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¹é¼­¿¡¼­ Ä¡¼ö Àý´Ü¼ú ½ÃÇà ½Ã $Pro-Root^{(R)}$ MTA ´Üµ¶ »ç¿ë±º°ú rhBMP-2 È¥¿ë »ç¿ë±º °£ÀÇ Á¶Á÷ ¹ÝÀÀ ºñ±³ ¿¬±¸

Tissue response of $Pro-Root^{(R)}$ MTA with rhBMP-2 in pulpotomized rat teeth

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¹Ú°æÅ ( Park Kyung-Tae ) - ¿ï»ê´ëÇб³ ÀÇ°ú´ëÇÐ ¼­¿ï¾Æ»êº´¿ø º¸Á¸°ú
¾ç¿ø°æ ( Yang Won-Kyung ) - ¿ï»ê´ëÇб³ ÀÇ°ú´ëÇÐ ¼­¿ï¾Æ»êº´¿ø º¸Á¸°ú
°íÇöÁ¤ ( Ko Hyun-Jung ) - ¿ï»ê´ëÇб³ ÀÇ°ú´ëÇÐ ¼­¿ï¾Æ»êº´¿ø º¸Á¸°ú
±è¹Ì¸® ( Kim Mi-Ri ) - ¿ï»ê´ëÇб³ ÀÇ°ú´ëÇÐ ¼­¿ï¾Æ»êº´¿ø º¸Á¸°ú

Abstract

ÀÌ ½ÇÇèÀÇ ¸ñÀûÀº ¹é¼­¿¡¼­ Ä¡¼öÀý´Ü¼úÀ» ½ÃÇà½Ã MTA ½Ã¸àÆ® ´Üµ¶ »ç¿ë±º°ú rhBMP-2 È¥¿ë »ç¿ë±º °£ÀÇ Á¶Á÷ ¹ÝÀÀÀ» ºñ±³Çϱâ À§ÇÔÀÌ´Ù. 32¸¶¸®ÀÇ °Ç°­ÇÑ ¹é¼­ÀÇ »ó¾Ç ¾çÂÊ Á¦ 1 ´ë±¸Ä¡¸¦ »ç¿ëÇÏ¿´´Ù. Ä¡¼ö°­À» °³¹æÇÑ ÈÄ¿¡ ÁöÇ÷À» ½ÃÇàÇÏ°í ¿ìÃø Á¦1 ´ë±¸Ä¡¿¡´Â ´ëÁ¶±ºÀ¸·Î MTA ½Ã¸àÆ® 1.2 gÀ» »ç¿ëÇÏ¿© Ä¡¼öÀý´Ü¸éÀ» ¼öº¹ÇÏ¿´°í, ÁÂÃø Á¦ 1´ë±¸Ä¡¿¡´Â MTA ½Ã¸àÆ® 1.2 g¿¡ rhBMP-2 $1\;{\mu}g$À» ÷°¡ÇÏ¿© Ä¡¼öÀý´Ü¸éÀ» ¼öº¹ÇÏ¿´´Ù. ±× ÈÄ ±¤ÁßÇÕ ±Û·¡½º ¾ÆÀÌ¿À³ë¸Ó ½Ã¸àÆ®·Î ÃæÀüÇÏ¿´´Ù. ¹é¼­´Â °¢ °¢ 16¸¶¸®¾¿ 2ÁÖ, 7ÁÖ µÚ¿¡ Èñ»ý½ÃÅ°°í, º´¸®Á¶Á÷Ç¥º»À» Á¦ÀÛÇÏ¿´´Ù. Åë°è 󸮴 SPSS-WIN 12.0 ÇÁ·Î±×·¥À» ÀÌ¿ëÇÏ¿© student t-test¸¦ ½ÃÇàÇÏ¿´´Ù (p < 0.05). ¿°Áõ¼Ò°ßÀº 7ÁÖ±ºº¸´Ù 2ÁÖ±º¿¡¼­ ´õ ½ÉÇÏ¿´À¸³ª, Åë°èÀûÀ¸·Î À¯ÀÇÇÏÁö´Â ¾Ê¾Ò´Ù ¶ÇÇÑ rhBMP-2¸¦ ÷°¡ÇÑ ±ºÀÌ MTA ´Üµ¶ »ç¿ë±ºº¸´Ù ¿°Áõ ¼Ò°ßÀÌ Àû¾î º¸¿´À¸³ª, ¿ª½Ã Åë°èÀûÀ¸·Î À¯ÀÇÇÏÁö´Â ¾Ê¾Ò´Ù. °á·ÐÀûÀ¸·Î MTA ½Ã¸àÆ® Ä¡¼ö Àý´Ü¼ú ½ÃÇà½Ã MTA ´Üµ¶ »ç¿ë±º°ú ºñ±³½Ã MTA ½Ã¸àÆ®¿¡ rhBMP-2ÀÇ Ã·°¡ÇÏ´Â °ÍÀº º°´Ù¸¥ Â÷ÀÌ°¡ ¾ø¾ú´Ù.

The purpose of this study was to investigate whether rhBMP-2 (BMP2) could induce synergistic effect with $Pro-Root^{(R)}$ MTA (MTA) in pulpotomized teeth in the rats. Healthy upper first molars from thirty-two, 10 weeks old, Sprague-Dawley rats were used for this investigation. The molars were exposed with round bur, and light pressure was applied with sterilized cotton to control hemorrhage. 1.2 grams of MTA cement was placed in right first molars as a control group. In left first molars, $1\;{\mu}g$ of BMP2 was additionally placed on exposed pulps with MTA. All cavities were back-filled with light-cured glass-ionomer cements. The rats were sacrificed after 2 weeks and 7 weeks, respectively. Then histologic sections were made and assessed by light microscopy. Data were statistically analyzed via student t-test with SPSSWIN 12.0 program (p < 0.05). Inflammation observed in 2 weeks groups were severe compared to the 7 weeks groups. But the differences were not statistically significant. BMP2-addition groups had less inflammation than MTA groups in both periods, though these differences were also not statistically significant. In conclusion, the combination of BMP2 and MTA showed no differences with MTA only for pulpotomy of rat teeth.

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$Pro-Root^{(R)}$ MTA;rhBMP-2;Pulpotomy;Rat

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