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OrthoMTA, ProRoot MTA ±×¸®°í Portland cementÀÇ °æÈ­ ÆØâ°ú °æÈ­ ½Ã°£ ºñ±³

COMPARISON OF SETTING EXPANSION AND TIME OF ORTHOMTA, PROROOT MTA AND PORTLAND CEMENT

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°­Áö¿¹ ( Kang Ji-Ye ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
±èÁ¾¼ö ( Kim Jong-Soo ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
À¯½ÂÈÆ ( Yoo Seung-Hoon ) - ´Ü±¹´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç

Abstract

ÇöÀç ½ÃÆǵǰí ÀÖ´Â ProRoot white MTA(Dentsply Tulsa, U.S.A)´Â portland cement¿Í ºñ½ÁÇÑ ¼ººÐÀ¸·Î ¼öºÐÀÇ Ã·°¡·Î ÀÎÇÏ¿© °æÈ­ ÆØâÇÏ´Â ¼ºÁúÀÌ ÀÖ°í, ±ä °æÈ­ ½Ã°£À» °®´Â´Ù. º» ¿¬±¸´Â ÃÖ±Ù °³¹ßµÈ OrthoMTA(BioMTA, Korea), ±âÁ¸ÀÇ ProRoot white MTA(Dentsply Tulsa, U.S.A) ±×¸®°í White portland cement(Union, Korea)¸¦ ´ë»óÀ¸·Î 2008³â¿¡ °³Á¤µÈ Ä¡±Ù°ü ÃæÀüÀç(KS P ISO 6876)ÀÇ ¿ä±¸ »çÇ× Áß¿¡¼­ °æÈ­ ÆØâ°ú °æÈ­ ½Ã°£¿¡ ´ëÇÑ ¿¬±¸¸¦ ÇÏ¿´´Ù. ¿¬±¸ °á°ú, OrthoMTAÀÇ °æÈ­ ÆØâ·üÀº À̾ú°í, ProRoot white MTA, White portland cement´Â °¢°¢ , ¿´´Ù(p<0.05). °æÈ­ ½Ã°£Àº °¢°¢ ºÐ, ºÐ, ºÐÀ¸·Î, ProRoot white MTA°¡ °¡Àå ª¾Ò°í, OrthoMTA°¡ °¡Àå ±æ¾ú´Ù(p<0.05).

ProRoot MTA(Dentsply Tulsa, U.S.A) which has similar component with Portland cement has setting expansion character and long setting time. Excessive expansion can cause fracture at the apical portion of the root and decreasing of volume stability. And the long setting time makes additional visits for crown restoration and slow setting process of this material can change physical properties itself. In this study, among requirements of root canal filling material(KS P ISO 6876) which is revised at 2008, we investigated the setting time and setting expansion. Objects are recently developed OrthoMTA(BioMTA, Korea), conventional ProRoot white MTA(Dentsply Tulsa, U.S.A) and White portland cement(Union, Korea). The results in setting expansion, OrthoMTA was , ProRoot white MTA and White portland cement were each , (p<0.05). The results in setting time, OrthoMTA, ProRoot white MTA, White portland cement were each min, min, min(p<0.05).

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Mineral trioxide aggregate; Setting expansion; Setting time; OrthoMTA; ProRoot MTA

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