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

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ÀÌ¿¬È£ ( Lee Yeon-Ho ) - ´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

ºÒ¼Ò´Â ±¸°­³»¿¡¼­ Ä¡¾Æ ¿ì½ÄÀÇ ¿¹¹æ ¹× Ãʱ⠿ì½ÄÀÇ À籤ȭ¸¦ À¯µµÇϱâ À§ÇÑ ¸ñÀûÀ¸·Î ³Î¸® »ç¿ëµÇ°í ÀÖÀ¸¸ç, ºÒ¼Ò°¡ À¯¸®µÇ´Â ¼öº¹¹°À» ÀÌ¿ëÇÏ°Ô µÇ¸é, ¼öº¹¹° ÁÖÀ§ÀÇ ÀÌÂ÷ ¿ì½Ä ¹× ±¸°­³»ÀÇ ¿ì½Ä °¨¼ö¼ºÀ» °¨¼Ò½Ãų ¼ö ÀÖ´Ù. ÇöÀç ¼Ò¾ÆÄ¡°ú ¿µ¿ª¿¡¼­ ÁÖ·Î »ç¿ëµÇ°í ÀÖ´Â ºÒ¼ÒÀ¯¸® ¼öº¹Àç·Î´Â, ÀüÅëÀûÀÎ ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó¿Í ·¹Áø °­È­Çü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó, ÄÄÆ÷¸Ó µîÀÌ Àִµ¥, º» ¿¬±¸¿¡¼­´Â ÇöÀç ¼Ò¾ÆÄ¡°ú ¿µ¿ª¿¡¼­ ¸¹ÀÌ »ç¿ëµÇ°í ÀÖ´Â ºÒ¼Ò¸¦ À¯¸®ÇÏ´Â ¼öº¹ÀçÀÇ ºÒ¼Ò À¯¸®·® ¹× ºÒ¼Ò Àû¿ë¹æ¹ý¿¡ µû¸¥ ºÒ¼ÒÀ¯¸®·®ÀÇ º¯È­¸¦ ºñ±³ÇÏ¿© È®ÀÎÇÏ°íÀÚ ÇÑ´Ù.

º¹ÇÕ·¹ÁøÀ¸·Î Z-250¢â(Group ¥°)°ú ÄÄÆ÷¸Ó·Î Dyract^(¢ç) AP(Group¥±), ·¹Áø °­È­Çü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó·Î Fuji ¥± LC^(¢ç)(Group ¥²), ÀÚ°¡ÁßÇÕÇü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó·Î Fuji ¥¸GP Fast^(¢ç)(Group ¥³)¸¦ ½ÇÇè´ë»óÀ¸·Î ¼±Á¤ÇÏ¿´´Ù. °¢ Àç·áº°·Î µ¿ÀÏÇÑ Å©±âÀÇ µð½ºÅ©¸¦ Á¦ÀÛÇÏ¿©, 31ÀÏ µ¿¾È ¸ÅÀÏ »õ·Î¿î ¿ë¾×À¸·Î ±³È¯Çϸ鼭 ºÒ¼Ò À¯¸®·®À» ÃøÁ¤ÇÏ¿´´Ù(½ÇÇè ¥°), ÀÌÈÄ ¼öº¹ Àç·áº°·Î ºÒ¼Ò Àû¿ë ¹æ¹ý¿¡ µû¶ó 4±ºÀ¸·Î ³ª´©´Âµ¥, A±ºÀº ´ëÁ¶±º(No treatment)À¸·Î, B±ºÀº ºÒ¼Ò°¡ ÇÔÀ¯µÈ Ä¡¾à(500ppm, Stages, Oral-B^(¢ç),Holland)À» 3ºÐ°£ 3ȸ Àû¿ëÇÏ°í, C±ºÀº 1.23% APF Foam(1000ppm, Sultan Topex,#31150,Canada)À» 1ȸ Àû¿ëÇϸç, D±ºÀº B±º°ú µ¿ÀÏÇÑ Ä¡¾àÀ» 3ȸ Àû¿ëÇÏ°í, 1.23% APF FoamÀ» 1ȸ Àû¿ëÇÏ¿´´Ù. ºÒ¼Ò Àû¿ë ÈÄ 7ÀÏ µ¿¾È ºÒ¼Ò À¯¸®·®À» ÃøÁ¤ÇÏ¿´´Ù(½ÇÇ襱).

½ÇÇè ¥°¿¡¼­, ½ÇÇè °³½ÃÀϺÎÅÍ 7ÀϱîÁö ºÒ¼Ò À¯¸®·®ÀÌ ±Þ¼ÓÈ÷ °¨¼ÒÇÏ°í, ÀÌÈÄ ÀÏÁ¤ÇÑ ºÒ¼Ò À¯¸®·®À» º¸¿´´Ù. ¥²±º (Fuji ¥±-LC^(¢ç))°ú ¥³±º (Fuji ¥¸GP Fast^(¢ç))ÀÌ ´Ù¸¥ ±º¿¡ ºñÇØ ³ôÀº ºÒ¼Ò À¯¸®·®À» º¸¿´À¸¸ç,¥²±º°ú¥³±º »çÀÌ¿¡¼­´Â À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. ½ÇÇè ¥±¿¡¼­, ºÒ¼Ò Àû¿ë ÈÄ ¥±,¥²,¥³±º¿¡¼­ ºÒ¼Ò À¯¸®·®ÀÌ Áõ°¡ÇÑ ¾ç»óÀ» º¸À̴µ¥,¥±±º¿¡¼­´Â ºÒ¼Ò Àû¿ë ÈÄ 2ÀÏ, ¥²±º¿¡¼­´Â 5ÀÏ,¥³±º¿¡¼­´Â 4ÀϺÎÅÍ ÃÊ±â ºÒ¼Ò À¯¸®·® ¼öÁØÀ¸·Î µ¹¾Æ°¬´Ù.

Fluoride released from dental restorative materials effectively declines the incidence and activity of dental caries and inhibits tooth demineralization. This study investigated the fluoride release and uptake characteristics of one composite resin (Z-250¢â)three glass ionomer-based restorative material (Dyract AP, Fuji ¥± LC^(¢ç),Fuji ¥¸ GP Fast^(¢ç)),Forty discs(6 mm diameter and 1 mm height) were prepared for each material. Each disc was immersed in 5ml of distilled water within polyethylene vial and stored at 37¡É. The distilled water was changed every 24 hours and the release of fluoride was measured for 31 days. At the end of this period. each specimen was subjected to one of four treatments : (A) no fluoride treatment (control) : (B) application of a fluoride dentifrice (500ppm) for three minutes three times : (C) application of the 1.23% acidulated phosphate fluoride(APF) foam for one minute once: (D) the same regimen as (B), plus application of the APF foam for one minute once. Then, all samples were reassessed for an additional 7 days.

For all samples, the greatest fluoride release was observed after the first day of the study but diminished with time. On the 7th day of the study. fluoride release level was stabilized. Fuji ¥±LC^(¢ç) and fuji ¥¸GP Fast^(¢ç) released higher amount of fluoride than other materials: however no statistically significant difference was found from Fuji ¥± LC^(¢ç) and Fuji ¥¸ GP Fast^(¢ç). The amount of fluoride of Dyract^(¢ç) AP Fuji ¥±LC^(¢ç) and Fuji ¥¸GP Fast^(¢ç) was increased after fluoride treatment, and diminished with time.

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ºÒ¼Ò À¯¸® ¹°Áú;ºÒ¼Ò ÀçÈí¼ö;±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó
Fluoride-releasing material;Fluoride re-uptake;Glass ionomer

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