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Comparison of color stability, mechanical and chemical properties according to temporary crown resin type

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¾ç¼ÛÀÌ ( Yang Song-Yi ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú»ýüÀç·á°øÇб³½Ç
±ÇÁö¿¬ ( Kwon Ji-Yeon ) - °Ç¾ç´ëÇб³ ÀÇ°úÇдëÇÐ Ä¡À§»ýÇаú
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¹Ú¼Ò¿¬ ( Park So-Yeon ) - °Ç¾ç´ëÇб³ ÀÇ°úÇдëÇÐ Ä¡À§»ýÇаú
¹ÚÇÏÀº ( Park Ha-Eun ) - °Ç¾ç´ëÇб³ ÀÇ°úÇдëÇÐ Ä¡À§»ýÇаú
¹éÀºÁö ( Baek Eun-Ji ) - °Ç¾ç´ëÇб³ ÀÇ°úÇдëÇÐ Ä¡À§»ýÇаú
ÀÓ¼ö¿¬ ( Im Su-Yeon ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú»ýüÀç·á°øÇб³½Ç
±ÇÀ缺 ( Kwon Jae-Sung ) - ¿¬¼¼´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú»ýüÀç·á°øÇб³½Ç

Abstract

´Ù¾çÇÑ Á¾·ùÀÇ ÀÓ½ÃÄ¡°ü¿ë ·¹ÁøÀÌ ½ÃÀå¿¡ À¯ÅëµÇ°í ÀÖÀ½¿¡µµ ºÒ±¸ÇÏ°í ȯÀÚÀÇ ±¸°­ »óÅ¿¡ µû¶ó ÀûÀýÇÑ Àç·á¸¦¼±ÅÃÇÒ ¼ö ÀÖ´Â ±Ù°ÅÀÚ·á´Â ¾ø´Â ½ÇÁ¤ÀÌ´Ù. ÀÌ¿¡ º» ¿¬±¸´Â ÀÓ½ÃÄ¡°ü¿ë ·¹Áø ŸÀÔº° ¹°¸®¡¤È­ÇÐÀû Ư¼ºÀ» ºñ±³ÇÏ¿©ÀÓ»ó°¡¿¡°Ô °³º° ȯÀÚÀÇ ±¸°­¿¡ °¡Àå ÀûÀýÇÑ Å¸ÀÔÀÇ Àç·á ¼±Åà ±âÁØÀ» Á¦°øÇÏ°íÀÚ ÇÑ´Ù. Ư¼º ºñ±³¸¦ À§ÇØ ½ÇÇ豺Àº power-liquid ŸÀÔ(½ÇÇ豺 PL), light-cured ŸÀÔ(½ÇÇ豺 LC) ±×¸®°í auto-mix syringe ŸÀÔ(½ÇÇ豺 AM)À¸·Î ¼³Á¤ÇÏ¿´´Ù. »ö ¾ÈÁ¤¼ºÀÇ °æ¿ì, coke, coffee mix ¿Í americano ¿¡ 1 ÀÏ, 7 ÀÏ Ä§Àû ÈÄ ºÐ±¤ ±¤µµ°è¸¦»ç¿ëÇÏ¿© »ö º¯È­·®À» ÃøÁ¤ÇÏ¿´´Ù. °æµµÀÇ °æ¿ì, Áõ·ù¼ö¿¡ ħÀûÇϱâ Àü°ú 7 ÀÏ µ¿¾È ħÀû½ÃŲ Èĸ¦ ºñ±³Çϱâ À§Çع̼¼°æµµÃøÁ¤±â¸¦ ÀÌ¿ëÇÏ¿© ºñÄ¿½º°æµµ°ªÀ» »êÃâÇÏ¿´´Ù. ¶ÇÇÑ ISO 10477:2004 ¿¡ µû¶ó ¸¸´É½ÃÇè±â¸¦ ÀÌ¿ëÇÏ¿© 3 Á¡±¼°î°­µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. ´õºÒ¾î ½ÇÇ豺ÀÇ ¹° Èí¼öµµ ¹× ¿ëÇصµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. Åë°èºÐ¼®Àº ÀÏ¿ø¹èÄ¡ºÐ»êºÐ¼®°ú Tukey s test ·Î »çÈÄ °ËÁ¤ÇÏ¿´´Ù (p=0.05). ¸ðµç ½ÇÇ豺Àº Áõ·ù¼ö¿Í ºñ±³ÇÏ¿© ħÀû¿ë¾×¿¡ ´ã±Ù ÈÄ À¯ÀÇÇÑ »ö º¯È­°¡ ÀÖ¾ú´Ù(p<0.05). »ö ¾ÈÁ¤¼ºÀº 1 ÀÏ, 7 ÀÏħÀû ÈÄ coffee mix ¿Í americano ¿¡¼­ ½ÇÇ豺 LC < ½ÇÇ豺 AM < ½ÇÇ豺 PL ¼ø¼­·Î À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú´Ù(p<0.05). °æµµ´Â ½ÇÇ豺 LC < ½ÇÇ豺 AM < ½ÇÇ豺 PL ¼ø¼­·Î À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú´Ù(p<0.05). ¶ÇÇÑ °°Àº ½ÇÇ豺 ³»¿¡¼­ Áõ·ù¼öħÀû Àü¡¤ÈÄÀÇ °æµµ´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú´Ù(p<0.05). ±¼°î°­µµ´Â ½ÇÇ豺 LC < ½ÇÇ豺 PL < ½ÇÇ豺 AM ¼ø¼­·Î À¯ÀÇÇÑÂ÷ÀÌ°¡ ÀÖ¾ú´Ù (p<0.05). ¹° Èí¼öµµ ¹× ¿ëÇصµ´Â ½ÇÇ豺 AM < ½ÇÇ豺 PL < ½ÇÇ豺 LC ¼ø¼­·Î À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú´Ù(p<0.05). À§ °á°ú¸¦ ¹ÙÅÁÀ¸·Î º» ¿¬±¸´Â ÀÓ»ó°¡¿¡°Ô ÀÓ½ÃÄ¡°ü¿ë ·¹Áø ¼±Åà ½Ã, ½É¹Ì¼º, ¸¶¸ðµµ, °­µµ ¿ä¼Ò¸¦ °í·ÁÇÏ¿© ȯÀÚ°³°³ÀÎÀÇ ±¸°­»óȲ¿¡ ¸Â´Â ÀûÀýÇÑ Å¸ÀÔÀÇ Àç·á¸¦ ¼±ÅÃÇÒ ¼ö ÀÖ´Â ±â¹ÝÀ» ¸¶·ÃÇÏ°í, ȯÀÚ¿¡°Ô´Â º¸´Ù ¸¸Á·µµ ³ôÀºÀç·áÀÇ Àû¿ë¿¡ ±â¿©ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î ±â´ëµÈ´Ù.

Objective of this study was to compare the color stability, mechanical and chemical properties of three different types of temporary crown resins. Commercially available powder-liquid (Group PL), light-cured (Group LC) and auto-mix syringe (Group AM) types¡¯ temporary crown resins were used as experimental groups for each of the evaluation. All the test groups were evaluated after 1 day and 7 days of immersion in various staining solutions. The colors of all groups before and after storage in the staining solutions were measured by a spectrophotometer based on CIE Lab system, and the color differences (¥ÄE*) thereby calculated. Micro hardness test was performed before water storage and aging after 7 days at 37 ¡É. In addition, flexural strength, water sorption and solubility tests were performed according to international standard, ISO 10477. All experimental groups showed significant color change in staining solutions when compared to those stored in the control solution (distilled water) (p<0.05). Group PL showed the least color change among the three groups followed by Group AM (p<0.05). This tendency was observed after 7 days of immersion. In terms of the micro hardness test, Group PL showed the highest value among the three groups followed by Group AM (p<0.05). Additionally, the flexural strength decreased in the following order: AM > PL > LC (p<0.05). Water sorption and solubility increased in the following order: AM < PL < LC (p<0.05). The results of this study would provide useful information when choosing temporary crown resin types in various clinical situations.

Å°¿öµå

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Color stability; Flexural strength; Micro hardness; Temporary crown resin; Water sorption and solubility

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