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EndoTwinn°ú System B continuous wave of obturation units¸¦ ÀÌ¿ëÇÑ ±Ù´ÜºÎ ±Ù°üÃæÀü È¿À²ºñ±³

Comparison of apical sealing ability of continuous wave of obturation technique using EndoTwinn and System B

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¼Ò¼Ó »ó¼¼Á¤º¸
½ÅÇöÁÖ ( Shin Hyun-Ju ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
¹ÚÁ¤±æ ( Park Jeong-Kil ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
Ç㺹 ( Hur Bock ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
±èÇöö ( Kim Hyeon-Cheol ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç

Abstract

ÃÖ±Ù continuous wave of obturation techniqueÀ» ÀÌ¿ëÇÑ ±Ù°ü ÃæÀü Àåºñ·Î¼­ ¿­ Àû¿ë»Ó ¸¸ ¾Æ´Ï¶ó ÃÊÀ½ÆÄ Áøµ¿ÀÇ ±â´ÉÀÌ ºÎ°¡µÈ EndoTwinnÀ̶ó´Â ±â±¸°¡ ¼Ò°³µÇ¾ú´Ù. ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº ÀϹÝÀûÀ¸·Î ³Î¸® »ç¿ëµÇ´Â System B¿Í »õ·Î¿î ±â±¸ÀÎ EndoTwinnÀ» »ç¿ëÇÑ ±Ù°üÃæÀü ½Ã ±Ù´Ü Æó¼â È¿À²À» ºñ±³Çϱâ À§ÇÑ °ÍÀÌ´Ù.
Á÷¼±Çü Ä¡±ÙÀ» °¡Áø 60°³ÀÇ ¹ßÄ¡µÈ ¼Ò±¸Ä¡¿Í »ó¾Ç ÀýÄ¡¸¦ ±Ù°üÀå ÃøÁ¤ ÈÄ, 6% °æ»çÀÇ ¿£Áø ±¸µ¿Çü ´ÏÄÌ-ŸÀÌŸ´½ ÆÄÀÏÀ» ÀÌ¿ëÇÏ¿© 35 ÆÄÀϱîÁö È®´ë ¹× ¼¼Ã´ÇÏ¿´´Ù. SB±º (n=20)Àº System B, ET±º (n=20)Àº EndoTwinnÀ» ÀÌ¿ëÇØ ÃæÀüÇÏ°í, Obtura II¸¦ ÀÌ¿ëÇÏ¿© backfillÇÏ¿´´Ù. ¾ç¼º ´ëÁ¶±ºÀ¸·Î¼­ PC±º(n=10)Àº ±Ù°ü Çü¼º ÈÄ ºó ±Ù°üÀ¸·Î ³²°ÜµÎ¾ú´Ù. SB, ET, PC±ºÀÇ ½ÃÆíÀº Ä¡±Ù÷ ÁÖÀ§ 1 mm¸¦ Á¦¿ÜÇÑ ¸ðµç Ä¡±Ù¸é¿¡ nail varnishÀ» Àû¿ëÇÏ°í À½¼º ´ëÁ¶±ºÀÎ NSB±º(n=5)°ú NET±º(n=5)ÀÇ ½ÃÆíÀº Ä¡±Ù÷À» Æ÷ÇÔÇÑ ¸ðµç Ä¡±Ù¸é¿¡ nail varnish¸¦ µµÆ÷ÇÏ¿´´Ù. °¢ Ä¡¾ÆÀÇ Ä¡±Ù÷À» ¸ÞÆ¿·»ºí·ç ¿ë¾×¿¡ 2ÀÏ°£ ´ã±Å º¸°üÇÑ ÈÄ, Ä¡±Ù÷¿¡¼­ 5 mm±îÁö 1 mm°£°ÝÀ¸·Î Àý´ÜÇÏ¿© ±Ù°üº®ÀÇ Âø»ö Á¤µµ¸¦ Æò°¡ÇÏ¿´°í, °¢ ³ôÀÌ¿¡¼­ÀÇ Á¡¼ö¸¦ ÇÕÇÏ¿© ±× ½ÃÆíÀÇ Á¡¼ö·Î Á¤ÇÏ¿´´Ù.
µÎ Àåºñ °£ÀÇ ¿°»öÁ¦ ´©ÃâÀÇ À¯ÀǼº °ËÁ¤À» À§ÇØ student t ºÐ¼®À» ½ÃÇàÇÏ¿´´Ù. ¿ÏÀüÈ÷ Àß·ÁÁöÁö ¾Ê°í Ç÷¯°Å¿¡ °¡Å¸ÆÛí°¡ ´Þ·Á³ª¿À´Â ºóµµ¸¦ ºñ±³Çϱâ À§ÇØ Ä«ÀÌ ºÐ¼®À» ½ÃÇàÇÏ¿´´Ù. PC±ºÀº ¸ðµç ±Ù°ü°ú »ó¾Æ¼¼°üÀÌ Âø»öµÇ¾úÀ¸¸ç, NC±ºÀº Âø»öÀÌ µÇÁö ¾Ê¾Ò´Ù. ET±ºÀÇ Âø»ö Á¤µµ°¡ SB±ºº¸´Ù À¯ÀÇÇÏ°Ô Àû°Ô ³ªÅ¸³µÀ¸¸ç(p < 0.05). Ç÷¯°Å¿¡ °¡Å¸Æìí°¡ ´Þ·Á³ª¿À´Â ºóµµ´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù.
ÀÌ ½ÇÇèÀÇ Á¶°ÇÇÏ¿¡¼­, EndoTwinnÀ» ÀÌ¿ëÇØ ÃæÀüÇÑ °æ¿ì¿¡ System B¸¦ ÀÌ¿ëÇØ ÃæÀüÇÑ °æ¿ìº¸´Ù ±Ù´ÜºÎ ¹ÐÆó Á¤µµ°¡ ´õ ÁÁÀº °ÍÀ¸·Î »ç·áµÈ´Ù.

The purpose of this study was to compare the apical leakage of the root canal filled with the System B and the EndoTwinn(the combined application of heat and ultrasonic vibration).
Sixty extracted premolars with straight root were cleaned and shaped to size 35. Group SB was obturated using System B and Group ET was filled with EndoTwinn. A size 35 of 0.06 tapered gutta-percha and Adseal were used and the plugger which could be introduced to 4 mm short of working length was selected in the obturation procedure. As the positive control, Group PC was not filled. In Group SB, ET and PC, all external surfaces of each tooth were coated with nail varnish leaving only 1 mm area around the apical foramen. In the negative control of Group NSB and Group NET, all of external tooth surface including apical foramen was coated with the nail varnish. The specimens were immersed in methylene blue dye solution for 2 days. Then the specimens were sectioned at each 1 mm from apex to 5 mm level. The final score of one specimen was given by summing up of the points at all levels.
The dye leakage of Group ET was significantly less than that observed in Group SB (p < 0.05). And the frequency of gutta-percha pulling out from root canal when the plugger was removed was more often with the System B than with EndoTwinn but there was no significant difference.

Å°¿öµå

±Ù°ü Æó¼â È¿À²;´©Ãâ;Continuous wave ÃæÀü¹ý
Sealing ability;Leakage;System B;EndoTwinn;Continuous wave

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