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LONG-TERM EVALUATING OF THE REMINERALIZATION OF INTERPROXIMAL CARIES ADJACENT TO GLASS IONOMER RESTORATIONS: A MICRO-CT STUDY

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ÀÌÇõ»ó ( Lee Hyeok-Sang ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç ¹× Ä¡Çבּ¸¼Ò
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Àå±âÅà( Jang Ki-Taeg ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç ¹× Ä¡Çבּ¸¼Ò
±è¿µÀç ( Kim Young-Jae ) - ¼­¿ï´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç ¹× Ä¡Çבּ¸¼Ò

Abstract

±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®´Â Ãʱ⠿ì½Ä Ä¡ÁúÀÇ À籤ȭ È¿°ú°¡ ÀÖ´Ù°í ¾Ë·ÁÁ® ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ¼¼ °¡Áö Á¾·ùÀÇ ½ÃÆǵǰí ÀÖ´Â ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®(Fuji IX GP, Vitremer, F2000)¸¦ ½ÇÇ豺À¸·Î, ÄÄÆÛÁþÆ® ·¹Áø(Filtek Z250)À» ´ëÁ¶±ºÀ¸·Î »ç¿ëÇÏ¿© 9°³¿ù°£ ÀÎÁ¢¸é ¿ì½ÄÁõ¿¡ ´ëÇÑ À籤ȭ È¿°ú¸¦ ½ÃÆíÀÇ Æı« ¾øÀÌ 3°³¿ù °£°ÝÀ¸·Î ¹Ì¼¼Àü»êÈ­ ´ÜÃþÃÔ¿µÀ¸·Î ½ÃÆíÀÇ »óÀ» ¾ò°í, ÀÌ·¸°Ô ¾òÀº »óÀ» 3Â÷¿øÀ¸·Î À籸¼ºÇÏ°í ¿ì½Ä ºÎÀ§ÀÇ ¹Ì¼¼¹ÐµµÀÇ º¯È­¸¦ ÃøÁ¤ÇÏ¿© À籤ȭ Á¤µµ¸¦ Æò°¡ÇÏ¿´´Ù. ÀÎÁ¢¸é ¼öº¹¹°Àº Àΰø ¿ì½Ä º´¼Ò°¡ ÀÖ´Â Ä¡¾Æ ½ÃÆí°ú ¼öº¹ Àç·á(¼¼°¡Áö ±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ¹× ÄÄÆÛÁþÆ® ·¹Áø)¸¦ Á¢Ã˽ÃÄÑ ÀçÇöÇÏ¿´°í, ÀÌ°ÍÀ» Àΰø Ÿ¾×¿¡ ¿ÏÀüÈ÷ Àá±âµµ·Ï ÇÏ¿© pH 7.0, 37 {circ}C¸¦ À¯ÁöÇÏ¿´´Ù. Ä¡¾Æ ½ÃÆíµéÀº ½ÇÇè ½ÃÀÛ ÈÄ 90, 180, 270ÀÏ µÚ¿¡ ²¨³»¾î ¹Ì¼¼ Àü»êÈ­ ´ÜÃþ ÃÔ¿µÀ» ½ÃÇàÇÏ¿´´Ù. ¾ò¾îÁø ¿µ»óÀ» Vworks {TM} 4.0(CyberMed, Korea)À» »ç¿ëÇÏ¿© °¢ ½ÃÆíÀÇ ¹Ì¼¼ ¹Ðµµ °ªÀ» ¾ò¾î³½ ÈÄ, °¢ ±º¿¡¼­ ¾ò¾îÁø °ªÀº SPSS 11ÆÇÀ» »ç¿ëÇÏ¿©, one-way ANOVA·Î ºÐ¼®ÇÏ°í, post HOC Tukey multiple comparison test·Î °ËÁõÀ» ½ÃÇàÇÏ¿´´Ù. ±× °á°ú ¸ðµç ±º¿¡¼­ º´¼ÒÀÇ ¹Ðµµ°¡ Áõ°¡ÇÏ¿´À¸¸ç, ¸Å 3°³¿ù¸¶´Ù ½ÇÇ豺ÀÇ Æò±Õ ¹Ðµµ Áõ°¡·®Àº ´ëÁ¶±ºÀÇ Æò±Õ ¹Ðµµ Áõ°¡·®°ú ºñ±³ÇÏ¿© À¯ÀÇÇÏ°Ô ³ô¾Ò´Ù(P<0.05)¶ÇÇÑ ½ÇÇ豺 °£ÀÇ ¹Ðµµ Áõ°¡´Â Åë°èÀûÀÎ À¯ÀÇ Â÷°¡ ¾ø¾ú´Ù. À̹ø ½ÇÇèÀÇ ÀÇÀÇ´Â ±âÁ¸ÀÇ ¿¬±¸ ¹æ¹ýÀ¸·Î ¾Ë·ÁÁ® ÀÖ´ø ±Û¶ó½º ¾ÆÀÌ¿À³ë¸ÓÀÇ Ãʱ⠿ì½Äº´¼Ò À籤ȭ È¿°ú¸¦ º¸´Ù ½Ã°¢ÀûÀÌ°í °´°üÀûÀÎ ¹æ¹ýÀ¸·Î °ËÁõÇß´Ù´Â Á¡°ú ¿ì½Ä º´¼ÒÀÇ À籤ȭ È¿°úÀÇ ¿¬±¸¿¡ »ç¿ëµÉ ¼ö ÀÖ´Â »õ·Î¿î ¿¬±¸ ¹æ¹ýÀ» Á¦½ÃÇÑ Á¡¿¡ ÀÖ´Ù.

This in vitro study compared the remineralization of incipient interproximal caries in the presence of three glass ionomer cements (highly-filled glass ionomer cement, compomer, resin-modified glass ionomer cement) and a resin composite(control). The long-term changes in remineralization caused by each material were evaluated by microtomography. Proximal restoration was simulated by placing tooth specimens and the various glass ionomer cements in closed containers with artificial saliva at 37 {circ}C and pH 7.0 for 30 days with constant circulation Tomographic images were obtained with a micro CT scanner at 90, 180, and 270 days, and density-measuring software was used to calculate the micro-density of artificial caries lesions in the specimens. The mean density changes were compared between groups in order to evaluate the effects of remineralization. All data were analyzed using one-way ANOVA and the post-HOC Tukey multiple comparison test at p<0.05. While the density of artificial caries lesions increased for all treatments, the increases for the three glass ionomer groups were significantly higher than that for the resin group in each three month period. As time went on, the amount of density increase of the glass ionomer groups decreased, and significant differences were found between the remineralization effects of the glass ionomer groups.

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±Û¶ó½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®;À籤ȭ;ÀÎÁ¢¸é ¿ì½ÄÁõ;¹Ì¼¼ Àü»êÈ­ ´ÜÃþ ÃÔ¿µ
Glass ionomer cement;Remineralization;Proximal caries;Micro- Computerized Tomography

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