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Retentive bond strength of fiber-reinforced composite posts cemented with different surface treatments

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Abstract

¿¬±¸ ¸ñÀû: º» ¿¬±¸´Â ±Ù°üÄ¡·áµÈ Ä¡¾Æ¿¡ ·¹Áø ½Ã¸àÆ®·Î fiber reinforced composite post (FRC) postÀÇ Á¢Âø½Ã Æ÷½ºÆ®ÀÇ ´Ù¾çÇÑ Ç¥¸é󸮸¦ ºñ±³ÇÏ¿©, »õ·Ó°Ô Á¦¾ÈµÇ°í ÀÖ´Â ´Ù¿ëµµ ÇÁ¶óÀ̸ÓÀÇ È¿¿ë¼º¿¡ ´ëÇØ Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù.

¿¬±¸ Àç·á ¹× ¹æ¹ý: ±Ù°üÄ¡·áµÈ ¼Ò±¸Ä¡ Áß Ä¡±Ù±æÀÌ 1.8 cm ÀÌ»ó µÇ´Â Ä¡¾Æ¸¸À» ÃÑ 24°³ ¼±ÅÃÇÏ¿´´Ù. Ç¥¸é ó¸®ÇÏÁö ¾ÊÀº ´ëÁ¶±º°ú Ç¥¸é󸮸¦ ½ÃÇàÇÑ FRC posts (DT Light Post, Size3, Bisco Inc., Schaumburg, IL, US)¸¦ ´ÙÀ½°ú °°ÀÌ 6°³ÀÇ ±×·ìÀ¸·Î ¹«ÀÛÀ§ ºÐ·ùÇÏ¿´´Ù: Group A: airborne-particle abrasion (Cojet sand, 3M ESPE), Group S: silanization (Bis-silane, Bisco Inc.), Group M: universal primer (Monobond-plus primer, Ivoclar Vivadent Inc.), Group AS: silanization after airborne-particle abrasion, Group AM: universal primer treatment after airborne-particle abrasion. ÇÏ¿´´Ù. CEJ¿¡¼­ 1.5 cm ±Ù°ü¼ºÇü ÈÄ ·¹Áø ½Ã¸àÆ®¸¦ ÀÌ¿ëÇÏ¿© Ç¥¸éó¸®µÈ ÃÑ 24°³ÀÇ FRC post¸¦ Á¢ÂøÇÏ°í ±¤ÁßÇÕÇÏ¿´´Ù. »ý¸®½Ä¿°¼ö¿¡ 24½Ã°£ º¸°üÇÑ ÈÄ Æ÷½ºÆ® ÀåÃà¿¡ ¼öÁ÷À¸·Î 1 mm µÎ²²·Î Àý´ÜÇÏ¿© ¸¸´É½ÃÇè±â·Î push-out test¸¦ ½ÃÇàÇÏ¿´´Ù. Æ÷½ºÆ®°¡ Å»¶ôµÇ´Â Á¢Âø ½ÇÆÐ °­µµ¸¦ ÃøÁ¤ÇÏ°í SEMÀ» °üÂûÇÏ¿© Á¢Âø ½ÇÆÐ ¾ç»óÀ» ºÐ·ùÇÏ°í, Á¢Âø °­µµ¸¦ Kruskal-Wallis test¿Í Tukey HSD value of rank test¸¦ ÀÌ¿ëÇÏ¿© Åë°è ºÐ¼®ÇÏ¿´´Ù(¥á=0.05).

°á°ú: Airborne-particle abrasionÈÄ ½Ç¶õ ó¸®ÇÑ ½ÇÇ豺¿¡¼­ À¯ÀÇÇÒ¸¸ÇÏ°Ô ³ôÀº Á¢Âø °­µµ¸¦ º¸¿´´Ù. ½Ç¶õ ó¸®, airborne-particle abrasionÈÄ ´Ù¿ëµµ ÇÁ¶óÀ̸Ӹ¦ ó¸®ÇÑ ½ÇÇ豺ÀÇ ¼ø¼­·Î Á¢Âø °­µµ°¡ ³ô°Ô ³ªÅ¸³µ´Ù. FRC postÀÇ Ç¥¸é¿¡ ƯÁ¤ Àü󸮸¦ ÇÏÁö ¾ÊÀº ´ëÁ¶±º¿¡¼­ °¡Àå ³·Àº °áÇÕ °­µµ¸¦ º¸ÀÌ°í, À̾ ´Ù¿ëµµ ÇÁ¶óÀ̸Ó, airborne-particle abrasion ¼øÀ¸·Î ³·Àº Æò±Õ Á¢Âø °­µµ¸¦ º¸¿´´Ù.

°á·Ð: FRC postÀÇ Á¢Âø Àü Ç¥¸é ó¸® °úÁ¤À¸·Î¼­ ½Ç¶õ 󸮸¦ °ÅÄ£ ½ÇÇ豺¿¡¼­ ³ôÀº °áÇÕ °­µµ¸¦ º¸¿´À¸¸ç, ´Ù¿ëµµ ÇÁ¶óÀ̸Ӹ¦ ÀÌ¿ëÇÑ Ç¥¸é 󸮴 ½Ç¶õ°ú ºñ±³ÇÏ¿© À¯ÀǼº ÀÖ´Â Á¢Âø °­µµÀÇ º¯È­¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù.

PURPOSE. This study will evaluate the effectiveness of various pretreatments when fiber-reinforced composite (FRC) post is bonded to endodontically treated tooth with resin cement.

MATERIALS AND METHODS. Canal shaping of FRC post (DT Light post, Size 3, Bisco Inc., Schaumburg, IL, USA) was performed on endodontically treated premolars at 1.5 cm from CEJ. Samples were divided into 6 groups of surface treatment after conventional washing and drying to the canal. Total of 24 FRC posts were randomly divided into 6 groups of surface treatment as follows: Group C: control - no surface treatment, Group A: airborne-particle abrasion (Cojet sand, 3M ESPE), Group S: silanization (Bis-silane, Bisco Inc.), Group M: universal primer (Monobond-plus primer, Ivoclar Vivadent Inc.), Group AS: silanization after airborne-particle abrasion, Group AM: universal primer treatment after airborne-particle abrasion. Pretreated fiber posts were cemented with resin-based luting material and photo-polymerized and cut to the thickness of 1 mm. Push-out test using a universal testing machine was performed. Bonding failure strength of post dislodgement was measured and the type of bonding failure was classified. Data were analyzed with Kruskal-Wallis test and multiple comparison groups were performed using Tukey HSD value of rank test (¥á=0.05).

RESULTS. Group AS showed significantly highest bonding strength. Group S, group AM, group A, and group M showed lower bonding strength in order. The control group showed the lowest bonding strength.

CONCLUSION. Surface treatment with silane showed to be the most effective of the surface pretreatment methods for cementation of FRC post. Surface treatment with universal primer showed no significant difference compared with no surface treatment group as for bonding strength.

Å°¿öµå

Fiber-reinforced composite (FRC) post; Ç¥¸éó¸®; ´Ù¿ëµµ ÇÁ¶óÀ̸Ó; Ä¡°ú¿ë ½Ç¶õ
Fiber-reinforced composite (FRC) post; Surface treatment; Universal primer; Dental silane

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