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A STUDY ON THE MICROLEAKAGE OF DENTIN BONDING SYSTEMS

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¼ÕÁ¤¹Î ( Son Jeong-Min ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
ÃÖ³²±â ( Choi Nam-Ki ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
±è¼±¹Ì ( Kim Seon-Mi ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
¾ç±ÔÈ£ ( Yang Kyu-Ho ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
¹ÚÁöÀÏ ( Park Ji-Il ) - ±¤ÁÖº¸°Ç´ëÇб³ Ä¡À§»ý°ú

Abstract

º» ¿¬±¸´Â ¿©·¯°¡Áö »ó¾ÆÁú Á¢ÂøÁ¦µéÀÇ ¹ý¶ûÁú º¯¿¬°ú »ó¾ÆÁú º¯¿¬¿¡¼­ÀÇ ¹Ì¼¼´©ÃâÀ» ºñ±³ Æò°¡Çϱâ À§ÇØ ÀÌ·ç¾îÁ³´Ù. ¹ß°ÅµÈ °ÇÀüÇÑ ¿µ±¸Ä¡ÀÇ Çù¸é°ú ¼³¸é¿¡ 5±Þ ¿Íµ¿À» Çü¼ºÇÏ°í Çü¼ºµÈ 50°³ÀÇ ¿Íµ¿À» ¹«ÀÛÀ§·Î 5°³ÀÇ ±ºÀ¸·Î ³ª´©¾î °¢±º¿¡ Adper Scotchbond Multi-purpose Plus Adhesive (SM; 3M ESPE, USA), Adper Single bond 2 (SB; 3M ESPE, USA), Clearfil SE Bond (SE; Kuraray Medical Inc., Japan), Adper Prompt L-Pop (PL; 3M ESPE, USA), GBond (GB; GC Co., Japan)¸¦ Àû¿ëÇÏ°í Filtec$ Z350 A3 (3M ESPE, USA)·Î ÃæÀüÇÏ¿´´Ù. ½ÃÆíÀ» Áõ·ù¼ö¿¡ 24 ½Ã°£ º¸°üÇÑ ÈÄ ¿Í ¿¡¼­ 10Ãʾ¿ 1000ȸ ¿­¼øȯÇÏ°í 2% methylene blue ¿ë¾×¿¡ 24½Ã°£ ³Ö¾î ¿°»öÇÑ µÚ, ÁÖ¼ö ÇÏ¿¡ Ä¡¾Æ¸¦ Çù¼³·Î Àý´ÜÇÏ¿© »ö¼ÒÀÇ Ä§Åõ Á¤µµ¸¦ È­»óºÐ¼®Çö¹Ì°æÀ» ÀÌ¿ëÇÏ¿© ħÅõ±íÀ̸¦ ÃøÁ¤ÇÑ µÚ °¢ ±º°£ÀÇ ¹Ì¼¼´©Ãâ Á¤µµ¸¦ ºñ±³ÇÏ¿© ħÅõ±íÀÌ¿¡ µû¶ó Á¡À¸·Î ºÐ·ùÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. ¹ý¶ûÁú º¯¿¬¿¡¼­ÀÇ ¹Ì¼¼´©ÃâÀº PL(0.85), SB(0.55), GB(0.50), SM(0.35), SE(0.25) ¼øÀ̾úÀ¸¸ç PLÀº SM ¹× SE ¿Í Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³Â´Ù(p<0.05). 2. »ó¾ÆÁú º¯¿¬¿¡¼­ÀÇ ¹Ì¼¼´©ÃâÀº GB(2.10), SE(1.45), PL(1.40), SB(1.05), SM(0.70)¼øÀ̾úÀ¸¸ç GB´Â SB ¹× SM °ú Åë°èÇÐÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³Â´Ù(p<0.05). 3. °¢ ½ÇÇèÀç·á ±º³»¿¡¼­ ¹ý¶ûÁú º¯¿¬¿¡ ºñÇØ »ó¾ÆÁú º¯¿¬¿¡¼­ ¹Ì¼¼´©ÃâÀÌ ´õ Å©°Ô ³ªÅ¸³µÀ¸¸ç, SE, PL, GB¿¡¼­ Åë°èÇÐ ÀûÀ¸·Î À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³Â´Ù.(p<0.05)

The objective of this study was to compare the microleakage of five adhesive systems in the enamel and dentin of permanent teeth. Class V cavity preparations with occlusal margins in enamel and gingival margins in dentin were prepared on both buccal and lingual surfaces of 25 extracted human molar teeth. The tested adhesives were: Adper Scotchbond Multi-purpose Plus Adhesive (SM), Adper Single bond 2 (SB), Clearfil SE Bond (SE), Adper Prompt L-Pop (PL) and G-Bond (GB). The results were as follows: 1. At the enamel margins, PL showed the highest leakage value(0.85), and others showed values of SB(0.55), GB(0.50), SM(0.35) and SE(0.25) in decreasing order. There were statistically significant differences in PL vs. SM and PL vs. SE(p<0.05). 2. At the dentin margins, GB showed the highest leakage value(2.10), and others showed values of SE(1.45), PL(1.40), SB(1.05), SM(0.70) in decreasing order. There were statistically significant differences in GB vs. SB and GB vs. SM(p<0.05). 3. Dentin margins showed high dye penetration rate than enamel margins in all material tested groups and there were statistically significant differences for SE, PL and GB.

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»ó¾ÆÁú Á¢ÂøÁ¦; ¹Ì¼¼´©Ãâ; ¹ý¶ûÁú; »ó¾ÆÁú
Dentin bonding system; Microleakage; Enamel; Dentin

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