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FLUORIDE RELEASE AND RECHARGE OF GLASS IONOMER CEMENTS

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¹èÀÍÇö ( Bae Ik-Hyun ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÀç¹® ( Kim Jae-Moon ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
Á¤Å¼º ( Jeong Tae-Sung ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è½Å ( Kim Shin ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

ÀÌÂ÷ ¿ì½ÄÀº ¼öº¹ ½ÇÆÐÀÇ ÁÖµÈ ¿øÀÎ Áß Çϳª·Î Áö¸ñµÇ°í ÀÖÀ¸¸ç, ÀÌ·Î ÀÎÇØ ºó¹øÈ÷ Àç¼öº¹À» ÇÏ°Ô µÈ´Ù. ÀÌÂ÷ ¿ì½ÄÀº Ç׿ì½Ä ÀÛ¿ëÀÌ ÀÖ´Â ºÒ¼Ò¸¦ ÇÔÀ¯ÇÑ ¼öº¹¹°À» »ç¿ëÇÏ¿© ¿¹¹æµÉ ¼ö ÀÖ´Ù. ±¸°­³»¿¡¼­ ºÒ¼Ò¸¦ À¯¸®ÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁø ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ¼öº¹Àç´Â ºÒ¼Ò¸¦ Àå±â°£ À¯¸®ÇÒ »Ó ¾Æ´Ï¶ó ºÒ¼ÒÀÇ ÀçÃæÀü ¹× ÀçÀ¯¸® ´É·ÂÀÌ ÀÖ¾î ºÒ¼ÒÀÇ ÀúÀå¼Ò ¿ªÇÒÀ» ÇÒ ¼ö ÀÖ´Ù.

µû¶ó¼­ º» ¿¬±¸´Â Åë»óÀÇ ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó¿Í °íÁ¡µµ ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ¹× º¹ÇÕ ·¹ÁøÀ» ´ë»óÀ¸·Î ºÒ¼ÒÀÇ À¯¸® ¾ç»ó°ú ºÒ¼ÒµµÆ÷¸¦ ÅëÇÑ ÀçÈí¼ö ÈÄ À¯¸® ¾ç»óÀ» ¾Ë¾Æº½À¸·Î½á ±âÁ¸ÀÇ ¼öº¹Àç¿Í »õ·Î¿î ¼öº¹Àç°£ÀÇ ÀÓ»óÀû À¯¿ë¼ºÀ» Æò°¡ÇÒ ¸ñÀûÀ¸·Î ½ÃÇàÇÏ¿´´Ù. 4Á¾ÀÇ ¼öº¹À縦 ´ë»óÀ¸·Î ºÒ¼Ò À¯¸®·® ¹× 2% NaF·Î ÀçÃæÀü ÈÄ ºÒ¼Ò À¯¸®·®À» °¢°¢ ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.

1. ½ÇÇè ´ë»óÀÇ ¸ðµç ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ¼öº¹Àç´Â Ãʱ⿡ ´Ù·®ÀÇ ºÒ¼Ò¸¦ À¯¸®ÇÏ°í ÀÌÈÄ Á¡Â÷ °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´´Ù.

2. 2% NaF ¿ë¾×À» ÅëÇÑ ÀçÃæÀü ÈÄÀÇ À¯¸®·®Àº Fuji IX, Ketac Fil, Ketac Molar, Z-100ÀÇ ¼øÀ¸·Î ³ªÅ¸³µ´Ù.

3. Fuji IXÀ» Á¦¿ÜÇÑ ¸ðµç ½ÇÇè ´ë»óÀÇ ¼öº¹Àç¿¡¼­ ¼öºÐÀÇ ¿µÇâÀ¸·Î Ç¥¸é °æµµ´Â À¯ÀÇÇÏ°Ô °¨¼ÒÇÏ¿´°í ºÒ¼Ò ÀçÃæÀü ÈÄ À¯¸®·®Àº ¼öºÐ Èí¼ö¿Í ºñ·ÊÇÏ¿´´Ù(P£¼0.05).

4. Fuji IXÀÌ Ãʱâ À¯¸®·®¿¡ ºñÇØ ÀçÃæÀü ÈÄ ´õ ¸¹Àº ºÒ¼Ò¸¦ À¯¸®¿´´Ù(P£¼0.05).

The replacement of dental restorations due to secondary caries is a continuing problem in restorative dentistry. The secondary caries can be partly prevented by using fluoride containing dental materials such as glass ionomer cement, which releases and be recharged with fluoride ion acting as a fluoride reservoir.

For the purpose of investigating the behaviors of fluoride release and recharge of conventional and high viscosity glass ionomer cements, the experiment was performed on the seven specimens each from 4 kinds of materials; 1 kind of conventional glass ionomer cement, 2 kinds of high viscosity glass ionomer cements and 1 kind of composite resin. The amount of fluoride release was measured over 7 days with pH£¯ion meter and fluoride specific electrode. After measuring daily fluoride release, the specimens were recharged with 2% NaF solutions for 4 minutes and measured for 3 days with recharging repeated two consecutive times. The results were as follows :

1. Significantly more fluoride was released at first day after recharge in all materials except Z-100.

2. High viscosity glass ionomer cements released more or nearly equal amount of fluoride after recharge compared with the initial release(P£¼0.05).

3. The fluoride release after recharge with 2% NaF solution was in order of Fuji IX, Ketac Fil, Ketac Molar, Z-100.

Å°¿öµå

±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó;ºÒ¼Ò;ÀçÃæÀü;Vicker¡¯s °æµµ;¼öºÐ;Èí¼ö
Glass ionomer;Fluoride;Recharge;Vicker¡¯s hardness;Water absorption

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