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The effect of cleaning methods on bond strength of zirconia after saliva contamination

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½É¿µº¸ ( Shim Young-Bo ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
Ã־ȳª ( Choi An-Na ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
¼Õ¼º¾Ö ( Son Sung-Ae ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
Á¤°æÈ­ ( Jung Kyoung-Hwa ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç
±Ç¿ëÈÆ ( Kwon Yong-Hoon ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úÀç·áÇб³½Ç
¹ÚÁ¤±æ ( Park Jeong-Kil ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø Ä¡°úº¸Á¸Çб³½Ç

Abstract

º» ¿¬±¸´Â MDP Àû¿ë ÈÄ Å¸¾×À¸·Î ¿À¿°µÈ Áö¸£ÄÚ´Ï¾Æ ¼öº¹¹°À» ´Ù¾çÇÑ ¹æ¹ýÀ¸·Î ¼¼Ã´ÇÑ ÈÄ Àü´Ü°áÇÕ°­µµ¸¦ ºñ±³ÇÏ¿© ¼¼Ã´¹æ¹ýÀÌ °áÇÕ°­µµ¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸°íÀÚ ÇÑ´Ù. 80°³ÀÇ Áö¸£ÄÚ´Ï¾Æ ½ÃÆíÀ» 8°³ÀÇ ±ºÀ¸·Î ³ª´©¾ú´Ù. ¸ðµç ½ÃÆí¿¡ MDP¸¦ Àû¿ëÇÑ ÈÄ ÇÑ °³ÀÇ ±º(À½¼º´ëÁ¶±º)À» Á¦¿ÜÇÏ°í ³ª¸ÓÁö ±º¿¡ Ÿ¾×À» Àû¿ëÇÏ¿© ¿À¿°½ÃÄ×´Ù. ±× Áß ÇÑ °³ÀÇ ±º(¾ç¼º´ëÁ¶±º)Àº Ÿ¾× ¿À¿° ÈÄ ¼¼Ã´ÇÏÁö ¾Ê°í Áï½Ã ·¹Áø ½Ã¸àÆ®¸¦ ÀÌ¿ëÇÏ¿© Á¢ÂøÇÏ¿´´Ù. ³ª¸ÓÁö 6°³ÀÇ ±ºÀÇ ½ÃÆíÀ» ¹°À» ÀÌ¿ëÇÏ¿© ¼¼Ã´ÇÏ°í MDP¸¦ Àû¿ëÇϰųª(¹°+MDP) Àû¿ëÇÏÁö ¾ÊÀº ±º(¹°), IvocleanÀ¸·Î ¼¼Ã´ÇÏ°í MDP¸¦
Àû¿ëÇϰųª(IVOCLEAN+MDP) Àû¿ëÇÏÁö ¾ÊÀº ±º(IVOCLEAN), Â÷¾Æ¿°¼Ò»ê³ªÆ®·ýÀ» ÀÌ¿ëÇÏ¿© ¼¼Ã´ÇÏ°í MDP¸¦ Àû¿ëÇϰųª(NaOCl+MDP) Àû¿ëÇÏÁö ¾ÊÀº ±º(NaOCl)À¸·Î ºÐ·ùÇÏ¿´´Ù. ¸ðµå ½ÃÆíÀº 37¡ÆC Áõ·ù¼ö¿¡ 24½Ã°£ ÀúÀåÇÑ ÈÄ Àü´Ü°­µµ¸¦ ÃøÁ¤ÇÏ¿´°í, ANOVA, Tukey¡¯s post hoc test¸¦ ÀÌ¿ëÇÏ¿© Àü´Ü°­µµ¸¦ ºÐ¼®ÇÏ¿´°í, MDPÀÇ ÀçÀû¿ë ¿©ºÎ°¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇؼ­´Â student t-test¸¦ ÀÌ¿ëÇÏ¿© Åë°èºÐ¼®ÇÏ¿© ´ÙÀ½ÀÇ °á°ú¸¦ ¾ò¾ú´Ù. ¾ç¼º´ëÁ¶±ºÀÌ °¡Àå ³·Àº Àü´Ü°­µµ °ªÀ» ³ªÅ¸³ÂÀ¸¸ç, ¹°±º°ú NaOCl±ºÀÌ ³·Àº Àü´Ü°­µµ °ªÀ» ³ªÅ¸³»¸ç ¾ç¼º´ëÁ¶±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù. IVOCLEAN±ºÀº ¹°±º°ú NaOCl±ºº¸´Ù À¯ÀÇÇÏ°Ô ³ôÀº Àü´Ü°­µµ °ªÀ» ³ªÅ¸³»¸ç À½¼º´ëÁ¶±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù. MDP¸¦ ÀçÀû¿ëÇÑ °ÍÀº ¹°°ú Â÷¾Æ¿°¼Ò»ê³ªÆ®·ýÀ» ÀÌ¿ëÇÑ °æ¿ì MDP¸¦ ÀçÀû¿ëÇÏÁö ¾ÊÀº °æ¿ì¿Í À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³»¸é¼­ À½¼º´ëÁ¶±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù. IvocleanÀ» »ç¿ëÇÑ °æ¿ì MDP ÀçÀû¿ë ¿©ºÎ¿Í´Â °ü°è¾øÀÌ À½¼º´ëÁ¶±º°ú À¯ÀÇÇÑ Â÷ÀÌ°¡ ¾ø¾ú´Ù. °á·ÐÀûÀ¸·Î, ¼¼Ã´¹æ¹ý¿¡ µû¶ó Àü´Ü°­µµ´Â ¿µÇâÀ» ¹ÞÀ¸¸ç, MDP ÀçÀû¿ë ¿©ºÎ¿Í´Â °ü°è¾øÀÌ IvocleanÀÌ È¿°úÀûÀ̸ç, ¹°°ú Â÷¾Æ¿°¼Ò»ê³ªÆ®·ý »ç¿ë½Ã¿¡´Â MDP¸¦ ´Ù½Ã Àû¿ëÇØÁÖ´Â °ÍÀÌ °áÇÕ°­µµ¸¦ Çâ»ó½Ãų ¼ö ÀÖ´Â ¹æ¹ýÀ¸·Î »ç·áµÈ´Ù.

This study evaluated the effects of various cleaning methods on the shear bond strength of zirconia ceramics after saliva contamination. Eighty zirconia disk specimens were divided into 8 groups. All groups were treated with one coat of MDP primer. All specimens (except the negative control) were contaminated with human saliva on the zirconia surface. The positive control went through the bonding procedure immediately after contamination without any cleaning procedure. With the exception of control groups, the remaining six groups were rinsed with water and either applied with MDP recoating (WATER+MDP) or without MDP recoating (WATER). While some were cleaned with a Ivoclean with MDP recoating (IVOCLEAN+MDP) or not applied with MDP recoating IVOCLEAN), others were cleaned with a 1% NaOCl solution with MDP recoating (NaOCl+MDP) or without MDP recoating (NaOCl). The shear bond strength of all specimens were measured after being stored in distilled water at 37¡ÆC for 24 hours. The data was analyzed statistically by an analysis of ANOVA, Tukey¡¯s post hoc test and Student¡¯s t-test was used to compare the shear bond strength according to the re-coating of MDP after the cleaning procedure. The positive control group showed the lowest shear bond strength value, and the WATER group and NaOCl group showed no significant difference when compared to the positive control group. The IVOCLEAN group showed significantly higher shear bond strength when compared to Water group and NaOCl group but not with the group of negative control. After rinsing with water or the NaOCl solution, the comparison of the single coating of MDP and re-coating of MDP showed different shear bond strengths but there was no significant difference to the negative control. After rinsing with Ivoclean, there was no significant difference to the negative control regardless of the recoating of MDP. In conclusion, the shear bond strength was affected by the cleansing procedure and Ivoclean was found to be effective regardless of the re-coating of MDP. When water or the NaOCl solution is used to remove surface contaminants, the re-coating of MDP provides a positive effect on cementation.

Å°¿öµå

Zirconia; Saliva; Cleaning; NaOCl; Ivoclean; Shear bond strength

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