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S.P.Crown öÍ æÞù»Ý»êÈÀÇ øúØüðÕÓø¿¡ μÇÑ ãùúÐîÜ ÍÅóÌ

AN EXPERIMENTAL STUDY ON SURFACE ROUGHNESS OF SUBGINGIVAL AREA OF S. P. CROWN MARGINS.

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±è¿ìö(ÐÝéÔôË)/Woo Chul Kim

Abstract

îÊíº´Â S.PήܫæÞ×öïÈèâØüÀÇ øúØüðØÓø¸¦ ãùúÐÇϱâ êÓÇÏ¿© ÓßðÎÏØ(S.Pê«÷þ, S.PÙíÜîή)°ú
æÚب¸¦ Ê¥ÇÑ ãùúÐÏØÀ¸·Î ³ª´©¾î¼­ õÌÓÞøúØüðØÓø¿Í ÐÝáÕκóÌúéÚ°ÌðÀ» ÝïÎò ö´ïÒÇÑ Ì¿Íý ´ÙÀ½
°ú °°Àº Ì¿ÒÕÀ» ¾ò¾ú´Ù.
1. Abrasive stone wheel·Î æÚبÇÑ çÓ¿¡¼­ °¡Àå Å« 16¥ìÀÇ ðØÓø¸¦ ¾ò¾ú´Ù.
2. Rouge·Î õÌðûæÚبÇÑ çÓ¿¡¼­ 0.3¥ìÀÇ °¡Àå ÀûÀº ðØÓø¸¦ ³ªÅ¸³Â´Ù.
3. Rubber wheel·Î æÚبÇÑ çÓ¿Í pumice·Î æÚبÇÑ çÓ¿¡¼­ ÊÀÊÀ ÍìÈ÷ 0.8¥ìÀÇ ðØÓø¸¦ ³ª
Ÿ³Â´Ù.

To evaluate the surface roughness of subgingival area of S. P. crown margins
subjected to various polishing procedures, the study was performed by use of
metallograph and surface roughness tester.
The following results were obtained;
1) Abrasive stone wheel produced the roughest surface (16.0¥ìm).
2) Final polish with rouge after polishing with rubber wheel, subsequent to abrasive
stone wheel, produced the smoothest surface (0.3¥ìm).
3) Both polish with rubber wheel after polishing with abrasive stone wheel, and polish
with pumice (coarse¡æmedium¡æfine) produced same surface roughness(0.8¥ìm).

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