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COMPARATIVE STUDY ON THE FLUORIDE RELEASE AND COMPRESSIVE STRENGTH OF SEVERAL F-CONTAINING RESTORATIVE MATERIALS

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¹ÚÁö¿µ ( Park Ji-Young ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è¼º¿À ( Kim Seung-Oh ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾¼ö ( Kim Jong-Soo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

º» ¿¬±¸´Â »õ·Î °³¹ßµÈ ·¹Áø °­È­Çü ±Û·¡½º ¾ÆÀÌ¿À³ë¸ÓÀÎ N 100°ú Fuji Fil LCÀÇ °³¼±µÈ Á¡À» º¸±â À§ÇØ ºÒ¼Ò À¯¸®·®°ú ¾ÐÃà °­µµ¸¦ Fuji II LC¿Í ºñ±³ Æò°¡ÇØ º¸¾Ò´Ù. ºÒ¼Ò À¯¸®·® ÃøÁ¤À» À§ÇØ °¢ Àç·á º°·Î ½ÃÆíÀ» 15°³¾¿ Á¦ÀÛÇÏ¿© Å»À̿¼ö¿¡ º¸°üÇÏ¿´°í, 31ÀÏ µ¿¾È pH/ISE meter(750P, Istek, Korea)¸¦ ÀÌ¿ëÇÏ¿© ºÒ¼Ò À¯¸®·®À» ÃøÁ¤ÇÏ¿´´Ù. ¾ÐÃà °­µµ ÃøÁ¤À» À§ÇØ °¢ Àç·áº°·Î 15°³¾¿ ½ÃÆíÀ» Á¦ÀÛÇÏ¿© ¸¸´É °æ¼º ½ÃÇè±â(Kyung-sung Testing Machine Co., Korea)¸¦ ÀÌ¿ëÇÏ¿© ½ÃÆíÀÌ ÆÄÀýµÈ ½ÃÁ¡ÀÇ ÃÖ´ë °­µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. ¿¬±¸ °á°ú ¾òÀº °á·ÐÀº ´ÙÀ½°ú °°´Ù. 1. Àü¹ÝÀûÀÎ ºÒ¼Ò À¯¸®·®Àº Fuji Fil LC, Fuji II LC, N 100 ¼øÀ¸·Î ³ô¾Ò´Ù(p<0.05). 2. ¾ÐÃà °­µµ´Â Fuji II LC¿Í N 100Àº À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú°í(p>0.05), Fuji Fil LC´Â µÎ Àç·áº¸´Ù ³·Àº ¾ÐÃà °­µµ °ªÀ» º¸¿´´Ù(p<0.05). ÀÌ»óÀÇ °á°ú¸¦ Á¾ÇÕÇغ¸¸é N 100Àº ´ëÁ¶±ºÀÎ Fuji II LC¿Í ºñ±³ ½Ã ºÒ¼Ò À¯¸®·®Àº Àû¾úÀ¸³ª ¾ÐÃà °­µµ´Â À¯»çÇß°í Fuji Fil LC´Â ºÒ¼Ò À¯¸®·®Àº ³ô¾Ò°í ¾ÐÃà °­µµ´Â ³·¾Ò´Ù. ÀÌ·± Àç·áÀÇ Æ¯¼º¿¡ ¸Â°Ô ÀÓ»ó Àû¿ëÀ» ÇÏ´Â °ÍÀÌ Áß¿äÇÒ °ÍÀÌ´Ù.

This study was performed to compare the fluoride release pattern and compressive strength of recently developed resin-modified glass ionomers( N 100 and Fuji Fil LC) with those of conventional glass ionomer restorative material(Fuji II LC). Fifteen sample discs(6 mm diameter and 1 mm height) were prepared for each tested material. The fluoride release was measured by pH/ISE meter(750P, Istek, Korea) for 31 days. For compressive strength experiment, fifteen cylindrical specimens were prepared for each tested material. Each specimen was submitted to compressive strength testing in an universal testing machine(Kyung-sung Testing Machine Co., Korea) at crosshead speed of 5.0mm/min until failure. The results can be summarized as follows; 1. Fuji Fil LC released the highest amount of fluoride, followed by Fuji II LC and N 100(p<0.05). 2. The compressive strength of Fuji Fil LC was the lowest(p<0.05). However, no significant difference was found from Fuji II LC and N 100(p>0.05). By considering the above results, careful case selection and accurate clinical application is recommended when using N 100 and Fuji Fil LC.

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Fluoride releasing;Strength of resin-modified glass ionomer

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