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PROPERTIES OF LIGHT-CURED COMPOSITE RESINS CONTAINING SrF©ü, GLASS FILLER

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±èÈñÁ¤ ( Kim Hee-Jung ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±è°æ³² ( Kim Kyoung-Nam ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úÀç·áÇб³½Ç
ÃÖº´Àç ( Choi Byung-Jai ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ÀÌÁ¾°© ( Lee Jong-Gap ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

±âÁ¸ÀÇ ºÒ¼Ò¹æÃâ º¹ÇÕ·¹Áøº¸´Ù ¸¹Àº ¾çÀÇ ºÒ¼Ò¸¦ ¹æÃâ½ÃÅ°±â À§ÇØ ÃÑ º¹ÇÕ·¹Áø Áß ºÒ¼ÒÀÇ ÇÔ·®ÀÌ °¢°¢ 8, 16, 24wt%°¡ µÇµµ·Ï °è ÃæÁøÀ縦 ÷°¡ÇÏ¿© 3Á¾ÀÇ ¼öº¹¿ë ºÒ¼Ò¹æÃâ º¹ÇÕ·¹Áø ½ÃÇ豺(VF8, VF16, VF24)À» Á¦Á¶ÇÏ°í ÀÌ¿¡ ´ëÇÑ ¹°¸®Àû ¼ºÁú°ú ¼¼Æ÷µ¶¼º ¹× ºÒ¼Ò¹æÃâ·®À» ±âÁ¸ÀÇ º¹ÇÕ·¹Áø Á¦Ç°ÀÎ Heliomolar(HE), Veridonfil(VE), Z100(ZH), Aelitefil(AE) µîÀÇ ´ëÁ¶±º°ú ºñ±³ ½ÃÇèÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. ½ÃÇ豺ÀÇ 3Á¡ ±ÁÈû°­µµ´Â ZH¿¡ ºñÇؼ­´Â ³·¾ÒÀ¸³ª, ´Ù¸¥ ´ëÁ¶±ºÀÎ AE, VE¿Í ºñ½ÁÇÏ¿´°í, HEº¸´Ù´Â ¿ì¼öÇÏ¿´À¸¸ç, ½ÃÇ豺 °£ÀÇ À¯ÀÇÂ÷´Â ¾ø¾ú´Ù(p<0.05). 2. ½ÃÇ豺ÀÇ Ç¥¸é°æµµ´Â ZHº¸´Ù ³·¾Ò°í, AE, VE¿Í À¯»çÇÏ¿´À¸¸ç, ºÒ¼Ò ¹æÃâ ´ëÁ¶±ºÀÎ HEº¸´Ù´Â ³ô¾Ò´Ù(p<0.05). ½ÃÇ豺 Áß¿¡¼­´Â VF16, VF24°¡ VF8¿¡ ºñÇØ Ç¥¸é°æµµ°¡ ³ô¾Ò´Ù(p<0.05). 3. ½ÃÇ豺ÀÇ ¸¶¸ðµµ´Â ´ëÁ¶±ºÀÎ HE, ZHº¸´Ù ³·¾ÒÀ¸¸ç, ½ÃÇ豺 Áß¿¡¼­´Â VF16, VF24°¡ VF8¿¡ ºñÇØ ³·Àº ¸¶¸ðµµ¸¦ ³ªÅ¸³»¾ú´Ù(p<0.05). 4. ½ÃÇ豺ÀÇ ¹°Èí¼öµµ´Â ´ëÁ¶±ºÀÎ HE, VE, AE¿Í À¯»çÇÏ¿´À¸¸ç ZHº¸´Ù´Â ³·¾Ò´Ù(p<0.05). ½ÃÇ豺ÀÇ ¿ëÇصµ´Â ´ëÁ¶±ºÀÎ HE¿Í À¯ÀÇÂ÷°¡ ¾ø¾úÀ¸¸ç, VE, ZH, AEº¸´Ù ³ôÀº ¿ëÇصµ¸¦ ³ªÅ¸³»¾ú´Ù(p<0.05). 5. ½ÃÇ豺Àº ´ëÁ¶±ºÀÎ HEº¸´Ù ¹è ¸¹Àº ¾çÀÇ ºÒ¼Ò¸¦ ¹æÃâÇÏ¿´À¸¸ç, ½ÃÇ豺ÀÇ ºÒ¼Ò¹æÃâ·®Àº °è ÃæÁøÀçÀÇ ÇÔÀ¯·®°ú ºñ·ÊÇÏ¿´´Ù. 6. ½ÃÇ豺°ú ´ëÁ¶±ºÀº ¸ðµÎ ¾àÇÑ Á¤µµÀÇ ¼¼Æ÷µ¶¼ºÀ» ³ªÅ¸³»¾ú´Ù. ÀÌ»óÀÇ ½ÇÇè°á°ú¿¡¼­ °è ÃæÁøÀ縦 ÷°¡ÇÑ ºÒ¼Ò¹æÃâ º¹ÇÕ·¹Áø ½ÃÇ豺ÀÇ ¹°¸®Àû ¼ºÁú°ú ¼¼Æ÷µ¶¼ºÀº ±âÁ¸ÀÇ º¹ÇÕ·¹Áø°ú À¯»çÇÑ °ÍÀ¸·Î ³ªÅ¸³µÀ¸¸ç, ºÒ¼Ò¹æÃâ·®Àº ±âÁ¸ÀÇ ºÒ¼Ò¹æÃâ º¹ÇÕ·¹Áøº¸´Ù ÇöÀúÈ÷ ³ô¾Æ ÀÌÂ÷¿ì½ÄÁõ¿¡ ´ëÇÑ Ç׿ì½ÄÈ¿°úµµ ³ôÀ» °ÍÀ¸·Î »ç·áµÇ¾ú´Ù.

The aim of this study was to investigate the fluoride release and some mechanical properties including 3-point bending strength, amount of abrasion, surface hardness, water sorption/solubility and cytotoxicity of the newly developed composite resins containing 8, 16, 24 wt% glass filler (VF8, VF16, VF24) and four commercially available composite resins, Heliomolar(HE), Verdonfil(VE), Z100(ZH) and Aelitefil(AE). To investigate cytotoxic effect, agar overlay assay was done. Amount of fluoride released into distilled water was measured over a 62-days period from VF8, VF16, VF24 and HE. Results were as follows: 1. Experimental composite resins showed similar mechanical properties to commercial composite resins, but 3-point bending strength and surface hardness of experimental composite resins were inferior to ZH. 2. Over a 62-day Period, the amount of fluoride released was ordered: VF24>VF16>VF8>HE. In experimental composite resins, the amount of fluoride released was 9-23 times greater than HE and seemed to be proportional to the content of glass filler. 3. Experimental composite resins and all control composite resins showed mild cytotoxicity. This study showed significantly greater fluoride release from newly developed composite resins than control(HE) and addition of glass filler did not decrease mechanical properties or increase cytotoxicity of composite resin. The results from this study imply that newly developed composite resin have adequate mechanical properites, mild cytotoxicity and some potential for secondary caries prevention.

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Composite resin;Mechanical property;Fluoride release;Cytotoxicity

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