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EFFECT OF IRRIGATION METHODS ON THE ADHESION OF RESILON/EPIPHANY SEALER AND GUTTA-PERCHA/AH 26 SEALER TO INTRACANAL DENTIN

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Abstract

º» ¿¬±¸¿¡¼­´Â ±Ù°ü ¼¼Ã´¹ýÀÌ µÎ °¡Áö ±Ù°ü ÃæÀüÀç (Gutta-percha/AH 26 sealer, Resilon/Epiphany sealer)ÀÇ ±Ù°ü »ó¾ÆÁú°úÀÇ Á¢Âø¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡ÇÏ¿´´Ù. ÃÑ 30°³ÀÇ ¹ß°ÅµÈ »ó¾Ç ÀüÄ¡¸¦ °¢°¢ 5°³¾¿ 6°³ÀÇ ±ºÀ¸·Î ºÐ·ùÇÏ¿© ±Ù°ü ¼ºÇüÀ» ÇÏ°í ¸¶Áö¸· ¼¼Ã´À» ´ÙÀ½°ú °°ÀÌ ½ÃÇàÇÑ ÈÄ G1, G2, G3 ±ºÀº Gutta-percha/AH 26 sealer·Î, R1, R2, R3 ±ºÀº Resilon/Epiphany sealer·Î ±Ù°ü ÃæÀüÇÏ¿´´Ù. G1, R1±º : 5.25% NaOCl ¼¼Ã´ G2, R2±º : 5.25% NaOCl ¼¼Ã´ ÈÄ sterile saline¼¼Ã´ G3, R3±º : 5.25% NaOCl ¼¼Ã´ ÈÄ 17% EDTA, sterile saline ¼øÀ¸·Î ¼¼Ã´ °¢ ±ºÀÇ ÃæÀüµÈ Ä¡¾Æ¸¦ ¾ÆÅ©¸± ·¹Áø¿¡ ¸Å¸ôÇÏ°í ¾à 1 mmµÎ²²·Î Àý´ÜÇÑ ÈÄ ¸¸´É ¹°¼º ½ÃÇè±â»ó¿¡¼­ push-out bond strength¸¦ ÃøÁ¤ÇÏ¿´°í ½ÇÇè ÈÄ ÆÄÀý ¾ç»óÀ» Image-analyzing microscopeÀ¸·Î °üÂûÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. 1. Gutta-percha/AH 26 sealer ÃæÀü±º¿¡¼­ Resilon/Epiphany sealer ÃæÀü±ºº¸´Ù push-out bond strength°¡ ³ô°Ô ³ªÅ¸³µ´Ù (p < 0.05). 2. Resilon/Epiphany sealer ÃæÀü±º Áß 17% EDTA, sterile saline¼øÀ¸·Î ¼¼Ã´½Ã 5.25% NaOCl ¼¼Ã´¿¡ ºñÇØ push-out bond strength°¡ ³ô°Ô ³ªÅ¸³µ´Ù (p < 0.05). 3. ÆÄÀý ¾ç»óÀ» ºÐ¼®½Ã ¸ðµç ±ºÀº Á¢Âø¼º°ú È¥ÇÕ¼º ÆÄÀý ¾ç»óÀ» ³ªÅ¸³»¾ú°í, G1, G2, R1 ±ºÀº ÀÀÁý¼º ÆÄÀý ¾ç»óÀÌ ³ªÅ¸³ªÁö ¾Ê¾ÒÀ¸¸ç, Resilon/Epiphany sealer ÃæÀü±ºÀº Gutta-percha/AH 26 sealer ÃæÀü±º¿¡ ºñÇØ ÀÀÁý¼º°ú È¥ÇÕ¼º ÆÄÀý ¾ç»óÀÌ ´õ ³ôÀº ºñÀ²·Î ³ªÅ¸³µ´Ù.

The purpose of this study was to evaluate whether intracanal irrigation method could affect the adhesion between intracanal dentin and root canal filling materials (Gutta-percha/AH 26 sealer and Resilon/Epiphany sealer). Thirty extracted human incisor teeth were prepared. Canals were irrigated with three different irrigation methods as a final rinse and obturated with two different canal filling materials (G groups: Gutta-percha/AH 26 sealer, R groups: Resilon/Epiphany sealer) respectively. Group G1, R1-irrigated with 5.25% NaOCl Group G2, R2-irrigated with 5.25% NaOCl, sterile saline Group G3, R3-irrigated with 5.25% NaOCl, 17% EDTA, sterile saline Thirty obturated roots were horizontally sliced and push-out bond strength test was performed in the universal testing machine. After test, the failure patterns of the specimens were observed using Image-analyzing microscope. The results were as follows. 1. Gutta-percha/AH 26 sealer groups had significantly higher push-out bond strength compared with the Resilon/Epiphany sealer groups (p < 0.05). 2. Push-out bond strength was higher when using 17% EDTA followed by sterile saline than using NaOCl as a final irrigation solution in the Resilon/Epiphany sealer groups (p < 0.05). 3. In the failure pattern analysis, there was no cohesive failure in Group G1, G2, and R1. Gutta-percha/AH 26 sealer groups appeared to exhibit predominantly adhesive and mixed failure patterns, whereas Resilon/Epiphany sealer groups exhibited mixed failures with the cohesive failure occurred within the Resilon substrate.

Å°¿öµå

±Ù°ü ÃæÀüÀç;±Ù°ü ¼¼Ã´¹ý
Push-out bond strength;Gutta-percha/AH 26 sealer;Resilon/Epiphany sealer;Obturation materials;Irrigation methods

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