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MICROTENSILE BOND STRENGTH OF ALL-IN-ONE ADHESIVE TO CARIES-AFFECTED DENTIN

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Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº all-in-one adhesiveÀÎ Adper Prompt $L-Pop^{TM}$°ú $Xeno^{(R)}$ III¸¦ ¿ì½ÄÀÌȯ »ó¾ÆÁú¿¡ ´ÙÃþ Àû¿ëÇßÀ» ¶§ÀÇ È¿°ú¸¦ ¹Ì¼¼ÀÎÀå°áÇÕ°­µµÀÇ ÃøÁ¤°ú ÁÖ»çÀüÀÚÇö¹Ì°æÀ» ÀÌ¿ëÇÑ ÆÄÀý¾ç»óÀÇ °üÂûÀ» ÅëÇØ ¾Ë¾Æº¸´Âµ¥ ÀÖ´Ù. ±³ÇÕ¸é ¿ì½ÄÀÌ ÀÖ´Â 21°³ÀÇ Ä¡¾Æ¿¡¼­ ÆíÆòÇÑ »ó¾ÆÁú ¸éÀÌ ³ëÃâµÇµµ·Ï ÇÏ¿© °¨¿° »ó¾ÆÁúÀ» Á¦°ÅÇÑ ÈÄ 3°³¾¿ 7°³ÀÇ ±ºÀ¸·Î ºÐ·ùÇÏ¿´´Ù. SM ±ºÀº $Scotchbond^{TM}$ Multi-purpose¸¦ Àû¿ëÇÏ¿´´Ù. LP1 ±º, LP2 ±º, LP3 ±ºÀº Adper Prompt $L-Pop^{TM}$À» °¢°¢ ´ÜÃþ, 2Ãþ, 3ÃþÀ¸·Î Àû¿ëÇÏ¿´´Ù. XN1 ±º, XN2 ±º, XN3 ±ºÀº Xeno^{(R)}$ III¸¦ °¢°¢ ´ÜÃþ, 2Ãþ. 3ÃþÀ¸·Î Àû¿ëÇÏ¿´´Ù. °¢°¢ÀÇ »ó¾ÆÁú Á¢ÂøÁ¦ ó¸® ÈÄ, ±¤ÁßÇÕ·¹ÁøÀÎ $Filtex^{TM}$ Z-250À» 10mm ³ôÀÌ·Î ÀûÃþ ÃæÀüÇÏ¿´´Ù. °¢ Ä¡¾Æ´Â °¡·Î¿Í ¼¼·ÎÀÇ ±æÀÌ°¡ °¢°¢ 1 mmÀÎ ¸·´ë ¸ð¾çÀÇ ÀýÆíÀÌ µÇµµ·Ï ¼öÁ÷À¸·Î Àý´ÜÇÏ¿´´Ù. ±× ÈÄ ¹Ì¼¼ÀÎÀå°áÇÕ°­µµ¸¦ ÃøÁ¤ÇÏ¿´´Ù. ÃøÁ¤ ÈÄ ÆÄÀýµÈ ½ÃÆíÀ» ÁÖ»çÀüÀÚÇö¹Ì°æÀ» ÀÌ¿ëÇÏ¿© ÆÄÀý¾ç»óÀ» »ìÆ캸¾Ò´Ù. °¢ ±ºÀÇ ¹Ì¼¼ÀÎÀå°áÇÕ°­µµ¸¦ one-way ANOVA¿Í $95\%$ ½Å·ÚµµÀÇ Scheffe¡¯¡¯s Test¸¦ ÀÌ¿ëÇÏ¿© ºÐ¼®ÇÏ¿´´Ù. ÀÌ ¿¬±¸ÀÇ °á°ú´Â ´ÙÀ½°ú °°´Ù. 1. ¹Ì¼¼ÀÎÀå°áÇÕ°­µµ¸¦ ÃøÁ¤ÇÑ °á°ú, SM ±ºÀº 14.38{\pm}2.01$ MPa, LP1±º, LP2 ±º, LP3 ±ºÀº °¢°¢ $9.15{\pm}1.81$ MPa, $14.08{\pm}1.75$ MPa, $14.06{\pm}1.45$ MPa·Î ÃøÁ¤µÇ¾ú°í, XN1 ±º, XN2 ±º, XN3 ±ºÀº °¢°¢ $13.65{\pm}1.95$ MPa, $13.98{\pm}1.60$ MPa, $13.88{\pm}1.66$ MPA·Î ÃøÁ¤µÇ¾ú´Ù. LP1 ±ºÀº ´Ù¸¥ ¸ðµç ±º¿¡ ºñÇØ ³·Àº ¹Ì¼¼ÀÎÀå°áÇÕ°­µµ¸¦ ³ªÅ¸³»¾ú°í (p < 0.05). LP1 ±ºÀ» Á¦¿ÜÇÑ ´Ù¸¥ ¸ðµç ±º »çÀÌ¿¡´Â À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù (p > 0.05). 2. ÆÄÀý¾ç»óÀ» °üÂûÇÑ °á°ú, LP1 ±º¿¡¼­´Â Á¢Âø¼º ÆÄÀýÀÌ ¿ì¼¼ÇÏ°Ô ³ªÅ¸³µ°í, LP1 ±ºÀ» Á¦¿ÜÇÑ ´Ù¸¥ ¸ðµç ±º¿¡¼­´Â È¥ÇÕÇü ÆÄÀýÀÌ ÁÖ·Î ÀϾ´Ù.

The purpose of this study was to evaluate the effect of multiple application of all-in-one dentin adhesive system on microtensile bond strength to caries-affected dentin. Twenty one extracted human molars with occlusal caries extending into mid-dentin were prepared by grinding the occlusal surface flat. The carious lesions were excavated with the aid of caries detector dye. The following adhesives were applied to caries-affected dentin according to manufacturer¡¯¡¯s directions; $Scotchbond^{TM}$ Multi-Purpose in SM group, Adper Prompt $L-Pop^{TM}$ 1 coat in LP1 group, 2 coats in LP2 group, 3 coats in LP3 group, $Xeno^{(R)}$ III 1 coat in XN1 group, 2 coats in XN2 group. and 3 coats in XN3 group. After application of the adhesives, a cylinder of resin-based composite was built up on the occlusal surface. Each tooth was sectioned vertically to obtain the $1{\times}1\;mm^2$ sticks. The microtensile bond strength was determined. Each specimen was observed under SEM to examine the failure mode. Data were analyzed with one-way ANOVA. The results of this study were as follows; 1. The microtensile bond strength values were; SM ($14.38{\pm}2.01$ MPa), LP1 ($9.15{\pm}1.81$ MPa), LP2(14.08{\pm}1.75$ MPa), LP3 ($14.06{\pm}1.45$ MPa). XN1 (13.65{\pm}1.95$ MPa). XN2 ($13.98{\pm}1.60$) MPa, XN3 ($13.88{\pm}1.66$) MPa, LP1 was significantly lower than the other groups in bond strength (p < 0.05). All groups except LP1 were not significantly different in bond strength (p > 0.05). 2. In LP1, there were a higher number of specimens showing adhesive failure. Most specimens of all groups except LP1 showed mixed failure.

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