A shear test for the bond strength of ceramometals

An innovative shear-testing method was introduced to study the effect of firing temperature, type of metal, and surface texture on the bond strength of the ceramometals. Two common ceramic/metal alloys were used: Olympia, a precious alloy, and Talladium, a base alloy. A Ceramco II Paint-O-Pake opaqu...

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Bibliographic Details
Published inThe Journal of prosthetic dentistry Vol. 58; no. 4; pp. 431 - 437
Main Authors Hammad, Ihab A., Goodkind, Richard J., Gerberich, William W.
Format Journal Article
LanguageEnglish
Published United States Mosby, Inc 01.10.1987
Subjects
Dental Alloys
Dental Bonding
Dental Porcelain
Dental Stress Analysis
Dentistry
Denture Design
Materials Testing
Microscopy, Electron, Scanning
Stress, Mechanical
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Summary:An innovative shear-testing method was introduced to study the effect of firing temperature, type of metal, and surface texture on the bond strength of the ceramometals. Two common ceramic/metal alloys were used: Olympia, a precious alloy, and Talladium, a base alloy. A Ceramco II Paint-O-Pake opaque was selected for the study. Each porcelain alloy was prepared in a similar manner before porcelain application to achieve uniform surfaces. A separate category of base alloy samples was subjected to etching after sandblasting. Each category was then divided into two groups. Opaque porcelain was fired according to the manufacturer's instructions in one group and 65 ° F higher in the other. The bond strengths were compared by statistical analysis and post-tested samples were evaluated visually and microscopically with a scanning electron microscope.
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ISSN:0022-3913
1097-6841
DOI:10.1016/0022-3913(87)90270-8