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Ä®½·½Ç¸®ÄÉÀÌÆ® °è¿­ ½Ç·¯·Î ÃæÀüÇÑ ±Ù°ü¿¡¼­ ÀçÄ¡·á¿ë NiTi ÆÄÀÏÀÇ È¿À²¼º

Efficacy of retreatment NiTi files for root canals filled with calcium silicate-based sealer

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ÇöÀçÀ±, Á¶°æ¸ð, ¹Ú¼¼Èñ, ÀÌÀ±, ÀÌÀ±ÁÖ, ±èÁø¿ì,
¼Ò¼Ó »ó¼¼Á¤º¸
ÇöÀçÀ± ( Hyun Jae-Yun ) - Gangneung-Wonju National University College of Dentistry Department of Conservative Dentistry
Á¶°æ¸ð ( Cho Kyung-Mo ) - Gangneung-Wonju National University College of Dentistry Department of Conservative Dentistry
¹Ú¼¼Èñ ( Park Se-Hee ) - Gangneung-Wonju National University College of Dentistry Department of Conservative Dentistry
ÀÌÀ± ( Lee Yoon ) - Gangneung-Wonju National University College of Dentistry Department of Conservative Dentistry
ÀÌÀ±ÁÖ ( Lee Yoon-Joo ) - Gangneung-Wonju National University College of Dentistry Department of Conservative Dentistry
±èÁø¿ì ( Kim Jin-Woo ) - Gangneung-Wonju National University College of Dentistry Department of Conservative Dentistry

Abstract

¸ñÀû: ±Ù°ü Ä¡·á¿¡ »ç¿ëµÈ ½Ç·¯ÀÇ ¾ç°ú, ÀçÄ¡·á¿ë NiTi ÆÄÀÏÀÌ ±Ù°üÃæÀüÀçÀÇ Á¦°Å È¿À²¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: ¹ß°ÅµÈ ¼Ò±¸Ä¡ Áß ´ÜÀÏ ±Ù°üÀ» °¡Áö´Â Ä¡¾Æ¸¦ ´ë»óÀ¸·Î ÇÏ¿´´Ù. #40/.06±îÁö ±Ù°ü Çü¼ºÀ» ÇÑ ÈÄ, ¹«ÀÛÀ§·Î 4 ±×·ìÀ¸·Î ºÐ·ùÇÏ¿´´Ù. ±Ù°üÃæÀüÀç Áß ½Ç·¯°¡ Â÷ÁöÇÏ´Â ¾çÀ» ´Ù¸£°Ô Çϱâ À§ÇØ ±×·ì º°·Î .06 taper ¶Ç´Â .04 taper °ÅŸÆÛÂ÷¸¦ Ä®½·½Ç¸®ÄÉÀÌÆ® ½Ç·¯ÀÎ Ceraseal°ú ÇÔ²² »ç¿ëÇÏ¿© single-cone ÃæÀü¹ýÀ¸·Î ÃæÀüÇÏ¿´´Ù. ±×·ì º°·Î ÀçÄ¡·á¿ë NiTi ÆÄÀϷδ ProTaper Universal Retreatment system (PTUR) ¶Ç´Â Hyflex Remover (HR)¸¦ »ç¿ëÇÏ¿´´Ù. ÃæÀüÀç Á¦°Å¿¡ °É¸° ½Ã°£, Ä¡±Ù´Ü ¹æÃâ Àܻ緮, ±Ù°ü ³»ÀÇ ÃæÀüÀç ÀÜÁ¸·®À» ÃøÁ¤ÇÏ°í ºñ±³ÇÏ¿´´Ù.

°á°ú: ±Ù°üÄ¡·á¿¡ »ç¿ëµÈ ½Ç·¯ÀÇ ¾çÀº ÃæÀüÀç Á¦°Å È¿À²¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê¾Ò´Ù. HR ±×·ìÀº PTUR ±×·ìº¸´Ù ºü¸£°Ô ÃæÀüÀ縦 Á¦°ÅÇÏ¿´´Ù. Ä¡±Ù´Ü ¹æÃâ Àܻ緮°ú ±Ù°üÃæÀüÀç ÀÜÁ¸·®Àº ÀçÄ¡·á¿ë NiTi ÆÄÀÏÀÇ Á¾·ù¿¡ µû¶ó À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.

°á·Ð: ±Ù°üÄ¡·á¿¡ »ç¿ëµÈ ½Ç·¯ÀÇ ¾çÀº Á¦°Å È¿À²¿¡ À¯ÀÇÇÑ ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê¾Ò´Ù. HR´Â ±âÁ¸ÀÇ PTURº¸´Ù ºü¸£°Ô ÃæÀüÀ縦 Á¦°ÅÇßÀ¸¸ç, ´Ù¸¥ Á¦°Å È¿À²Àº Â÷ÀÌ°¡ ¾ø¾ú´Ù.

Purpose: The efficacy of the amount of sealer in the root canal and two retreatment NiTi file systems in removing filling materials.

Materials and Methods: Extracted premolars with a single root canal were selected for this study. After access opening and root canal preparation up to size #40/.06, the specimens were randomly divided into four groups. Gutta percha (GP) tapers of .06 or .04 were used for each group and filled using a single-cone filling technique with CeraSeal, a calcium silicate-based sealer. Each group was retreated either using the ProTaper Universal Retreatment System (PTUR) or the Hyflex Remover (HR). The time taken to remove the filling material, the amounts of apically extruded debris, and canal cleanliness were measured and compared.

Results: The amount of sealer did not affect the efficiency when removing the filling materials. However, the filling material was removed faster in the HR group than in the PTUR group. Two types of NiTi files showed similar retreatment effects in the amounts of apically extruded debris and in the degree of canal cleanliness.

Conclusion: The amount of sealer in canal filling had no significant effect on retreatability. Retreatment with HR removed filling materials is faster than PTUR. There was no difference in other removal efficiencies according to the type of retreatment NiTi file.

Å°¿öµå

ÀçÄ¡·á¿ë NiTi ÆÄÀÏ; Ä®½·½Ç¸®ÄÉÀÌÆ® °è¿­ ½Ç·¯; HyFlex Remover; ProTaper Universal Retreatment Files; single-cone ÃæÀü¹ý
calcium-silicate based sealer; HyFlex Remover; ProTaper Universal Retreatment Files; retreatment NiTi file; single-cone filling technique

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