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Amalgam 充塡實習作品에 對한 硬度試驗報告

A Report of the Student Practice on the Hardness of Dental Amalgam.

대한치과기재학회지 1966년 1권 1호 p.5 ~ 7
金哲偉, 鮮于良國,
소속 상세정보
金哲偉 (  ) - 서울대학교 齒科大學 齒科材料學敎室
鮮于良國 (  ) - 서울대학교 齒科大學 齒科材料學敎室

Abstract


The purpose of this survey was to determine the hardness of dental amalgam fillings taught at the Dental School, Seoul National University.
Dental students for the year of 1965 were tested the hardness by the Rockwell.Hardness Tester.
From the experiments, the following results were obtained.
1) The overall hardness values of amalgam filling reached at its maximum hardness from R. H. N. 91 to R. H. N. 100.
2) The proper manipulation of dental amalgam did cause a signifiicant favour in hardness of the amalgam filling body.

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