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RESISTANCE TO DEMINERALIZATION OF ENAMEL OF PRIMARY TEETH ACCORDING TO RESTORATIONS: IN VITRO STUDY USING QLF

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±ÇÇؼ÷ ( Kwon Hae-Sook ) - ¼­¿ï´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ¼Ò¾ÆÄ¡°úÇÐ
ÇöÈ«±Ù ( Hyun Hong-Keun ) - ¼­¿ï´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ¼Ò¾ÆÄ¡°úÇÐ
±è¿µÀç ( Kim Young-Jae ) - ¼­¿ï´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ¼Ò¾ÆÄ¡°úÇÐ
±èÁ¤¿í ( Kim Jung-Wook ) - ¼­¿ï´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ¼Ò¾ÆÄ¡°úÇÐ
Àå±âÅà( Jang Ki-Taeg ) - ¼­¿ï´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ¼Ò¾ÆÄ¡°úÇÐ
±èÁ¾Ã¶ ( Kim Chong-Chul ) - ¼­¿ï´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ¼Ò¾ÆÄ¡°úÇÐ
ÇѼ¼Çö ( Hahn Se-Hyun ) - ¼­¿ï´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ¼Ò¾ÆÄ¡°úÇÐ
ÀÌ»óÈÆ ( Lee Sang-Hoon ) - ¼­¿ï´ëÇб³ ´ëÇпø Ä¡ÀÇÇаú ¼Ò¾ÆÄ¡°úÇÐ

Abstract

º» ¿¬±¸¿¡¼­´Â À¯Ä¡ ¼öº¹¹°ÀÇ ºÒ¼Ò ¹æÃâ ¿©ºÎ¿¡ µû¸¥ ÁÖº¯ ¹ý¶ûÁúÀÇ Å»È¸ ÀúÇ×¼º°ú À籤ȭ È¿°ú¸¦ »ìÆ캸°íÀÚ ÇÏ¿´´Ù. °ÇÀü À¯ÀüÄ¡ 48°³¸¦ 16°³¾¿ ÀÓÀÇ·Î ¼¼ ±ºÀ¸·Î ³ª´©¾î, FiltekTM Z250(1±º), F2000(2±º), KetacTM N100(3±º)À» »ç¿ëÇÏ¿© Á¦Á¶»çÀÇ Áö½Ã¿¡ µû¶ó ÃæÀüÇÏ¿´´Ù. 3ÀÏ µ¿¾È Àΰø ¿ì½Ä º´¼Ò¸¦ À¯¹ßÇÑ ÈÄ, 14ÀÏ µ¿¾È Àΰø Ÿ¾×¿¡ ´ã°¡ À籤ȭ¸¦ À¯¹ßÇÏ¿´´Ù. Quantitative light-induced fluorescence(QLF)¸¦ ÀÌ¿ëÇÏ¿© ½ÇÇè ´Ü°è¿Í ½Ã°£¿¡ µû¸¥ ¹«±âÁú ¼Ò½Ç·®(¥ÄQ)ÀÇ º¯È­¸¦ °üÂûÇÑ °á°ú´Â ´ÙÀ½°ú °°´Ù. 1. Żȸ°¡ ÀϾ Àΰø ¿ì½Ä º´¼ÒÀÇ ¥ÄQ °ªÀº 3±º, 2±º, 1±º ¼øÀ¸·Î ÀÛ°Ô ³ªÅ¸³µ°í, ÀÌ Áß 3±ºÀº 1±º¿¡ ºñÇØ À¯ÀÇÇÑ Å»È¸ ÀúÇ×¼ºÀ» º¸¿´´Ù. 2. 1±º, 2±º, 3±º ¸ðµÎ À籤ȭ 1ÀÏ ÈĺÎÅÍ Ãʱâ Àΰø ¿ì½Ä º´¼ÒÀÇ ¥ÄQ °ª°ú ºñ±³ ½Ã À¯ÀÇÇÑ Â÷¸¦ º¸¿´À¸¸ç, °üÂû ±â°£ µ¿¾È Áö¼ÓÀûÀÎ Áõ°¡ ¾ç»óÀ» ³ªÅ¸³»¾ú´Ù. 3. À籤ȭ ¼Óµµ¸¦ ÀǹÌÇÏ´Â ¥Ä(¥ÄQ)/ÀÏ °ªÀº °¢ ±º¿¡¼­ óÀ½ 1ÀÏ µ¿¾È À¯ÀǼº ÀÖ°Ô Å©°Ô ³ªÅ¸³µÀ¸¸ç, ±× ÀÌÈÄ ±Þ¼ÓÈ÷ °¨¼ÒÇÏ¿´´Ù. 4. ¼öº¹ Àç·á¿¡ µû¸¥ À籤ȭ Á¤µµ´Â °¢ ±º °£¿¡ À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù.

The objective of this in vitro study was to detect and monitor demineralization and remineralization of primary teeth according to restorative materials using quantitative light-induced fluorescence (QLF). A single bur hole was drilled on the each sound forty eight primary anterior teeth, and the specimens were divided into three groups. The cavity was restored with FiltekTM Z250(Group 1), F2000(Group 2), KetacTM N100(Group 3) following the manufacturer¡¯s instructions. The teeth were subjected to the demineralizing buffer for 3 days, and then subjected to a remineralizing buffer for 14 days. The change of mineral loss(¥ÄQ) according to the stages was evaluated by QLF and the following results were obtained: 1. When demineralization was done, ¥ÄQ was increased as follows. : Group 1 (-110.79 ¡¾ 27.77) < Group 2 (-104.84 ¡¾ 28.95) < Group 3 (-90.16 ¡¾ 21.87) : Resistance to demineralization was statistically significant in Group 3. 2. There was a statistically significant increase in ¥ÄQ of all groups since 1st day of remineralization 3. The rate of remineralization, ¥Ä (¥ÄQ)/day, showed significant high value in each group on the 1st day then decreased rapidly. 4. There was no statistically significant difference in the degree of remineralization among restorative materials.

Å°¿öµå

À¯Ä¡ ¼öº¹¹°;ºÒ¼Ò;Żȸ ÀúÇ×¼º;À籤ȭ
Primary teeth restoration;QLF(Quantitative light-induced fluorescence);Fluoride;Resistance to demineralization;Remineralization

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