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COMPARATIVE STUDY OF FLUORIDE RELEASE AND RE-UPTAKE OF SEVERAL RESTORATIVE MATERIALS

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±è¼ö¿¬ ( Kim Soo-Yeon ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾¼ö ( Kim Jong-Soo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
À¯½ÂÈÆ ( Yoo Seung-Hoon ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

º» ¿¬±¸´Â ºÒ¼Ò À¯¸® ¼öº¹ÀçÀÇ ºÒ¼Ò À¯¸® ¹× ÀçÈí¼ö ¾ç»óÀ» ºñ±³ Æò°¡Çϱâ À§ÇÏ¿© ¼öº¹ ÈÄ 45ÀÏ°£ ºÒ¼Ò À¯¸®·®À» ÃøÁ¤ÇÏ°í, ÀÌÈÄ APF Á©°ú ºÒ¼Ò ¹Ù´Ï½¬ µµÆ÷ ÈÄ ÀçÈí¼öµÈ ºÒ¼ÒÀÇ À¯¸® ¾ç»ó°ú ÁÖ»ç ÀüÀÚÇö¹Ì°æÀ» ÀÌ¿ëÇÑ ½ÃÆíÀÇ Ç¥¸é °ÅÄ¥±â º¯È­¸¦ ºñ±³ Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù. º¹ÇÕ·¹Áø, À¯µ¿¼º º¹ÇÕ·¹Áø, ÄÄÆ÷¸Ó, ±¤ÁßÇÕÇü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó, ÀÚ°¡ÁßÇÕÇü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó¸¦ ½ÃÆíÀ¸·Î Á¦ÀÛÇÏ¿© ½ÃÆí¿¡¼­ ¹æÃâµÇ´Â ºÒ¼ÒÀÇ ¾çÀ» óÀ½ ÀÏÁÖÀÏ µ¿¾ÈÀº 1ÀÏ °£°ÝÀ¸·Î ÃøÁ¤ÇÏ°í 8ÀÏ¿¡¼­ 38ÀÏ »çÀÌ´Â 3ÀÏ °£°ÝÀ¸·Î ÃøÁ¤ÇÏ¿´´Ù. ºÒ¼Ò°¡ ¿ÏÀüÈ÷ À¯¸®µÈ ÈÄ APF Á©°ú ºÒ¼Ò ¹Ù´Ï½¬¸¦ µµÆ÷ÇÏ¿© 4ÁÖ°£ ºÒ¼Ò À¯¸®ÀÇ º¯È­¿Í ÁÖ»ç ÀüÀÚÇö¹Ì°æÀ» ÀÌ¿ëÇÑ ½ÃÆíÀÇ Ç¥¸é °ÅÄ¥±â¸¦ ºñ±³ Æò°¡ÇÑ ÈÄ ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. ºÒ¼Ò À¯¸® ¼öº¹Àç¿¡¼­ 38ÀÏ µ¿¾È ºÒ¼Ò À¯¸®´Â À¯µ¿¼º º¹ÇÕ·¹ÁøÀº 1 ppmÀÌÇÏ·Î, ÄÄÆ÷¸Ó´Â 1-2 ppm, ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó´Â 2-8 ppm À¸·Î Áö¼ÓÀûÀÎ À¯¸®°¡ °üÂûµÇ¾ú°í, ½ÇÇè 45ÀÏ °æ°ú ÈÄ ºÒ¼Ò À¯¸®´Â °ÅÀÇ µÇÁö ¾Ê¾Ò´Ù. 2. ºÒ¼Ò µµÆ÷ ÈÄÀÇ ºÒ¼Ò À¯¸®´Â ºÒ¼Ò ¹Ù´Ï½¬º¸´Ù APF Á© µµÆ÷ ÈÄ°¡ Áõ°¡µÇ¾ú´Ù. ºÒ¼Ò µµÆ÷ ù³¯ÀÇ ºÒ¼Ò À¯¸®¿¡¼­ ºÒ¼Ò ¹Ù´Ï½¬´Â 0.6-0.2 ppm, APF Á©Àº 0.6-2.6 ppmÀ¸·Î À¯ÀÇ ÇÒ ¸¸ÇÑ Â÷À̸¦ º¸¿´°í (p<0.05), ³ª¸ÓÁö 4ÁÖ°£Àº ´ëºÎºÐ ºñ½ÁÇÑ Á¤µµÀÇ À¯¸®¸¦ º¸¿´´Ù. 3. ÁÖ»çÀüÀÚÇö¹Ì°æÀû ¼Ò°ßÀº ºÒ¼Ò¸¦ µµÆ÷½ÃÅ°Áö ¾ÊÀº ´ëÁ¶±º¿¡ ºñÇØ ºÒ¼Ò¸¦ µµÆ÷½ÃŲ ½ÇÇ豺ÀÌ °ÅÄ£ Ç¥¸éÀ» ³ªÅ¸³Â´Ù. APF Á©°ú ºÒ¼Ò ¹Ù´Ï½¬ µµÆ÷ ÈÄ APF Á©º¸´Ù ºÒ¼Ò ¹Ù´Ï½¬ÀÇ Ç¥¸é °ÅÄ¥±â°¡ Àû¾ú´Ù.

In the child, it is very important that he/she will have the ability to suppress aesthetic restorative materials of secondary caries. With the representative preventive material against caries, the importance of fluoride is more emphasized. This study examined the differences in fluoride release and re-uptake among some restorative materials, following a treatment of APF gel and fluoride varnish. The surface roughness was observed under scanning electron microscope. Studying this will provide for the research to find effective restorative materials and fluoride type in tooth caries prevention. It is applied from presence at a clinic that restorative materials are resin, flowable resin, compomer and glass ionomer. Fluoride release was measured at 24-hour intervals for 7 days, 3-day intervals from 8th to 38th day using an ion-selective electrode and analyzer. Then, the materials were treated with the fluoride gel and fluoride varnish respectively, fluoride release was measured and specimens were evaluated under scanning electron microscope for 4 weeks. It was concluded that 1. Fluoride was released for 38 days from restorative materials under 1 ppm in case of flowable resin, 1-2 ppm in compomer and 2-8 ppm in glass ionomer, a few of fluoride was released after 45 days 2. Fluoride has more releasing after application of APF gel than fluoride varnish. Fluoride re-uptake was observed under 0.6-0.2 ppm in fluoride varnish and 0.6-2.6 ppm in APF gel after starting the procedure one day(p<0.05). For the remaining 4 weeks, they demonstrated a similar release. 3. Specimens were evaluated under scanning electron microscope. Applied fluoride in the experimental group surface was rougher than the control group that did not receive fluoride application. Fluoride varnish group had a smoother surface than both the APF gel group and the varnish APF gel group that received a fluoride application.

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ºÒ¼Ò ÀçÈí¼ö;ºÒ¼Ò À¯¸®;APF Á©;ºÒ¼Ò ¹Ù´Ï½¬;±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó
Fluoride uptake;Fluoride release;APF gel;Fluoride varnish;Glass ionomer

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