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COMPARISON OF MARGINAL MICROLEAKAGE BETWEEN LOW AND HIGH FLOWABLE RESINS IN CLASS V CAVITY

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¹è»ó¹è ( Bae Sang-Bae ) - Á¶¼±´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
Á¶¿µ°ï ( Cho Young-Gon ) - Á¶¼±´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
ÀÌ¸í¼± ( Lee Myeong-Seon ) - ¼­°­Á¤º¸´ëÇб³ Ä¡À§»ý°ú

Abstract

ÀÌ ¿¬±¸´Â 1´Ü°è ÀÚ°¡ºÎ½Ä Á¢ÂøÁ¦¿Í ÀúÀ¯µ¿¼º ¹× °íÀ¯µ¿¼º ·¹ÁøÀ» ÀÌ¿ëÇÑ 5±Þ ¿Íµ¿ ¼öº¹¹°¿¡¼­ ¹ý¶ûÁú°ú »ó¾ÆÁú º¯¿¬ÀÇ ¹Ì¼¼´©Ãâ Â÷À̸¦ »óÈ£ ºñ±³Çϱâ À§ÇÏ¿© ½ÃÇàÇÏ¿´´Ù. 40°³ÀÇ ´ë±¸Ä¡ÀÇ Çù, ¼³¸é Ä¡°æºÎ¿¡ 5±Þ ¿Íµ¿À» Çü¼ºÇÏ°í, 8°³¾¿ ¹«ÀÛÀ§·Î ¼±ÅÃÇÏ¿© »ç¿ëµÈ À¯µ¿¼º ·¹Áø¿¡ µû¶ó 5°³ÀÇ ±ºÀ¸·Î ºÐ·ùÇÏ¿© °¢ ±ºÀÇ ¿Íµ¿À» À¯µ¿¼º ·¹ÁøÀ¸·Î ÃæÀüÇÏ¿´´Ù (´ëÁ¶±º: Filtek Z 350, M-LF ±º: Metafil Flo ¥á, U-LF ±º:Unifil LoFlo Plus, M-HF ±º: Metafil Flo, U-HF ±º: Unifil Flow). °¢ ±ºÀÇ Ä¡¾Æ¸¦ 2% methylene blue ¿ë¾×¿¡ 24½Ã°£ µ¿¾È ħÀû½ÃŲ ´ÙÀ½, Çù¸é°ú ¼³¸éÀÇ 5±Þ ¼öº¹¹°ÀÇ Á߾Ӻΰ¡ Åë°úµÇµµ·Ï Àý´ÜÇÏ¿´´Ù. °¢ ±ºÀÇ Àý´Ü ½ÃÆí¿¡¼­ À¯µ¿¼º ·¹Áø ¼öº¹¹°ÀÇ ¹ý¶ûÁú°ú »ó¾ÆÁú º¯¿¬ºÎ¸¦ ±¤ÇÐ ÀÔüÇö¹Ì°æ ÇÏ¿¡¼­ »ö¼ÒħÅõ Á¤µµ¸¦ °üÂûÇÏ¿© ¹Ì¼¼´©Ãâ Á¡¼ö¸¦ Æò°¡ÇÏ¿´´Ù. º» ¿¬±¸ÀÇ °á°ú, 1´Ü°è ÀÚ°¡ºÎ½Ä Á¢ÂøÁ¦¿Í À¯µ¿¼º ·¹ÁøÀ» ÀÌ¿ëÇÏ¿© 5±Þ ¿Íµ¿À» ÃæÀüÇÑ °æ¿ì, °íÀ¯µ¿¼º ·¹Áøº¸´Ù ÀúÀ¯µ¿¼º ·¹ÁøÀÌ ³·Àº º¯¿¬ ¹Ì¼¼´©ÃâÀ» ³ªÅ¸³»¾î 5±Þ ¿Íµ¿¿¡¼­ ÀúÀ¯µ¿¼º ·¹ÁøÀÇ »ç¿ëÀÌ ÃßõµÈ´Ù.

The purpose of this study was to compare the microleakage of low and high viscosity flowable resins in class V cavities applied with 1-step adhesives. Forty class V cavities were prepared on the cervices of buccal and lingual surfaces of extracted molar teeth and divided into four groups (n=8). Cavities were restored with AQ Bond Plus /Metafil Flo ¥á, GBond/UniFil LoFlo Plus (Low flow groups), AQ Bond Plus/Metafil Flo and G-Bond/UniFil Flow (High flow group), respectively. Specimens were immersed in a 2% methylene blue solution for 24 hours, and bisected longitudinally. They were observed microleakages at the enamel and dentinal margins. In conclusion, the low viscosity flowable resins showed lower marginal microleakage than do the high viscosity flowable resins in class V cavities. [J Kor Acad Cons Dent 34(5):477-483, 2009]

Å°¿öµå

1´Ü°è ÀÚ°¡ºÎ½Ä Á¢ÂøÁ¦;ÀúÀ¯µ¿¼º ·¹Áø;°íÀ¯µ¿¼º ·¹Áø;5±Þ ¿Íµ¿;¹ý¶ûÁú º¯¿¬;»ó¾ÆÁú º¯¿¬;¹Ì¼¼´©Ãâ
Microleakage;Low and high viscosity flowable resin;Class V cavities;1-step adhesives;Enamel margin;Dentinal margin

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