Non-destructive stress analysis of porcelain-fused-to-metal crown. Part 1 X-ray stress measurement and X-ray diffraction of gold alloys for porcelain fusing.
1) Johnston, J. F., Dykema, R. W. and Cunningham, D. M.: The use and construction of gold crowns with a fused porcelain veneer-A progress report, 3. Prosthet. Dent., 6: 811-821, 1956.
2) Silver, M., Klein, G. and Howard, M. C.: An evaluation and comparison of porcelains fused to cast metals, J. Prosthet. Dent., 10: 1055-1064, 1960.