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In Vitro Study on Marginal Leakage of CL ¥± Restorations in Primary polars

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Abstract

°á·Ð
ÀúÀÚ´Â ¹ß°ÅµÈ 60°³ÀÇ À¯±¸Ä¡¸¦ ¼±ÅÃÇÏ¿© 60°³ÀÇ Á¦ ¥±±Þ ¿Íµ¿À» Çü¼ºÇÑ ÈÄ ¾Æ¸»°¨,
Heliomolar, Heliomolar-InlayÀÇ ¼¼ Á¾·ùÀÇ ÃæÀüÀç·Î ÃæÀüÇÏ¿© ±³ÇÕ º¯¿¬ºÎ¿Í Ä¡Àº º¯¿¬ºÎÀÇ
º¯¿¬´©ÃâÀÇ Á¤µµ¸¦ Methylene blue¸¦ ÀÌ¿ëÇÑ »ö¼Ò ħÅõ¹ýÀ¸·Î ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú
¸¦ ¾ò¾ú´Ù.
1. ±³ÇÕ º¯¿¬ºÎ¿¡¼­ Amalgam, Heliomolar, Heliomolar-Inlay»çÀÌ¿¡ º¯¿¬´©Ãâ Á¤µµ¿¡ Åë°èÇÐ
Àû À¯ÀÇÂ÷°¡ ¾ø¾ú´Ù. (p<0.01)
2. Ä¡Àº º¯¿¬ºÎ¿¡¼­ Heliomolar-Inlay°¡ Amalgam, Heliomolarº¸´Ù º¯¿¬´©ÃâÀÌ Àû¾úÀ¸¸ç Åë
°èÇÐÀû À¯ÀÇÂ÷°¡ ÀÖ¾ú´Ù. (p<0.01)
3. Amalgam°ú Heliomola´Â Ä¡Àº º¯¿¬ºÎÀÇ º¯¿¬´©ÃâÀÌ ±³ÇÕ º¯¿¬ºÎÀÇ º¯¿¬´©Ã⺸´Ù Å©°Ô
³ªÅ¸³µÀ¸¸ç Åë°èÇÐÀû À¯ÀÇÂ÷°¡ ÀÖ¾ú´Ù.(p<0.01)
4, Heliomolar-Inlay´Â Ä¡Àº º¯¿¬ºÎÀÇ º¯¿¬ ´©ÃâÀÌ ±³ÇÕ º¯¿¬ºÎÀÇ º¯¿¬´©Ã⺸´Ù ¾à°£ Å©°Ô
³ªÅ¸³µÀ¸³ª Åë°èÇÐÀû À¯ÀÇÂ÷°¡ ¾ø¾ú´Ù.(p<0.01)
ÀÌ»óÀÇ °á°ú·Î º¼ ¶§ º¹ÇÕ ·¹ÁøÀÇ Ä¿´Ù¶õ ¹®Á¦Á¡ÀÇ ÇϳªÀÎ Ä¡Àº º¯¿¬ºÎ º¯¿¬´©ÃâÀÌ º¹ÇÕ·¹
Áø Inlay »ç¿ëÀ¸·Î ÇöÀúÈ÷ °¨¼ÒÇÏ¿´À¸¹Ç·Î À¯±¸Ä¡ Á¦ ¥±±Þ ¿Íµ¿ ¼öº¹ ½Ã º¯¿¬´©Ãâ¸é¿¡¼­´Â
º¹ÇÕ·¹Áø Inlay°¡ °¡Àå ¿ì¼öÇÑ ¼öº¹Àç¶ó°í »ç·áµÈ´Ù.
#ÃÊ·Ï#
The purpose of this in vitro study was to evaluate the marginal leakage of class K
composite resin inlay restoration and to compare marginal leakage of inlay with directly
placed composite restoration and amalgam restoration. 60 MO or DO preparations were
cut in 60 extracted human primary molars. 1st experimental group was directly filled
with Heliomolar after being etched, and dentin bonding agent (Heliobond) were applied,
2nd experimental group was restored with Heliomolar inlay with dual cement, Their
specimens were thermocycled 1000 times between 5¡É and 55¡É. Microleakage was
evaluated by use of the methylene blue staining technique. The depth of leakage was
measure with stereomicroscopy after the teeth were sectioned The following results
were obtained .
1. There was no difference in marginal leakage of occlusal margins of all groups.
2. At the gingival margin, the Heliomolar-inlay leaked less than the amalgam & the
Heliomolar, there was difference between them,
3. There was difference in leakage between the gingival margin and the occlusal margin
in the Amalgam and the Heliomolar
4. There was no difference in leakage between the gingival margin and occlusal margin
in the Heliomolar-inlay

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