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A SCANNING ELECTRON MICROSCOPIC STUDY OF PREVENTIVE RESIN RESTORATION

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Abstract

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´Â ¹°¸® È­ÇÐÀûÀÎ ÀÛ¿ë¿¡ ´ëÇÏ¿© ¾Ë¾Æ º¸°íÀÚ Ä¡¾Æ¿Í ·¹Áø ÃæÀü¹°°úÀÇ Á¢ÇÕ¸éÀ» °üÂûÇϱâ
À§ÇÑ ½ÇÇèÀ» ½ÃÇàÇÑ °ÍÀÌ´Ù.
ÀúÀÚ´Â °ÇÀüÇÑ Ä¡¾Æ 83°³¸¦ ´ë»óÀ¸·Î ºÎ½Ä»êÀÇ ³óµµ¿¡ ÀÇÇÑ ºÎ½ÄÇü, ·¹ÁøÃæÀü¹°ÀÇ Ä§Åõ¾ç
»ó, °áÇÕÁ¦ÀÇ Á¡µµ¿¡ µû¸¥ Á¢Âø°è¸éÀÇ ÇüÅÂ, Áß°£°áÇÕÁ¦¸¦ »ç¿ëÄ¡ ¾ÊÀ» ½Ã¿¡ ÇÑ°è¸é ¹× ¿Íµ¿
Çü¼ºÈÄ ¿Íµ¿º®µîÀ» ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸·Î ºñ±³°üÂû ÇÏ¿´´ø ¹Ù ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. 3°¡ÁöÀÇ ±âº»ÀûÀÎ ºÎ½ÄÇüÀÌ 20¡­50%Àλ꿡¼­ µ¿ÀÏÇ¥º»¿¡¼­ µ¿½Ã¿¡ ³ªÅ¸³µ´Ù.
2. 35% Orthophosphoric acid¿¡ 60ÃÊ ºÎ½ÄÇÑ °æ¿ì °¡Àå ¸íÈ®ÇÑ ºÎ½ÄÇüÀ» º¸À̸ç, ·¹Áøħ
Åõ°¡ 10¡­15 ¥ìm¿¡ ´ÞÇϸç, ¹ý¶ûÁú-·¹ÁøÀÇ Í£Øü¿¡´Â ¾î¶² Microspaceµµ ¾ø¾ú´Ù.
ÀÌ·± Í£ØüÀº º¯¿¬´©ÃâÀ» °¨¼Ò½ÃÅ°¸ç, 2Â÷ Ä¡¾Æ¿ì½ÄÀ» °¨¼Ò½Ãų ¼ö ÀÖ´Ù°í »ç±³µÈ´Ù.
3. Àú Á¡µµÀÇ Áß°£ °áÇÕÁ¦´Â ·¹Áøµ¹±âÀÇ Çü¼º, ±æÀÌ, ºóµµ¿¡ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´Â °ÍÀ¸·Î
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#ÃÊ·Ï#
The purpose of this descriptive in vitro study were to evaluate the enamel-resin
interface of the preventive resin restoration with regard to etching patterns and
resin-tag morphology by means of scanning electron microscope.
The results were as follows;
1. Three basic etching patterns were appeared simultaneously in a same microscopic
section, in concentration between 20-50% phosphoric acid.
2. In 35% orthophosphoric acid group etched for 60 second, the etching pattern was
most prominent and demonstrate closely interdigitated with enamel-resin interface
without the evidence of microspace, and the resin tags were longest ranged from 10-15
um in length.
3. This patters of interface could reduce the incidence of marginal leakage and 2ndary
caries formation.
4. The preventive resin restoration could sere as sealing a questionable occlusal
surface.

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