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Effect of 2% chlorhexidine application on microtensile bond strength of resin composite to dentin using one-step self-etch adhesives

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Àå¼øÇÔ ( Jang Soon-Ham ) - 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
¹ÚÁ¤±æ ( Park Jeong-Kil ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
±Ç¿ëÈÆ ( Kwon Yong-Hoon ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úÀç·áÇб³½Ç

Abstract

¿¬±¸¸ñÀû: ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº 2% Ŭ·Î¸£Çí½Ãµò Àû¿ëÀÌ ÇÑ ´Ü°è ÀÚ°¡ºÎ½ÄÁ¢ÂøÁ¦¸¦ ÀÌ¿ëÇÑ Á÷Á¢ º¹ÇÕ ·¹Áø ¼öº¹ÀÇ ¹Ì¼¼ ÀÎÀå°­µµ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡ÇÏ´Â °ÍÀ̾ú´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: 24°³ÀÇ ¹ß°ÅµÈ ´ë±¸Ä¡¸¦ »ç¿ëÇÏ¿© 3Á¾·ùÀÇ ÇÑ ´Ü°è ÀÚ°¡ºÎ½ÄÁ¢ÂøÁ¦ (Clearfil S3 Bond, Xeno V, GBond)¸¦ Ŭ·Î¸£Çí½ÃµòÀ» Àû¿ëÇÑ ±×·ì°ú Àû¿ëÇÏÁö ¾ÊÀº ±×·ì, ÃÑ 6°³ÀÇ ±×·ìÀ¸·Î ³ª´©¾ú´Ù. Ŭ·Î¸£Çí½ÃµòÀ» Àû¿ëÇϰųª Àû¿ëÇÏÁö ¾Ê°í ±× »óºÎ¿¡ °¢°¢ÀÇ Á¢ÂøÁ¦¸¦ Àû¿ëÇÏ°í ±¤ÁßÇÕ º¹ÇÕ ·¹ÁøÀ¸·Î ¼öº¹ÇÏ¿´´Ù. 24½Ã°£ µ¿¾È ½Ç¿ÂÀÇ Áõ·ù¼ö¿¡ º¸°üÇÑ ÈÄ °¢ ±×·ì´ç 10°³ÀÇ ½ÃÆíÀ» Áغñ ÇÏ¿© ¸ðµç ½ÃÆíÀÇ ¹Ì¼¼ÀÎÀå °áÇÕ °­µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù.

°á°ú: 2% Ŭ·Î¸£Çí½Ãµò Àû¿ëÀÌ ÇÑ ´Ü°è ÀÚ°¡ºÎ½ÄÁ¢ÂøÁ¦¸¦ ÀÌ¿ëÇÑ º¹ÇÕ·¹Áø ¼öº¹ÀÇ ¹Ì¼¼ÀÎÀå °áÇÕ°­µµ¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê¾Ò´Ù. Ŭ·Î¸£Çí½Ãµò Àû¿ë°ú »ó°ü¾øÀÌ Clearfil S3 Bond°¡ °¡Àå ³ôÀº ¹Ì¼¼ÀÎÀå °áÇÕ°­µµ °ªÀ» ³ªÅ¸³»¾ú°í ±× ´ÙÀ½Àº GBond, Xeno V ¼øÀ̾ú´Ù. ÆÄÀý ¾ç»óÀº ´ëºÎºÐ Á¢Âø¼º ÆÄÀýÀ» º¸¿´°í ÀϺδ ÀÀÁý¼º ÆÄÀýÀ» º¸¿´´Ù.

°á·Ð: 2% Ŭ·Î¸£Çí½Ãµò Àû¿ëÀÌ ÇÑ ´Ü°è ÀÚ°¡ºÎ½ÄÁ¢ÂøÁ¦¸¦ ÀÌ¿ëÇÑ º¹ÇÕ·¹Áø ¼öº¹ÀÇ ¹Ì¼¼ÀÎÀå °áÇÕ°­µµ¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¾Ê¾Ò´Ù.

Objectives: This study examined the effect of 2% chlorhexidine on the ¥ìTBS of a direct composite restoration using one-step self-etch adhesives on human dentin.

Materials and Methods : Twenty-four extracted permanent molars were used. The teeth were assigned randomly to six groups (n = 10), according to the adhesive system and application of chlorhexidine. With or without the application of chlorhexidine, each adhesive system was applied to the dentin surface. After the bonding procedure, light-cure composite resin buildups were produced. The restored teeth were stored in distilled water at room temperature for 24 hours, and then cut and glued to the jig of the microtensile testing machine. A tensile load was applied until the specimen failed. The failure mode was examined using an operating microscope. The data was analyzed statistically using one-way ANOVA, Student¡¯s t-test (p < 0.05) and Scheffe¡Ç¡¯s test.

Results: Regardless of the application of chlorhexidine, the Clearfil S3 Bond showed the highest ¥ìTBS, followed by G-Bond and Xeno V. Adhesive failure was the main failure mode of the dentin bonding agents tested with some samples showing cohesive failure.

Conclusions: The application of 2% chlorhexidine did not affect the ¥ìTBS of the resin composite to the dentin using a one-step self-etch adhesive.

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¹Ì¼¼ÀÎÀå°­µµ; Ŭ·Î¸£Çí½Ãµò; ÇÑ ´Ü°è ÀÚ°¡ºÎ½Ä Á¢Âø
Chlorhexidine; Microtensile bond strength; One-step self-etch adhesive

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