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Regional bond strength of dentin bonding systems to pulp chamber dentin
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Lee, Sang-Hyuk/ÀÌ»óÇõ
Choi, Gi-Woon/Choi, Kyoung-Kyu/ÃÖ±â¿î/ÃÖ°æ±Ô
KMID : 0362320040290010013
Abstract
º»¿¬±¸´Â Ä¡¼ö° »ó¾ÆÁú ºÎÀ§ ¹× »ó¾ÆÁú Á¢ÂøÁ¦ Á¾·ù¿¡ µû¸¥ °áÇÕ °µµ¸¦ ÃøÁ¤ÇÏ°í ÀÌµé »çÀÌÀÇ»ó°ü°ü°è¸¦ ±¸¸íÇÏ°íÀÚ ½ÃÇàµÇ¾ú´Ù. 45°³ÀÇ ´ë±¸Ä¡¸¦ Æ÷¸ÅÈÄ, ´ëÁ¶±º¿¡¼´Â °íÁu¸é ¹ý¶ûÁú Á¦°ÅÈÄ #600 SiC paper±îÁö ¼øÂ÷¿¬¸¶ÇÏ¿© »ó¾ÆÁúÀ» ³ëÃâ½ÃÄ×°í, ½ÇÇ豺¿¡¼´Â Ä¡¼ö° °³¹æÈÄ 1½Ã°£µ¿¾È NaOCl¿¡ º¸°üÈÄ axial wall°ú pulpal floor¸¦ ³ëÃâ½ÃÄ×´Ù. ³ëÃâµÈ »ó¾ÆÁú ¸é¿¡ »ó¾ÆÁú Á¢ÂøÁ¦¸¦ Àû¿ëÇÑ ÈÄ Z-100À» ÃæÀüÇÑ ´ÙÀ½ 40ÃÊ°£ °í¾ÆÁßÇÕÇÏ¿´´Ù. »ç¿ëµÈ »ó¾ÆÁú Á¢ÂøÁ¦´Â Scotchbond Multi-Purpose¿Í Single Bond Clearfil SE Bond¿´´Ù. 37¡ÉÁõ·ù¼ö¿¡ 24½Ã°£ º¸°üÈÄ Àú¼Ó dia-mond saw¸¦ ÀÌ¿ëÇÏ¿© 0.7mmµÎ²²·Î ¼öÁ÷Àý´ÜÇÏ°í °í¼Ó diamond point(#104)·Î ´Ü¸éÀû 1§±°¡µÇµµ·Ï ½ÃÆíÀ» Á¦ÀÛÇÏ°í Universal testing machine¿¡¼ ¹Ì¼¼ÀÌÀå °áÇÕ°µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù.
1. ¸ðµç »ó¾ÆÁú Á¢ÂøÁ¦Àǹ̼¼ÀÎÀå°µµ´Â ´ëÁ¶±º axial wall±º pulpal floor±º ¼øÀ¸·Î °¨¼ÒÇÏ´Â °æÇâÀ» º¸¿´´Ù.
2. ´ëÁ¶±º¿¡¼ SM°ú SB´Â SE¿¡ ºñÇØ À¯ÀǼºÀÖ°Ô ³ôÀº °áÇÕ°µµ¸¦ ³ªÅ¸³»¾ú´Ù.(P<0.05)
3. SM°ú SB´Â ´ëÁ¶±º¿¡ ºñÇØ axial wall±º°ú pulpal floor±º¿¡¼ À¯ÀǼºÀÖ°Ô ³·Àº; °áÇÕ°µµÀ» º¸¿³À¸³ª,SE¿¡¼´Â pulpal floor±º¸¸ÀÌ À¯ÀǼºÀÖ°Ô ³·Àº °áÇÕ°µµ¸¦ º¸¿´´Ù(P<0.05)
4. Axial wall±º°ú pulpal floor±º¿¡¼´Â »ó¾ÆÁú Á¢ÂøÁ¦ÀÇ Á¾·ù¿¡ µû¸¥ À¯ÀÇÂ÷¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.
5. ÀüÀÚÇö¹Ì°æ ¼Ò°ß¿¡¼´Â ´ëÁ¶±º¿¡ ºñÇØ axial wall±º°ú pulpal floor±ºÀÌ ´õ ºÎµå·¯¿î Á¢Â÷ °è¸éÀ» ³ªÅ¸³»¾ú´Ù. È¥¼ºÃþÀÇ µÎ²²´Â °áÇÕ°µµÀÇ °¨¼Ò¿Í´Â °ü·ÃÀÌ ¾ø¾ú´Ù.[J Kor Acad Cons Dent 29(1):13-22.2004]
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