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KMID : 0362719730110050353
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Journal of the Korean Dental Association
1973 Volume.11 No. 5 p.353 ~ p.358
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Effects of Improper Metal Crown to Period Onium in Experimental the Dogs
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Cho Kun-Ok
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Abstract
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The purpose of this study was to determine the gingival response to the various restorations for 3 weeks, 5 weeks and 8 weeks respectively after they had been inserted in 42 tooth of 5dogs. The histopathological observation was also performed to evaluate the effect of the variuos restorations on gingival tissue. They inclued gold, copper and nickel-chrome alloy. The following findings were obtained. 1. The gingivae adjacent to the well adapted and polished restorations and their margins with a level of gingival crest were grossly and histopathologically found no specific changes. 2. The gingive adjacent to the ill fitting and unpolished restorations and their margins with subgingival extension of 1 to 1.5mm were not grossly found any changes but hitopathologically, the inflammatory changes. 3. Thee wee no obvious difference in gingival response among the various alloys in histopathological observation.
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KEYWORD
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