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Influence of application methods of one-step self-etching adhesives on microtensile bond strength

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ÃÖö±Ô ( Choi Chul-Kyu ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
¼Õ¼º¾Ö ( Son Sung-Ae ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
ÇÏÁøÈñ ( Ha Jin-Hee ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
Ç㺹 ( Hur Bock ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç
±èÇöö ( Kim Hyeon-Cheol ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
±Ç¿ëÈÆ ( Kwon Yong-Hoon ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úÀç·áÇб³½Ç
¹ÚÁ¤±æ ( Park Jeong-Kil ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°úº¸Á¸Çб³½Ç

Abstract

¿¬±¸¸ñÀû: ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº ´Ù¾çÇÑ ¹æ½ÄÀÇ ÇÑ ´Ü°è ÀÚ°¡ ºÎ½Ä Á¢ÂøÁ¦ÀÇ Àû¿ëÀÌ Á÷Á¢ º¹ÇÕ ·¹Áø ¼öº¹ÀÇ ¹Ì¼¼ ÀÎÀå °­µµ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡ÇÏ´Â °ÍÀ̾ú´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: 36°³ÀÇ ¹ß°ÅµÈ ´ë±¸Ä¡¸¦ »ç¿ëÇÏ¿©, 3Á¾·ùÀÇ ÇÑ ´Ü°è ÀÚ°¡ ºÎ½Ä Á¢ÂøÁ¦(Clearfil Tri-S Bond, Adper Prompt L-Pop, G-Bond)¿Í Àû¿ë ¹æ½Ä¿¡ µû¶ó 12°³ÀÇ ±ºÀ¸·Î ³ª´©¾ú´Ù. Á¢ÂøÁ¦¸¦ ´ÙÀ½ÀÇ ¹æ½ÄÀ¸·Î »ó¾ÆÁú¿¡ Àû¿ëÇÏ¿´´Ù. 1) single coating, 2) double coating, 3) manual agitation, 4) ultrasonic agitation. Á¢ÂøÁ¦ Àû¿ë ÈÄ, ±¤ÁßÇÕ º¹ÇÕ ·¹ÁøÀ¸·Î ¼öº¹ÇÏ¿´´Ù. 24½Ã°£ µ¿¾È ½Ç¿ÂÀÇ Áõ·ù¼ö¿¡ º¸°üÇÑ ÈÄ, °¢ ±º´ç 15°³ÀÇ ½ÃÆíÀ» ÁغñÇÏ¿© ¹Ì¼¼ÀÎÀå °áÇÕ °­µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù.

°á°ú: Manual agitation, ultrasonic agitation±ºÀº single coating, double coating±º¿¡ ºñÇØ À¯ÀÇÇÏ°Ô ³ôÀº ¹Ì¼¼ÀÎÀå °áÇÕ °­µµ¸¦ º¸¿´´Ù. Double coating±ºÀº single coating±º¿¡ ºñÇØ À¯ÀÇÇÏ°Ô ³ôÀº ¹Ì¼¼ÀÎÀå °áÇÕ °­µµ¸¦ º¸¿´À¸¸ç, manual agitation±º°ú ultrasonic agitation±º °£¿¡´Â ¹Ì¼¼ÀÎÀå °áÇÕ °­µµÀÇ À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù. Á¢ÂøÁ¦ Á¾·ù¿¡ µû¶ó ¹Ì¼¼ÀÎÀå °áÇÕ °­µµÀÇ À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú°í, ±× Áß Clearfil Tri-S Bond°¡ °¡Àå ³ô¾Ò´Ù.

°á·Ð: ÇÑ ´Ü°è ÀÚ°¡ »êºÎ½Ä Á¢ÂøÁ¦ÀÇ Àû¿ë ¹æ¹ý°ú Àç·á¿¡ µû¶ó ¹Ì¼¼ÀÎÀå °áÇÕ °­µµ¿¡ À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ¾ú´Ù. Á¢ÂøÁ¦ Á¾·ù¿¡ °ü°è¾øÀÌ manual agitation°ú ultrasonic agitationÀº À¯ÀÇÇÏ°Ô ³ôÀº ¹Ì¼¼ÀÎÀå °áÇÕ°­µµ¸¦ º¸¿´´Ù.

Objectives: The purpose of this study was to evaluate the effect of various application methods of one-step self-etch adhesives to microtensile resin-dentin bond strength.

Materials and Methods: Thirty-six extracted human molars were used. The teeth were assigned randomly to twelve groups (n = 15), according to the three different adhesive systems (Clearfil Tri-S Bond, Adper Prompt L-Pop, G-Bond) and application methods. The adhesive systems were applied on the dentin as follows: 1) The single coating, 2) The double coating, 3) Manual agitation, 4) Ultrasonic agitation. Following the adhesive application, light-cure composite resin was constructed. The restored teeth were stored in distilled water at room temperature for 24 hours, and prepared 15 specimens per groups. Then microtensile bond strength was measured and the failure mode was examined.

Results: Manual agitation and ultrasonic agitation of adhesive significantly increased the microtensile bond strength than single coating and double coating did. Double coating of adhesive significantly increased the microtensile bond strength than single coating did and there was no significant difference between the manual agitation and ultrasonic agitation group. There was significant difference in microtensile bonding strength among all adhesives and Clearfil Tri-S Bond showed the highest bond strength.

Conclusions: In one-step self-etching adhesives, there was significant difference according to application methods and type of adhesives. No matter of the material, the manual or ultrasonic agitation of the adhesive showed significantly higher microtensile bond strength.

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Adhesive application methods; Microtensile bond strength; One-step self-etching adhesives

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