; also seen were small generalized areas of porosity unlikely to be disclosed radiographically.

摘要

对六个可摘局部义齿铸件的合适尺寸切片进行金相检验以检测孔隙率。在一些标本中，截面积的突然变化处是孔隙所在位置；还发现了一些小的普遍存在的孔隙区域，这些区域通过射线照相不太可能被发现。

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