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Factors Affecting the Depth of Cure of UV -polymerized Composites

Australian Dental Standards Laboratory, 240 Langridge Street, Abbotsford, Victoria 3067, Australia

Knoop hardness measurements of UV-polymerized dental composites showed that, at a certain depth below the surface, the degree of cure rapidly decreases. The depth of cure was found to be critically dependent on the UV source and exposure time used. A theoretical model was derived which was in quantitative accord with the results.

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Journal of Dental Research, Vol. 59, No. 5, 800-808 (1980)
DOI: 10.1177/00220345800590050901


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