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Real-time measurement of dentinal fluid flow during desensitizing agent application

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±è¼±¿µ, ±èÀºÁÖ, ÀÌÀκ¹,
¼Ò¼Ó »ó¼¼Á¤º¸
±è¼±¿µ ( Kim Sun-Young ) - °æÈñ´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç
±èÀºÁÖ ( Kim Eun-Ju ) - µ¿³²º¸°Ç´ëÇÐ Ä¡À§»ý°ú
ÀÌÀκ¹ ( Lee In-Bog ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°úº¸Á¸Çб³½Ç

Abstract

¿¬±¸¸ñÀû: º» ¿¬±¸ÀÇ ¸ñÀûÀº ¹Ì¼¼ À¯Ã¼ È帧 ÃøÁ¤ÀåÄ¡¸¦ ÀÌ¿ëÇؼ­ °¢ »ó¾ÆÁú Áö°¢°ú¹Î óġÁ¦ÀÇ Àû¿ë °úÁ¤ Áß ¹ß»ýÇÏ´Â »ó¾Æ ¼¼°ü¾× È帧ÀÇ À¯µ¿À» °üÂûÇÏ°í, »ó¾ÆÁú Áö°¢°ú¹Î óġÁ¦ °£ Àû¿ë ÈÄ Åõ°úµµ °¨¼ÒÀÇ Â÷À̸¦ ºñ±³ÇÏ°íÀÚ ÇÏ´Â °ÍÀÌ´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: CEJ 5 mm ÇϹ濡¼­ Àý´ÜÇÑ ¼Ò±¸Ä¡¸¦ ¹Ì¼¼ È帧 ÃøÁ¤ÀåÄ¡¿¡ ¿¬°áÇÏ¿© 20 cm ÀÇ Á¤¼ö¾ÐÀ» °¡ÇÏ¿´´Ù. Ä¡°æºÎ¿¡ »óÇÏ 3 mm, ±Ù¿ø½É 4 mm, ±íÀÌ 2 mmÀÇ VÀÚ ÇüÅÂÀÇ 5±Þ ¿Íµ¿À» Çü¼ºÇÏ°í smear layer¸¦ Á¦°ÅÇϱâ À§ÇØ 15ÃÊ µ¿¾È »ê ºÎ½ÄÇÑ ÈÄ »ó¾ÆÁú Áö°¢°ú¹Î óġÁ¦¸¦ Àû¿ëÇÏ¿´´Ù. »ç¿ëµÈ »ó¾ÆÁú Áö°¢°ú¹Î óġÁ¦´Â Seal&Protect (SP), SuperSeal (SS), BisBlock (BB), Gluma desensitizer (GL), Bifluoride 12 (BF) ÀÌ´Ù. »ó¾Æ¼¼°ü¾×ÀÇ È帧Àº Áö°¢°ú¹Î óġÁ¦ µµÆ÷ ÀüºÎÅÍ µµÆ÷ ÈÄ 5ºÐ±îÁö ½Ç½Ã°£À¸·Î ÃøÁ¤µÇ¾ú´Ù.

°á°ú: ½ÇÇè¿¡ »ç¿ëÇÑ ¸ðµç »ó¾ÆÁú Áö°¢°ú¹Î óġÁ¦´Â Àû¿ë ÈÄÀÇ »ó¾Æ¼¼°ü¾× È帧À²ÀÌ Àû¿ë Àü¿¡ ºñÇØ À¯ÀÇÇÏ°Ô °¨¼ÒÇÏ¿´´Ù(p < 0.05). SP´Â GL°ú BF¿¡ ºñÇØ À¯ÀÇÇÏ°Ô Åõ°úµµ °¨¼Ò°¡ ³ªÅ¸³µ´Ù (p < 0.05). SS¿Í BB´Â BF¿¡ ºñÇØ À¯ÀÇÇÏ°Ô Åõ°úµµ °¨¼Ò¸¦ º¸¿´´Ù (p < 0.05).

°á·Ð: Áö°¢°ú¹Î óġÁ¦ÀÇ µµÆ÷ °úÁ¤ µ¿¾È °¢ óġÁ¦ÀÇ Æ¯Â¡ÀûÀÎ »ó¾Æ¼¼°ü¾×ÀÇ À¯µ¿À» ¹Ì¼¼ À¯Ã¼ È帧 ÃøÁ¤ÀåÄ¡¸¦ ÅëÇØ °üÂû ÇÒ ¼ö ÀÖ¾ú´Ù.

Objectives: The aim of this study was to examine changes in the dentinal fluid flow (DFF) during desensitizing agent application and to compare permeability after application among the agents.

Materials and Methods: A Class 5 cavity was prepared to exposure cervical dentin on an extracted human premolar which was connected to a sub-nanoliter fluid flow measuring device (NFMD) under 20 cm water pressure. DFF was measured from before application of desensitizing agent (Seal&Protect, SP; SuperSeal, SS; BisBlock, BB; Gluma desensitizer, GL; Bi-Fluoride 12, BF) through application procedure to 5 min after application.

Results: DFF rate after each desensitizing agent application was significantly reduced when compared to initial DFF rate before application (p < 0.05). SP showed a greater reduction in DFF rate than GL and BF did (p < 0.05). SS and BB showed a greater reduction in DFF rate than BF did (p < 0.05).

Conclusions: Characteristic DFF aspect of each desensitizing agent was shown in NFMD during the application procedure.

Å°¿öµå

°ú¹ÎÁõ óġÁ¦; »ó¾Æ¼¼°ü¾× È帧; »ó¾ÆÁú °ú¹ÎÁõ; À¯Ã¼ È帧 ÃøÁ¤ÀåÄ¡; Åõ°úµµ
Dentin hypersensitivity; Dentinal fluid flow; Desensitizing agent; Fluid flow measuring device; Permeability

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