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Effect of different adhesive systems and post surface treatments on the push-out bond strengths of fiber-reinforced post

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½ÉÇý¿ø ( Shim Hye-Won ) - ÇѸ²´ëÇб³ ¼º½Éº´¿ø Ä¡°úº¸Ã¶°ú

Abstract

¸ñÀû:º» ¿¬±¸¿¡¼­´Â ÀÚ°¡-Á¢Âø ·¹Áø ½Ã¸àÆ®ÀÇ Á¢Âø °­µµ¿¡ Æ÷½ºÆ®ÀÇ Ç¥¸é ó¸®¿Í Á¢Âø ½Ã½ºÅÛÀÌ ¹ÌÄ¡´Â ¿µÇâÀ» Á¶»çÇÏ°íÀÚ ÇÏ¿´´Ù.

Àç·á ¹× ¹æ¹ý:ºñ½ÁÇÑ Ä¡±Ù ±æÀ̸¦ °¡Áø 48°³ÀÇ »ç¶÷ »ó¾Ç ´Ü±ÙÄ¡¸¦ »ç¿ëÇÏ¿© 160°³ÀÇ ½ÃÆíÀ» Á¦ÀÛÇÏ°í Á¢Âø ½Ã½ºÅÛ¿¡ µû¶ó 4°³ÀÇ ±ºÀ¸·Î ºÐ·ùÇÏ¿´´Ù(no adhesive, Adper Single Bond 2, Clearfil SE Bond, Clearfil S3). °¢ ±ºÀº Æ÷½ºÆ® Ç¥¸é ó¸® ¹æ½Ä¿¡ µû¶ó ´Ù½Ã 4°³ÀÇ ±ºÀ¸·Î ¼¼ºÐÇÏ¿´´Ù(no treatment, sandblast, silane, sandblast and silane). Æ÷½ºÆ®¸¦(Parapost Fiber White) Rely X UnicemÀ» »ç¿ëÇÏ¿© Á¢ÂøÇÏ¿´´Ù. Ä¡¾Æ¸¦ ÀåÃà¿¡ ¼öÁ÷À¸·Î 1 mm µÎ²²·Î Àý´Ü ÇÏ¿´´Ù. Push-out test¸¦ 0.5 mm/ºÐÀÇ crosshead speed·Î ½ÃÇàÇÏ¿´´Ù. 2-way ANOVA, 1-way ANOVA °ËÁ¤À» ½ÃÇàÇÏ¿´°í Tukey test¸¦ ÅëÇÑ »çÈÄ °ËÁ¤À» ½ÃÇàÇÏ¿´´Ù(a=0.05).

°á°ú: Tukey test¸¦ ÅëÇÑ »çÈÄ °ËÁ¤¿¡¼­ Á¢Âø ½Ã½ºÅÛ¿¡ µû¸¥ Â÷ÀÌ°¡ ³ªÅ¸³µ´Ù. Clearfil SE Bond°¡ °¡Àå ³ôÀº Á¢Âø °­µµ¸¦ ³ªÅ¸³»¾ú´Ù.

°á·Ð:»ó¾ÆÁú¿¡ Clearfil SE bond¸¦ »ç¿ëÇÏ°í Æ÷½ºÆ®¸¦ ½Ç¶õ 󸮽à °¡Àå ³ôÀº Á¢Âø °­µµ¸¦ ³ªÅ¸³»¾ú´Ù.

PURPOSE.The purpose of this study was to evaluate the push-out bond strength of glass-fiber post cemented with different adhesive systems and surface treatments.

MATERIALS AND METHODS. 160 tooth samples made from 48 human maxillary single-rooted teeth with similar root length were divided into 4 groups according to the adhesive system (no adhesive, Adper Single Bond 2, Clearfil SE Bond, Clearfil S3). Each group had 4 subgroups according to the post surface treatment methods (no treatment, sandblast, silane, sandblast and silane). Posts (Parapost Fiber White) were cemented with Rely X Unicem. The teeth were sectioned perpendicular to their long axis into 1-mm thick sections. The push-out tests was performed at a speed of 0.5 mm/min. The results were evaluated by 2-way ANOVA, 1-way ANOVA and multiple comparison procedures (Tukey test) (a=0.05).

RESULTS. Tukey test showed that the adhesive system significantly influenced the push-out strength. The Clearfil SE Bond group showed the highest value. Post surface treatments showed no significant effect.

CONCLUSION. Bond strength of glass-fiber post cemented with self-adhesive resin cement using Clearfil SE Bond showed significantly higher values compared to other adhesive systems.

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Á¢Âø °­µµ; ¼¶À¯ °­È­ Æ÷½ºÆ®; Push-out test; Á¢Âø ½Ã½ºÅÛ
Bond strength; Fiber-reinforced post; Push-out test; Adhesive system

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