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Monomer release from pit and fissure sealant following by surface treatment and curing time

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¼­Çö¿ì ( Seo Hyun-Woo ) - °­¸ª´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

º» ¿¬±¸´Â º¹ÇÕ ·¹ÁøÀÇ ÁßÇÕ·ü¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â ±¤Á¶»ç ½Ã°£À» ´Þ¸®ÇÏ¿© Ä¡¸é¿­±¸Àü»öÁ¦¸¦ ÁßÇÕÇÏ¿´À» °æ¿ì À̷κÎÅÍ ¿ë¸®µÇ´Â ¹Ì¹ÝÀÀ ¸ð³ë¸ÓµéÀ» È®ÀÎÇÏ°í Á¤ÇâÈ­ÇÏ°íÀÚ ÇÏ¿´´Ù. ±×¸®°í Ä¡¸é¿­±¸Àü»öÁ¦ ÁßÇÕ ÈÄ Ç¥¸é¿¡ ³ªÅ¸³ª´Â ¹Ì¹ÝÀÀ ¸ð³ë¸Ó ÃþÀ» ´Ù¾çÇÑ ¹æ¹ýÀ¸·Î Á¦°ÅÇÑ ÈÄ ¿ë¸®µÇ´Â ¹Ì¹ÝÀÀ ¸ð³ë¸ÓµéÀ» Á¤·®ºÐ¼®ÇÔÀ¸·Î½á ¹Ì¹ÝÀÀ ¸ð³ë¸ÓÀÇ Á¦°ÅÈ¿°ú¸¦ ºñ±³ Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù.

±¤ÃæÇÕ ½Ã°£¿¡ µû¶ó °¢°¢ 20ÃÊ, 40ÃÊ. 60ÃÊ°£ ÁßÇÕÇÑ ÈÄ, ÁßÇս𣠺°·Î ¾î¶°ÇÑ Ã³¸®µµ ½ÃÇàÇÏÁö ¾ÊÀº ±ºÀ» ´ëÁ¶±º, Áõ·ù¼ö·Î 10ÃÊ°£ ¼¼Ã´ÇÑ ±ºÀ» I±º(Group I), 75% ¾ËÄÝ¿¡ Á¥Àº ¸é±¸·Î 10ÃÊ°£ ¹®Áö¸¥ ±ºÀ» ll±º(Group II), Æ۹̽º¿Í ·¯¹öÄÅÀ» ÀÌ¿ëÇÏ¿© 10ÃÊ°£ ó¸®ÇÏ°í Áõ·ù¼ö·Î °¡º±°Ô ¼¼Ã´ÇÑ ±ºÀ» III±º(Group III)À¸·Î ºÐ·ùÇÏ¿´´Ù. Ç¥¸éó¸® ÈÄ °¢ ½ÃÆíÀ» 3Â÷ Áõ·ù¼ö¿¡ ³Ö°í 37¡É Ç׿ ¼öÁ¶¿¡¼­ 10ºÐ°£ º¸°üÇÑ ÈÄ °¢°¢ÀÇ ¿ë¸®¾×À» °í¼º´É ¾×ü Å©·Î¸¶Åä±×·¡ÇǸ¦ ÀÌ¿ëÇÏ¿© Á¤¼º ¹× Á¤·® ºÐ¼®À» ½ÃÇàÇÏ¿´°í ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.

1. ¸ðµç ´ëÁ¶±º°ú ½ÇÇ豺¿¡¼­ TEGDMA¸¦ Á¦¿ÜÇÑ ¾î¶°ÇÑ ¸ð³ë¸Óµéµµ °ËÃâµÇÁö ¾Ê¾Ò´Ù

2. ÃÖ¼Ò ÁßÇսð£, ±ÇÀå ÁßÇսð£, ±ÇÀå ÁßÇսð£ ÀÌ»óÀÇ ¼øÀ¸·Î ÁßÇսð£ÀÌ Áõ°¡ÇÒ¼ö·Ï TEGDMAÀÇ ¿ë¸®·®Àº °¨¼ÒÇÏ¿´´Ù.

3. Ç¥¸é󸮸¦ ÇÑ ±ºµéÀº ´ëÁ¶±º¿¡ ºñÇÏ¿© TEGDMAÀÇ ¿ë¸®·®ÀÌ À¯ÀÇÇÒ ¸¸ÇÏ°Ô °£¼ÒÇÏ¿´´Ù.

4. Ç¥¸é󸮸¦ ÇÑ ±º °¡¿îµ¥ Æ۹̽º¿Í ·¯¹öÄÅÀ» ÀÌ¿ëÇÑ °æ¿ì ÀÜÁ¸ ¸ð³ë¸ÓÀÇ Á¦°Å È¿°ú°¡ ´Ù¸¥ ±º¿¡ ºñÇÏ¿© À¯ÀǼº ÀÖ°Ô ³ô¾Ò´Ù.

5. ±ÇÀå ÁßÇսð£ ÀÌ»óÀÎ 60ÃÊ ÁßÇÕ ÈÄ, Æ۹̽º¿Í ·¯¹öÄÅÀ» ÀÌ¿ëÇÏ¿© Ç¥¸éó¸®ÇÑ °æ¿ì °¡Àå ÀûÀº ¾çÀÇ ¸ð³ë¸Ó ¿ë¸®·®À» º¸¿´´Ù.

The purpose of this study was to evaluate the effects of a various light curing time on the residual monomers released from light-cured dental sealant, and to examine the effectiveness of surface treatment in reducing the oxygen-inhibited layer of light-cured dental sealant(Helioseal^(¢ç) F, Vivadent, Liechtenstein). Specimens were cured with a halogen light curing unit(XL 3000, 3M, USA) for 20, 40, 60s. Surface treatment of a light-cured dental sealant included no treatment(control group), a 10-seconds exposure to distilled water(Group I), 10-seconds manual application using a cotton pellet wetted with 75% alcohol(Group II), and 10-seconds application of a water/pumice slurry using a rubber cup on a slow-speed handpiece. The specimens were eluted in distilled water for 10 minutes. All elutes were analyzed by HPLC for identification and quantitive analysis of monomers.

The results of this study can be summarized as follows.

1. None of the chromatograms of the tested sealant displayed peaks with the same retention time as that of the standard solution, except for TEGDMA.

2. The release of TEGDMA decreased with increasing curing time in conventional halogen light.

3. All surface treatment group had a decrease of monomer release in comparison with no treatment group.

4. Treatment that Group III eliminated the greatest amount of any type of residual monomers.

5. The elution of unreacted monomers from curing with halogen curing unit for 60s and Group III was less than other groups.

Å°¿öµå

Ä¡¸é¿­±¸Àü»öÁ¦; ÁßÇսð£; Ç¥¸éó¸®; ¸ð³ë¸Ó
pit and fissure sealant; cuting time; surface treatment; monomer

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