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The efficacy of ultrasonic irrigation technique on debris removal during root canal treatment

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±èÁ¤Çö, ±èÁø¿ì, Á¶°æ¸ð, ¹Ú¼¼Èñ,
¼Ò¼Ó »ó¼¼Á¤º¸
±èÁ¤Çö ( Kim Jeong-Hyeon ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
±èÁø¿ì ( Kim Jin-Woo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
Á¶°æ¸ð ( Cho Kyung-Mo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
¹Ú¼¼Èñ ( Park Se-Hee ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç

Abstract

¸ñÀû: Passive irrigation (PI)°ú Passive ultrasonic irrigation (PUI)ÀÇ »ó¾ÆÁú ÀÜ»ç Á¦°Å È¿À²¼ºÀ» ºñ±³ÇÏ´Â °ÍÀÌ´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: 16 mm ±æÀ̷ΠǥÁØÈ­µÈ ÇÏ¾Ç ¼Ò±¸Ä¡ Ä¡±ÙÀ» ±Ù°ü È®´ë ÈÄ Á¾´ÜÀ¸·Î À̵îºÐ ÇÏ¿´´Ù. ºÐ¸®µÈ ÇÑÂÊ »ó¾ÆÁúº®¿¡´Â ±æÀÌ 4 mm, ³Êºñ 0.2 mm, ±íÀÌ 0.5 mmÀÇ Ç¥ÁØÈ­µÈ ±¸¸¦ Çü¼ºÇÏ¿´°í, ¹Ý´ëÂÊ¿¡´Â Á÷°æ 0.3 mm, ±íÀÌ 0.5 mmÀÎ 3°³ÀÇ ¹Ý±¸ ÇüÅÂÀÇ ÇԿ並 Çü¼ºÇÏ¿´´Ù. °¢ ±¸¿Í ÇÔ¿ä¿¡´Â NaOCl°ú È¥ÇÕµÈ »ó¾ÆÁú ÀÜ»ç·Î ä¿ì°í, ÆÛƼ ÀλóÀ縦 »ç¿ëÇÏ¿© ÀçÁ¶ÇÕÇÏ¿´´Ù. Group 1Àº PI¸¦ ÀÌ¿ëÇÏ°í Group 2´Â PUI¸¦ ÀÌ¿ëÇÏ¿© °¢ ±Ù°ü³»¸¦ ¼¼Á¤ÇÏ¿´´Ù. Çö¹Ì°æ°ú µðÁöÅÐÄ«¸Þ¶ó·Î ÀýÆíÀÇ ±Ù°üº®À» ÃÔ¿µÇÏ°í, ±¸¿Í ÇÔ¿ä¿¡ ÀÜÁ¸ÇÏ´Â »ó¾ÆÁú ÀÜ»çÀÇ ¾çÀ» scoring systemÀ» ÀÌ¿ëÇÏ¿© Æò°¡ÇÏ¿´´Ù.

°á°ú: ±Ù°üÀÇ Áß¾Ó 1/3¿¡¼­ group 1ÀÌ group 2¿¡ ºñÇØ Àܻ縦 ´õ ¸¹ÀÌ Á¦°ÅÇÏ¿´Áö¸¸, Ä¡±Ù´ÜºÎ¿¡¼­´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù.

°á·Ð: ÇÏ¾Ç ¼Ò±¸Ä¡¿¡¼­ ±Ù°ü¿¡ ±â±¸°¡ ´êÁö ¸øÇÏ´Â ºÎÀ§¸¦ ¼¼Á¤½Ã, ±Ù°üÀÇ Áß¾Ó 1/3¿¡¼­ PUI¸¦ »ç¿ëÇÏ´Â °ÍÀÌ PI¿¡ ºñÇØ »ó¾ÆÁú ÀÜ»çÀÇ Á¦°Å È¿À²ÀÌ ¿ì¼öÇßÁö¸¸, Ä¡±Ù´ÜºÎ¿¡¼­´Â PUI¿Í PIÀÇ À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù.

Purpose: The purpose of this study was comparing the efficacy of passive irrigation (PI) and passive ultrasonic irrigation (PUI) for ability to remove debriment of canals.

Materials and Methods: Mandibular premolars were decoronated and standardized to 16 mm length. After root canal enlargement and half separating longitudinally, standardized groove of 4 mm length, 0.2 mm width
and 0.5 mm depth were formed on the dentin wall of one half. Three depressions in the canal wall of the opposite half, 0.3 mm in diameter and 0.5 mm in depth, were formed. After each groove and depression was filled with dentin debris, two sections of each half were reassembled using impression putty material. In group 1 the canals were irrigated with 2.5% NaOCl by PI. In group 2 the canals were irrigated with 2.5% NaOCl by PUI. Before and after root canal irrigation, the root canal wall of the section was taken with a microscope and a digital camera as images. The amount of dentin debris remaining in grooves and depressions was assessed
using a scoring system.

Results: There was no significant difference between PI and PUI except for the middle 1/3 of the root canal (P = 0.004).
Conclusion: At the middle 1/3 of the root canal, PUI removed more dentine debris than PI. But the removal efficiency of
dentin debris is not significantly different between the PUI and PI at the apical area of root canal in mandibular premolars.

Å°¿öµå

±Ù°ü ¼¼Á¤; »ó¾ÆÁú ÀÜ»ç; ÇÏ¾Ç ¼Ò±¸Ä¡; ¼öµ¿Àû ¼¼Á¤; ¼öµ¿Àû ÃÊÀ½ÆÄ ¼¼Á¤
canal irrigation; dentine debris; mandibular premolar; passive irrigation; passive ultrasonic irrigation

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