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An Evaluation of Shear Bond Strength of New Dentin Bonding Agents

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½ÅÁö¼±, ȲÀºÁö, ±èÁ¾ºó,
¼Ò¼Ó »ó¼¼Á¤º¸
½ÅÁö¼± ( Shin Ji-Sun ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
ȲÀºÁö ( Hwang Eun-Ji ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¿¹¹æÄ¡°úÇб³½Ç
±èÁ¾ºó ( Kim Jong-Bin ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

¼Ò¾ÆÄ¡°ú ¿µ¿ª¿¡¼­ ¼öº¹ Ä¡·á¿¡ ³Î¸® ¾²ÀÌ´Â ·¹Áø Ä¡·áÀÇ ¼ú½Ä ¹Î°¨¼º ¹× ½Ã°£ °¨¼Ò¿¡ ´ëÇÑ ²ÙÁØÇÑ ³ë·ÂÀ¸·Î »õ·Î¿î Á¢ÂøÁ¦ÀÇ °³¹ßÀÌ ÀÌ·ç¾îÁö°í Àִµ¥ ÃÖ±Ù Ãâ½ÃµÈ Á¢ÂøÁ¦¿Í ±âÁ¸¿¡ ³Î¸® ¾²ÀÌ´Â µÎ ´Ü°è Á¢ÂøÁ¦¿Í ºñ±³ ºÐ¼®ÇÏ¿© ÀÓ»óÀûÀ¸·Î Àû¿ëÇϱ⿡ ¾î¶°ÇÒÁö Æò°¡ÇØ º¸°íÀÚ ÇÏ¿´´Ù. º» ¿¬±¸¿¡¼­´Â 78°³ÀÇ °ÇÀüÇÑ ¼Ò±¸Ä¡¸¦ 3±ºÀ¸·Î ³ª´©¾î ¼ø¸é ¹ý¶ûÁú¿¡ »õ·Î °³¹ßµÈ Tetric¢ç N-Bond Universal (Ivoclar Vivadent, Liechtenstein)°ú GC¢ç G-Premio BOND (GC Co., Japan)¸¦ ½ÇÇ豺À¸·Î ÇÏ°í ±âÁ¸ÀÇ 5¼¼´ë 3M¢â Single Bond2 (3M ESPE, USA)¸¦ ´ëÁ¶±ºÀ¸·Î ¼³Á¤ÇÏ¿© µ¿ÀÏÇÏ°Ô Filtek¢â Z-350 (3M ESPE, USA)º¹ÇÕ ·¹ÁøÀ» Á¢Âø½ÃŲ ÈÄ Á¢ÂøÁ¦¿¡ µû¸¥ Àü´ÜÁ¢Âø°­µµ¸¦ ºñ±³ Æò°¡ÇÏ¿´´Ù.

±× °á°ú »êºÎ½Ä °úÁ¤À» µû·Î Àû¿ëÇÏÁö ¾ÊÀº µÎ ½ÇÇ豺¿¡¼­ °¢°¢ÀÇ Àü´ÜÁ¢Âø°­µµ°¡ »êºÎ½Ä °úÁ¤À» Æ÷ÇÔÇÑ ´ëÁ¶±ºÀÇ °á°úº¸´Ù Åë°èÇÐÀûÀ¸·Î À¯ÀǼº ÀÖ°Ô ³·Àº °á°ú¸¦ ³ªÅ¸³»¾ú´Ù. ¶ÇÇÑ »õ·Î °³¹ßµÈ µÎ Á¢ÂøÁ¦°£ ºñ±³¿¡¼­´Â Tetric¢ç N-Bond Universal Á¦Ç°ÀÌ GC¢ç G-Premio BOND Á¦Ç°º¸´Ù Àü´Ü Á¢Âø °­µµ°¡ À¯ÀǼº ÀÖ°Ô Å« °ÍÀ¸·Î ³ªÅ¸³ª ÀÓ»ó¿¡¼­ Á¦Ç°À» ¼±ÅÃÇÒ ¶§ ÂüÁ¶ÇÒ ¼ö ÀÖÀ» °ÍÀ¸·Î »ý°¢µÈ´Ù.

For the purpose of convenience and reducing time, newer bonding agents have been developed for composite resin restoration. Recently developed one bottle bonding system including etching, primer and adhesive can make procedures simpler and less technique-sensitive than old generation adhesives. The aim of this study was comparing the shear bond strength of new dentin bonding agents to the 5th generation bonding agent which had an etching step.

78 premolar teeth were randomly divided into three groups which were treated with Tetric¢ç N-Bond Universal (Ivoclar Vivadent, Liechtenstein), GC¢ç G-Premio BOND (GC Co., Japan) without additional etching step and 3M¢â Single Bond2 (3M ESPE, USA) with an etching step following manufacturer¡¯s instructions. Filtek¢â Z-350 (3M ESPE, USA) composite resin was applied and light cured over bonding agents. For shear bond strength evaluation, universal testing machine was used with a wedge technique. As a result, shear bond strength of one step bonding agents was lower than two step bonding agent and there were statistically significant differences between them (p < 0.05). In addition, within the result of two new bonding agents, Tetric¢ç N-Bond Universal showed significantly higher shear bond strength than GC¢ç G-Premio BOND (p < 0.05).

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»ó¾ÆÁú Á¢ÂøÁ¦; Àü´ÜÁ¢Âø°­µµ; »êºÎ½Ä; ¹ý¶ûÁú
Dentin bonding agent;Shear bond strength;Acid etching;Enamel

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