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Glass ionomer cement¿Í È¥ÇÕÇÑ mineral trioxide aggregateÀÇ ¹°¸®Àû ¹× È­ÇÐÀû ¼ºÁú

Physical and chemical properties of experimental mixture of mineral trioxide aggregate and glass ionomer cement

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Á¤À¯³ª ( Jeong Yu-Na ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Á¸Çб³½Ç
¾ç¼Ò¿µ ( Yang So-Young ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ÇغÎÇб³½Ç
¹Ú¹üÀü ( Park Bum-Jun ) - Àü¶ó³²µµº¸°Çȯ°æ¿¬±¸¿ø
¹Ú¿µÁØ ( Park Yeong-Joon ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Àç·áÇб³½Ç
ȲÀ±Âù ( Hwang Yun-Chan ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Á¸Çб³½Ç
ȲÀγ² ( Hwang In-Nam ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Á¸Çб³½Ç
¿À¿ø¸¸ ( Oh Won-Mann ) - Àü³²´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø º¸Á¸Çб³½Ç

Abstract

¿¬±¸¸ñÀû: º» ¿¬±¸ÀÇ ¸ñÀûÀº glass ionomer cement (GIC)¿Í È¥ÇÕÇÑ mineral trioxide aggregate (MTA)ÀÇ °æÈ­ ½Ã°£, ¾ÐÃà °­µµ, ¿ëÇصµ, pH¸¦ Æò°¡ÇÏ°í ÀÌ°ÍÀ» MTA, GIC, IRM, SuperEBA¿Í ºñ±³ÇÏ´Â °ÍÀÌ´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: °æÈ­ ½Ã°£°ú ¾ÐÃà °­µµ´Â ISO 9917, ±×¸®°í ¿ëÇصµ´Â ISO 6876 ±âÁØ¿¡ µû¶ó ÃøÁ¤ÇÏ¿´´Ù. pH´Â °íü½ÃÆí Àü¿ë Àü±ØÀÌ ¿¬°áµÈ pH meter¸¦ ÀÌ¿ëÇÏ¿© ÃøÁ¤ÇÏ¿´´Ù.

°á°ú: GIC¿Í È¥ÇÕÇÑ MTAÀÇ °æÈ­½Ã°£Àº MTAº¸´Ù À¯ÀÇÇÏ°Ô Âª¾ÒÀ¸¸ç ¾ÐÃà °­µµ´Â 7ÀÏ°£ ¸ðµç ½ÃÁ¡¿¡¼­ ´Ù¸¥ Àç·áº¸´Ù À¯ÀÇÇÏ°Ô ³·¾Ò´Ù. GIC¿Í È¥ÇÕÇÑ MTA Áß¿¡¼­ 1 : 1°ú 2 : 1 ½ÃÆíÀÇ ¿ëÇصµ´Â ´Ù¸¥ ½ÇÇ豺º¸´Ù À¯ÀÇÇÏ°Ô ³ô¾Ò´Ù. ¶ÇÇÑ GIC¿Í È¥ÇÕÇÑ MTAÀÇ pH´Â È¥ÇÕÁ÷ÈÄ 2-4ÀÇ ¹üÀ§¿¡¼­ 1ÀÏ ÈÄ 5-7 »çÀÌ·Î Áõ°¡ÇÏ¿´´Ù.

°á·Ð: GIC¿Í È¥ÇÕÇÑ MTAÀÇ °æÈ­½Ã°£Àº MTA¿¡ ºñÇØ °³¼±µÇ¾úÀ¸³ª ¾ÐÃà°­µµ ¹× pH¿Í °°Àº ´Ù¸¥ ¼ºÁúµéÀº MTA¿¡ ºñÇØ ¿ÀÈ÷·Á ¿­µîÇÑ °ÍÀ¸·Î ¹àÇôÁ³´Ù. ÀÓ»óÀû »ç¿ëÀÌ °¡´ÉÇÏ·Á¸é, MTAÀÇ ±âÁ¸ ÀåÁ¡À» ÀúÇØÇÏÁö ¾ÊÀ¸¸é¼­ ´ÜÁ¡À» °³¼±Çϱâ À§ÇÑ ÀûÀýÇÑ È¥ÇÕºñ¸¦ ã¾Æ³»°í »ýüģȭ¼ºÀ» Æò°¡ÇÏ´Â Ãß°¡ÀûÀÎ ¿¬±¸°¡ ÇʼöÀûÀÌ´Ù.

Objectives: The purpose of this study was to determine the setting time, compressive strength, solubility, and pH of mineral trioxide aggregate (MTA) mixed with glass ionomer cement (GIC) and to compare these properties with those of MTA, GIC, IRM, and SuperEBA.

Materials and Methods: Setting time, compressive strength, and solubility were determined according to the ISO 9917 or 6876 method. The pH of the test materials was determined using a pH meter with specified electrode for solid specimen.

Results: The setting time of MTA mixed with GIC was significantly shorter than that of MTA. Compressive strength of MTA mixed with GIC was significantly lower than that of other materials at all time points for 7 days. Solubility of 1 : 1 and 2 : 1 specimen from MTA mixed with GIC was significantly higher than that of other materials. Solubility of 1 : 2 specimen was similar to that of MTA. The pH of MTA mixed with GIC was 2-4 immediately after mixing and increased to 5-7 after 1 day.

Conclusions: The setting time of MTA mixed with GIC was improved compared with MTA. However, other properties such as compressive strength and pH proved to be inferior to those of MTA. To be clinically feasible, further investigation is necessary to find the proper mixing ratio in order to improve the drawbacks of MTA without impairing the pre-existing advantages and to assess the biocompatibility.

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Compressive strength; Glass-ionomer cement; Mineral trioxide aggregate; pH; Setting time; Solubility

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