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SOLUBILITY AND FLUORIDE RELEASE FROM RESIN-REINFORCED GLASS IONOMER CEMENTS AND COMPOMERS

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Abstract

°á·Ð
Àç·¡Çü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®ÀÇ ´ÜÁ¡À» º¸¿ÏÇϱâ À§ÇÏ¿© ·¹ÁøÀ¸·Î °­È­ÇÑ ±¤ÁßÇÕÇü
±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®°¡ ¼Ò°³µÇ¾ú°í ÃÖ±Ù¿¡´Â ÀÌ·¯ÇÑ ·¹Áø °­È­Çü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó¿Í
´Â ´Ù¸¥ ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó¿Í ·¹ÁøÀÇ º¹ÇÕü°¡ ÄÞÆ÷¸Ó ȤÀº Æú¸®»ê º¯Çü ·¹ÁøÀ̶ó´Â ¸íĪÀ¸
·Î ¼Ò°³µÇ°í ÀÖ´Ù. ¸¹Àº ¿¬±¸¿¡¼­ ÄÞÆ÷¸Ó¿Í ·¹Áø °­È­Çü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®ÀÇ ±¸ºÐ
ÀÌ ¸íÈ®È÷ ÀÌ·ç¾îÁöÁö ¾Ê°í ÀÖ°í ±×·³¿¡µµ ºÒ±¸ÇÏ°í µÎ Àç·áÀÇ ¼ºÁúÀº Â÷À̸¦ º¸ÀÌ°í ÀÖ´Ù.
º» ¿¬±¸¿¡¼­´Â ·¹Áø °­È­Çü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ® 2Á¾ (FUL, VTR), ÄÞÆ÷¸Ó 2Á¾(DYR,
CPG) ¹× ´ëÁ¶±ºÀ¸·Î Àç·¡Çü ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ® 1 Á¾ (FUJ)À» ´ë»óÀ¸·Î ÇÏ¿© 1, 7,
14, 30 ¹× 60 ÀÏ µ¿¾È Áõ·ù¼ö¿Í 0.1 M Á¥»ê ¼ö¿ë¾×¿¡¼­ÀÇ ¿ëÇصµ¿Í Áõ·ù¼ö¿¡¼­ÀÇ ºÒ¼ÒÀ¯¸®
¾çÀ» ºÒ¼ÒÀÌ¿Â Àü±ØÀ¸·Î ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. Áõ·ù¼ö¿¡ ħÀûÇÑ °æ¿ì ·¹Áø ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®ÀÇ ¿ëÇصµ´Â ´ëÁ¶±ºÀÎ ÀçÇØÇü ±Û
¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®¿Í ¸¶Âù°¡Áö·Î 7 ÀÏÈÄ¿¡´Â °¨¼ÒÇÏ¿´À¸³ª ±× ÀÌÈÄ¿¡´Â Áõ°¡ÇÏ´Â ¾ç»ó
À» º¸¿´´Ù (p<0.05).
2. ÄÞÆ÷¸ÓÀÇ ¿ëÇصµ´Â ½ÇÇè±â°£ Áß Çѹøµµ Áõ°¡ÇÏÁö ¾Ê°í °è¼Ó °¨¼ÒÇÏ¿´´Ù(p<0.05).
3. 0.1 M Á¥»ê ¼ö¿ë¾×¿¡ ħÀûÇÑ °æ¿ì FUJÀÇ ¿ëÇصµ°¡ ½ÇÇè ±â°£µ¿¾È °è¼ÓÀûÀ¸·Î °¡Àå ³ô
°Ô ³ªÅ¸³µ°í VTR, FUL, CPG, DYRÀÇ ¼ø¼­·Î ¿ëÇصµ°¡ ³ô¾Ò´Ù.
4. ÃʱâÀÎ 1 ÀÏ, 7 ÀÏÈÄ¿¡ DYR, CPG´Â FUL°ú VTRº¸´Ù ÇöÀúÈ÷ ³·Àº ¾çÀÇ ºÒ¼Ò¸¦ À¯¸®
ÇÏ¿´´Ù.
5. ·¹Áø °­È­Çü ½Ã¸àÆ®¿¡¼­ ¿ëÇصµ°¡ ³ôÀ»¼ö·Ï ºÒ¼ÒÀ¯¸® ¾çµµ Áõ°¡ÇÏ¿´´Ù(p<0.05).
#ÃÊ·Ï#
The purpose of this study was to compare both the solubility of the resin-reinforced
glass ionomer cements and composers in deionized water and 0.1 M lactic acid and the
fluoride release into deionized water. Two resin-reinforced glass ionomer cements, two
compomers, and one conventional glass monomer cement as control were tested. Six
disk-form specimens (10 mm ¡¿1 mm) of each cement were prepared. After initial
weight measurement, the specimens were immersed in deionized water and 0.1 M lactic
acid solution at 37¡¾1¡É for 1, 7, 14, 30, and 60 days. After the immersion at specific
periods, the specimens were rinsed and dried and reweighted for final weight and
determined the solubility. In fluoride release measurement, the media were changed and
fluoride concentration was measured by using a fluoride ion electrode (Phoenix Electrode
Co., U.S.A.) and standard solutions for 1, 7, 14, 30, and 60 days.
From the experiment, the following results were obtained
1. The solubility of the resin-reinforced glass ionomer cements was decreased until 7
days as well as control, after then increased in deionized water immersion.
2. The solubility of the compomers was continuously decreased in deionized water.
3. The solubility of the FUJ was the highest in the test periods, then VTR, FUL,
CPG, and DYR in order in 0.1 M lactic acid solution.
4. At initial periods, DYR and CPG released much less fluoride ions than FUL and
VTR.
5. Fluoride release was increased with the increase of solubility in resin-reinforced
glass ionomer cements.

Å°¿öµå

Compomer; fluoride resin-reinforced glass ionomsr cemerots; solubility;

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