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STUDY ON THE SHEAR BOND STRENGTH OF ALL-IN-ONE DENTIN BONDING SYSTEM

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¹ÚÇüÁÖ ( Park Hyung-Joo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
À¯½ÂÈÆ ( Yoo Seung-Hoon ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾¼ö ( Kim Jong-Soo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

¿ìÄ¡ 60°³¸¦ ÁغñÇÏ¿© ¹ý¶ûÁú°ú »ó¾ÆÁú¿¡ ´ëÇÏ¿© °¢°¢ 1±º AQ Bond, 2±º AQ Bond $Plus {TM}, 3±º Single Bond {TM}·Î ¼³Á¤ÇÏ°í, ±º´ç 10°³¾¿ ¹èÁ¤ÇÏ¿´°í, ±º´ç ȥȭÃþ °üÂû¿¡ 5°³¿Í resin tag °üÂûÀ» À§ÇØ 5°³¾¿ ¹èÁ¤ÇÏ¿´´Ù. ÁغñµÈ ¿ìÄ¡ÀÇ ¹ý¶ûÁú°ú »ó¾ÆÁúÀ» ³ëÃâ½ÃŲ ÈÄ Á¦Á¶»çÀÇ Áö½Ã¿¡ µû¶ó Ç¥¸éÀ» ó¸®ÇÏ°í, ³»°æ 3mmÀÇ Æú¸®¿¡Æ¿·» Æ©ºê¸¦ ÀÌ¿ëÇÏ¿© Z-250 {TM} º¹ÇÕ·¹Áø Á¢ÂøÀ» ½ÃÇàÇÏ¿´´Ù. 100% ½ÀÀ± »óÅ¿¡¼­ 24½Ã°£µ¿¾È º¸°ü ÈÄ 5 {circ}C¿Í 55 {circ}C Á¶°ÇÇÏ¿¡¼­ 500ȸ ¿­¼øȯÀ» ½ÃÇàÇÏ¿´´Ù. ¸¸´É½ÃÇè±â¸¦ ºÐ´ç cross head speed 5mm ¼Óµµ·Î ¼³Á¤ÇÏ°í 100kg F load cellÀ» »ç¿ëÇÏ¿© Àü´Ü°áÇÕ°­µµ¸¦ ÃøÁ¤ÇÏ°í ÆÄÀýµÈ ½ÃÆíµéÀ» ¼ö°ÅÇÏ¿© ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸·Î ÆÄÀý¸éÀ» °üÂûÇÏ¿´´Ù.
ȥȭÃþ°ú resin tag °üÂûÀ» À§ÇÏ¿© »ó¾ÆÁú Á¢Âø¸é¿¡ ´ëÇØ ¼öÁ÷À¸·Î Àý´ÜÇÏ°í Àλê°ú Áú»êÀ¸·Î ó¸®ÇÑ ÈÄ ÁÖ»çÀüÀÚÇö¹Ì°æÀ¸·Î °üÂûÇÏ¿´´Ù.
ÀÌ»óÀÇ °á°ú¸¦ Åä´ë·Î Çൿ Á¶Àý¿¡ ¾î·Á¿òÀÌ ¸¹Àº ¼Ò¾Æ ȯÀÚÀÇ º¹ÇÕ·¹Áø ¼öº¹½Ã Àû¿ë °úÁ¤ ¹× ½Ã°£ ´ÜÃàÀÌ ÀåÁ¡À¸·Î ºÎ°¢µÇ°í ÀÖ´Â all-in-one systemÀÇ ÀÓ»ó Àû¿ë °¡´É¼ºÀ» Æò°¡ÇÏ°í ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.
1. Àü´Ü °áÇÕ °­µµ ÃøÁ¤°á°ú 1±º, 2±º °£¿¡´Â À¯ÀÇÂ÷°¡ ¾ø¾úÀ¸³ª, 3±ºÀÌ 1±º°ú 2±º¿¡ ºñÇØ ³ôÀº Àü´Ü °áÇÕ °­µµ¸¦ º¸¿´À¸¸ç Åë°èÇÐÀû À¯ÀÇÂ÷¸¦ º¸¿´´Ù (p<0.05).
2. ÆÄÀý ¾ç»ó °üÂû °á°ú 1±º°ú 2±ºÀÇ ¹ý¶ûÁú°ú »ó¾ÆÁú ¸ðµÎ¿¡¼­ ±×¸®°í 3±ºÀÇ »ó¾ÆÁú¿¡¼­ ÁÖ·Î adhesive fracture ¾ç»óÀ» º¸¿´À¸¸ç, 3±º ¹ý¶ûÁú¿¡¼­ °¢°¢ cohesive¿Í adhesive fracture°¡ ±ÕµîÇÑ ºÐÆ÷¸¦ º¸¿´´Ù.
3. ÁÖ»ç ÀüÀÚ Çö¹Ì°æ ¼Ò°ß¿¡¼­ 1±º°ú 2±ºÀº resin tagÇü¼ºÀÌ ¸Å¿ì ¹Ì¾àÇÏ°í ºÒ±ÔÄ¢ÇÑ ¾ç»óÀ» º¸ÀÎ ¹Ý¸é, 3±º¿¡¼­´Â ºñ±³Àû ±ä¹ÐÇÏ°Ô Çü¼ºµÈ resin tagÀÌ °üÂûµÇ¾úÀ¸¸ç resin tagÀÇ Ç¥¸é¿¡ Çü¼ºµÈ ¶Ñ·ÇÇÑ ÃøºÎ °¡Áöµéµµ ¹ß°ßµÇ¾ú´Ù.

This study was performed to compare the shear bond strength of AQ Bond Plus {TM} with AQ Bond {TM} and Single Bond {TM}. Also by observing the fractured interface under scanning electro-microscope, the fracture pattern and the quality of hybrid layer were analyzed. The possibility of clinical application of all-in-one system which has an advantage to reduce chair time for children with difficult behavior pattern was evaluated, The results obtained are as follows ;
1. There was no significant difference between AQ Bond{TM} and AQ Bond Plus{TM} in shear bond strength and Single Bond showed the highest bond strength with statistical significant difference (p<0.05).
2. Adhesive fracture pattern was mainly observed in both enamel/dentin in AQ Bond {TM} and AQ Bond Plus {TM} group while Single Bond group showed equal numbers for cohesive and adhesive pattern.
3. Under scanning electro-microscope, resin tags observed in AQ Bond {TM} and AQ Bond Plus {TM} were very weak and tangled while strong and thick tags were shown with many lateral branches in Single Bond.
Careful case selection and accurate clinical application is recommended when using AQ Bond {TM} and AQ Bond Plus {TM}considering the result showing its weaker strength than Single Bond {TM}.

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»ó¾ÆÁú Á¢ÂøÁ¦;¿ìÄ¡;Àü´Ü°áÇÕ°­µµ;·¹Áø ű×;ȥȭÃþ
All-in-one system;Dentin bonding system;Bovine tooth;Shear bond strength;Resin tag;Hybrid layer

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