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Shear bond strength of a self-adhesive resin cement to resin-coated dentin
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ÇãÁ¤¿í ( Heo Jeong-Uk ) - ±ÂÀªÄ¡°úº´¿ø
¹æ¹Î±â ( Bang Min-Ki ) - ±ÂÀªÄ¡°úº´¿ø
·ùÀçÁØ ( Ryu Jae-Jun ) - °í·Á´ëÇб³ ÀÓ»óÄ¡ÀÇÇдëÇпø ½É¹Ì¼öº¹Çаú
KMID : 0362420130510010027
Abstract
¿¬±¸ ¸ñÀû: º» ¿¬±¸¿¡¼´Â °£Á¢ ·¹Áø ¼öº¹½Ã¿¡ »ó¾ÆÁú Á¢ÂøÁ¦¿Í ÀúÁ¡µµ ·¹ÁøÀ» ÀÌ¿ëÇÑ »ó¾ÆÁú ·¹ÁøÄÚÆùýÀ» ÀÚ°¡ Á¢Âø ·¹Áø ½Ã¸àÆ®¿¡ Àû¿ëÇØ Àü´Ü°áÇÕ°µµ°¡ Áõ°¡ÇÏ´ÂÁö ºñ±³ÇÏ°í ±âÁ¸ÀÇ ·¹Áø ½Ã¸àÆ®¿ÍÀÇ Àü´Ü°áÇÕ°µµ Â÷ÀÌ°¡ ¾î¶°ÇÑÁö Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù.
¿¬±¸ Àç·á ¹× ¹æ¹ý:»ç¶÷ÀÇ ¹ß°ÅµÈ °ÇÀüÇÑ ±¸Ä¡ 36°³ÀÇ Ä¡°üºÎ¸¦ »èÁ¦ÇÏ°í »ó¾ÆÁúÀ» ³ëÃâ½ÃŲ ÈÄ3°³ÀÇ ±ºÀ¸·Î ºÐ·ùÇÏ¿´´Ù. 1±º°ú 3±ºÀº »ó¾ÆÁú¿¡ ¾Æ¹«·± ó¸® °úÁ¤À» °ÅÄ¡Áö ¾Ê°í 2±º¸¸ Clearfil SE bond¿Í Metafil Flo¸¦ »ç¿ëÇØ »ó¾ÆÁú ·¹ÁøÄÚÆùýÀ» ½ÃÇàÇÏ¿´´Ù. 24½Ã°£ÀÇ Àӽüöº¹ ±â°£À» µÐ ÈÄ Tescera¸¦ ÀÌ¿ëÇÏ¿© Á¦ÀÛÇÑ ·¹Áø Àη¹ÀÌ ºí·ÏÀ» 1±º°ú 2±º¿¡´Â Unicem, 3±º¿¡´Â Panavia F¸¦ »ç¿ëÇØ Á¢ÂøÇÏ¿´´Ù. ±× ÈÄ Áõ·ù¼ö¿¡ 48½Ã°£ µ¿¾È º¸°üÇÑ ÈÄ Àü´Ü°áÇÕ°µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. ÃøÁ¤µÈ Àü´Ü°áÇÕ°µµ´Â one-way ANOVA¸¦ ÀÌ¿ëÇÏ¿© ºñ±³ ºÐ¼®ÇÏ¿´À¸¸ç À¯ÀÇÇÑ Â÷ÀÌ°¡ ÀÖ´Â °æ¿ì Tukey method¸¦ ÀÌ¿ëÇÏ¿© multiple comparison¸¦ ½ÃÇàÇÏ¿´´Ù.
°á°ú:»ó¾ÆÁú¿¡ ·¹ÁøÄÚÆùýÀ» ½ÃÇàÇÑ °æ¿ìÀÇ UnicemÀÇ °áÇÕ°µµ°¡ »ó¾ÆÁú¿¡ ¾Æ¹«·± 󸮸¦ ÇÏÁö ¾ÊÀº ´ëÁ¶±ºÀÇ °áÇÕ°µµº¸´Ù ³ô°Ô ³ªÅ¸³µ°í(P<.0001), ·¹ÁøÄÚÆÃÀ» ÇÏÁö ¾Ê°í Panavia F·Î Á¢ÂøÇÑ ½ÇÇ豺ÀÇ °áÇÕ°µµº¸´Ù ³ô°Ô ³ªÅ¸³µ´Ù(P<.0001).
°á·Ð:»ó¾ÆÁú ·¹ÁøÄÚÆùýÀº ÀÚ°¡ Á¢Âø ·¹Áø ½Ã¸àÆ®ÀÇ Á¢Âø °µµ¸¦ Áõ°¡½ÃÄ×´Ù.
PURPOSE: The aims of this study were to evaluate the effect of a resin coating on the shear bond strength of indirect composite restoration bonded to dentin with a self adhesive resin cement and to compare the shear bond strength with that of a conventional resin cement.
MATERIALS AND METHODS: The occlusal enamels of thirty six extracted noncarious human molars were removed until the dentin flat surfaces of the teeth were exposed. Then, they were divided into 3 groups. The dentin surfaces of group 1 and 3 were left without any conditioning, while the dentin surfaces of group 2 were resin-coated with Clearfil SE bond and a flowable resin composite, Metafil Flo. After all specimens were temporized for 24 hours, indirect composite resin blocks fabricated by Tescera were bonded to dentins by Unicem for group 1 and 2, and by Panavia F for group 3. After 48 hours of water storage, shear bond strengths were measured. The data was analyzed with one-way analysis of variance and multiple comparison test (Tukey method).
RESULTS: The shear bond strengths of Unicem applied to resin coated dentin surfaces were significantly higher than those of Unicem and Panavia F used to uncoated dentin surfaces (P<.0001).
CONCLUSION: Application of a resin coating to the dentin surface significantly improved the shear bonding strength of a self adhesive resin cement in indirect restoration.
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Resin cement; Resin coating; Shear bond strength; Indirect composite resin restoration
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