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Effect of dentin surface treatment and exclusive primer on bond strength of a self-adhesive resin cement

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ÀÓ°íÀº ( Lim Go-Eun ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
¼Õ¼º¾Ö ( Son Sung-Ae ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
¹ÚÁ¤±æ ( Park Jeong-Kil ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº ÀÚ°¡ Á¢Âø ·¹Áø ½Ã¸àÆ®(G-CEM one)ÀÇ Á¢Âø °­µµ¿¡ ¿©·¯ »ó¾ÆÁú Ç¥¸é 󸮰¡ ¹ÌÄ¡´Â È¿°ú¸¦ Æò°¡ÇÏ´Â °ÍÀÌ´Ù. ½ÃÆíÁ¦ÀÛÀ» À§ÇØ Àΰ£ ´ë±¸Ä¡¸¦ ¼öÆòÀ¸·Î À߶ó Ç¥ÁØ µµ¸»ÃþÀ» Çü¼ºÇÏ¿´´Ù. »ó¾ÆÁú ó¸® ¹æ¹ý¿¡ µû¶ó óġ¸¦ ½ÃÇàÇÏÁö ¾ÊÀº ´ëÁ¶±º, 10% Æú¸®¾ÆÅ©¸±»êÀ» ó¸®ÇÑ ±º, ·¹Áø ½Ã¸àÆ®ÀÇ Àü¿ë ÇÁ¶óÀ̸Ӹ¦ ó¸®ÇÑ ±º, Æú¸®¾ÆÅ©¸±»ê ¹× Àü¿ë ÇÁ¶óÀ̸Ӹ¦ ó¸®ÇÑ ±ºÀ¸·Î ½ÃÆíÀ» ºÐ·ùÇÏ¿´´Ù. »ó¾ÆÁú Ç¥¸é 󸮸¦ ½ÃÇàÇÑ ÈÄ Ä¡¸é¿¡ ¹Ì¸® ÁßÇÕµÈ ·¹Áø ºí·ÏÀ» G-CEM one ½Ã¸àÆ®·Î ÇÕÂøÇÏ¿´´Ù. ½ÃÆíÀ» ¹°¿¡ ÀúÀåÇÑ ÈÄ ¸·´ë ½ÃÆíÀ»Á¦ÀÛÇÏ¿© Á¢ÂøÇÑ ½ÃÆíÀÇ ¹Ì¼¼ÀÎÀå°­µµ¸¦ ÃøÁ¤ÇÏ¿´°í ÃøÁ¤°ªÀº Åë°è ºÐ¼®ÇÏ¿´´Ù. ¶ÇÇÑ Àü¿ë ÇÁ¶óÀ̸Ӹ¦ Àû¿ëÇÑ ½ÃÆíÀÇ »ó¾ÆÁú-½Ã¸àÆ®Á¢Âø °è¸éÀ» °øÃÊÁ¡ ·¹ÀÌÀú Çö¹Ì°æÀ¸·Î °üÂûÇÏ¿´´Ù. ½ÇÇè °á°ú Æú¸®¾ÆÅ©¸±»êÀ» ó¸®ÇÑ ±ºÀÇ Á¢Âø °­µµ°¡ ´Ù¸¥ ±º¿¡ ºñÇØ À¯ÀÇÇÏ°Ô³·¾Ò°í(p<0.05), Àü¿ë ÇÁ¶óÀ̸Ӹ¦ ó¸®ÇÑ ±ºÀÇ Á¢Âø °­µµ´Â ´ëÁ¶±ºº¸´Ù À¯ÀÇÇÏ°Ô ÄÇ´Ù(p<0.05). °á·ÐÀûÀ¸·Î ½Ã¸àÆ® Àü¿ë ÇÁ¶óÀ̸Ӵ½øàÆ®ÀÇ »ó¾ÆÁú Á¢Âø °­µµ¸¦ À¯ÀÇÇÏ°Ô Áõ°¡½ÃÄ×°í, Æú¸®¾ÆÅ©¸±»ê¸¸ Àû¿ëÇßÀ» °æ¿ì Á¢Âø °­µµ¿¡ ºÎÁ¤ÀûÀÎ ¿µÇâÀ» ¹ÌÃÆ´Ù.

The purpose of this study was to evaluate the effect of different dentin surface treatments on the bond strength of self-adhesiveresin cement (G-CEM one). Human permanent molars were sectioned horizontally and standard smear layer was created.
Teeth were divided into 4 groups according to the treatment methods: 1) no treatment, 2) 10% polyacrylic acid treatment,3) exclusive primer (G-CEM one primer) treatment, 4) polyacrylic acid + exclusive primer treatment. After surface treatment,composite resin blocks were cemented with G-CEM one. After storage, specimens were cut into bars to measure the microtensilebond strength. Measured data were statistically analyzed. Confocal laser scanning microscopy was used to observe the bondinginterface of cemented surface. Polyacrylic acid surface treatment group showed significantly lower ¥ìTBS than other groups(p<0.05). ¥ìTBS of exclusive primer treated groups was significantly higher than the control group (p<0.05). As a result,the exclusive primer improved dentin-cement bond strength. Polyacrylic acid treatment alone had negative effect on ¥ìTBSof G-CEM one and dentin.

Å°¿öµå

ÀÚ°¡ Á¢Âø ·¹Áø ½Ã¸àÆ®; »ó¾ÆÁú Ç¥¸é ó¸®; Àü¿ë ÇÁ¶óÀ̸Ó; Á¢Âø °­µµ; µµ¸»Ãþ
Self-adhesive resin cements; Dentin surface treatment; Exclusive primer; Bond strength; Smear layer

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