Porosity Measurements of ZCAP by Quantitative Image Analysis

Document Type

Article

Publication Date

1-1-1996

Identifier/URL

40964482 (Pure)

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Abstract

Six blends of zinc oxide, calcium oxide, phosphorous pentoxide (ZCAP) were analyzed to determine their porosity and pore size distribution using the Buehler Omnimet quantitative image analysis system. A `pitting' technique, which involved painting the ceramic with a black enamel paint and allowing the paint to dry, was applied to the ceramic surface. Results show that for all the blends, 75 to 99% of volume fraction was made up of the interconnected pores. The total porosity for all the blends was 55 to 86% according top the bulk density. These results suggest that bone ingrowth can be expected for all the blends when they are formed under a small load.

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