The effect of cooling rate on the apparent bond strength of porcelain-metal couples

John W. Guinn; William H. Griswold; Stanley G. Vermilyea

doi:10.1016/0022-3913(82)90361-4

The effect of cooling rate on the apparent bond strength of porcelain-metal couples

John W. Guinn, William H. Griswold, Stanley G. Vermilyea

General Dentistry

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

The effects of cooling conditions on the apparent bond strength of a dental porcelain fused to a cast substructure were studied. Under the conditions of this investigation slow cooling of the porcelain-metal composite in an oven or rapid cooling in an ice chest from the maturation temperature of the porcelain resulted in the highest values of apparent bond strength. However, additional factors must be considered in the selection of a particular cooling method. From the present data it appears that the most practical procedure for cooling of a ceramometal restoration is under a protective cover since it provides the least risk to the integrity of the porcelain-alloy bond and the surface of the porcelain.

Original language	English (US)
Pages (from-to)	551-554
Number of pages	4
Journal	The Journal of Prosthetic Dentistry
Volume	48
Issue number	5
DOIs	https://doi.org/10.1016/0022-3913(82)90361-4
State	Published - Nov 1982

ASJC Scopus subject areas

Oral Surgery
General Dentistry

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10.1016/0022-3913(82)90361-4

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abstract = "The effects of cooling conditions on the apparent bond strength of a dental porcelain fused to a cast substructure were studied. Under the conditions of this investigation slow cooling of the porcelain-metal composite in an oven or rapid cooling in an ice chest from the maturation temperature of the porcelain resulted in the highest values of apparent bond strength. However, additional factors must be considered in the selection of a particular cooling method. From the present data it appears that the most practical procedure for cooling of a ceramometal restoration is under a protective cover since it provides the least risk to the integrity of the porcelain-alloy bond and the surface of the porcelain.",

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AB - The effects of cooling conditions on the apparent bond strength of a dental porcelain fused to a cast substructure were studied. Under the conditions of this investigation slow cooling of the porcelain-metal composite in an oven or rapid cooling in an ice chest from the maturation temperature of the porcelain resulted in the highest values of apparent bond strength. However, additional factors must be considered in the selection of a particular cooling method. From the present data it appears that the most practical procedure for cooling of a ceramometal restoration is under a protective cover since it provides the least risk to the integrity of the porcelain-alloy bond and the surface of the porcelain.

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The effect of cooling rate on the apparent bond strength of porcelain-metal couples

Abstract

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