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THE EFFECT OF CPP-ACP PRE-TREATMENT ON BOND STRENGTH OF A SEALANT

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Abstract

ÃÖ±Ù CPP-ACPÀÇ Ãʱ⠿ì½ÄÁõÀÇ À籤ȭ ¹× ¿¹¹æ È¿°ú¿¡ ´ëÇÑ ¿¬±¸°¡ ¸¹ÀÌ ÁøÇàµÇ°í ÀÖ´Ù. ±×·¯³ª, CPP-ACP Àû¿ëÀ¸·Î ÀÎÇÑ ¹ý¶ûÁú »êºÎ½Ä ÀúÇ×¼º Áõ°¡°¡ Ä¡¸é¿­±¸Àü»öÁ¦ Á¢Âø¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇؼ­´Â ¿¬±¸°¡ ºÎÁ·ÇÑ ½ÇÁ¤ÀÌ´Ù. º» ¿¬±¸¿¡¼­´Â CPP-ACPÀÇ Ä¡¸é µµÆ÷ ¿©ºÎ¿Í Ä¡¸é¿­±¸Àü»öÁ¦ÀÇ Á¢Âø ¹æ¹ýÀÇ Â÷ÀÌ°¡ ¹ý¶ûÁú°ú Ä¡¸é¿­±¸Àü»öÁ¦ÀÇ °áÇշ¿¡ ¹ÌÄ¡´Â ¿µÇâ¿¡ ´ëÇÏ¿© ¹Ì¼¼Àü´Ü°áÇÕ°­µµ ÃøÁ¤¹ýÀ¸·Î ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù. °ÇÀüÇÑ Á¦3´ë±¸Ä¡¸¦ »ç¿ëÇÏ¿© 150°³ÀÇ ½ÃÆíÀ» Á¦ÀÛÇÏ¿´À¸¸ç, ´ÙÀ½°ú °°ÀÌ 6±ºÀ¸·Î ³ª´©¾ú´Ù. I±º: ÀΰøŸ¾×¿¡ 2ÁÖ º¸°ü ÈÄ 35% ÀÎ»ê »êºÎ½Ä II±º: ÀΰøŸ¾×¿¡ 2ÁÖ º¸°ü ÈÄ 35% ÀÎ»ê »êºÎ½Ä + Á¢ÂøÁ¦ III±º: ÀΰøŸ¾×¿¡ 2ÁÖ º¸°ü ÈÄ ÀÚ°¡ ºÎ½Ä Á¢ÂøÁ¦ IV±º: CPP-ACP 2ÁÖ Àû¿ë ÈÄ 35% ÀÎ»ê »êºÎ½Ä V±º: CPP-ACP 2ÁÖ Àû¿ë ÈÄ 35% ÀÎ»ê »êºÎ½Ä + Á¢ÂøÁ¦ VI±º: CPP-ACP 2ÁÖ Àû¿ë ÈÄ ÀÚ°¡ ºÎ½Ä Á¢ÂøÁ¦ 6±ºÀÇ ½ÃÆí¿¡ Ä¡¸é¿­±¸Àü»öÁ¦ Á¢Âø ÈÄ ¹Ì¼¼Àü´Ü°áÇÕ°­µµ¸¦ ÃøÁ¤ÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù. CPP-ACP Àû¿ëÀº ÀüÅëÀûÀÎ »êºÎ½Ä ¹æ¹ýÀ¸·Î Ä¡¸é¿­±¸Àü»öÁ¦¸¦ Á¢ÂøÇÏ´Â °æ¿ì¿¡´Â °áÇÕ°­µµ¿Í »êºÎ½Ä ¾ç»ó¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¾ÊÀ¸³ª, ÀÚ°¡ ºÎ½Ä Á¢ÂøÁ¦¸¦ »ç¿ëÇÑ °æ¿ì¿¡´Â Ä¡¸é¿­±¸Àü»öÁ¦ÀÇ °áÇÕ°­µµ¸¦ ¾àÈ­½ÃÄ×´Ù.

Recently the effect of CPP-ACP on early caries remineralization and prevention has hashbeen extensively researched. However, there has been a lack of research on micro-shear bond strength of a sealant applied on a CPP-ACP treated surface. Therefore, the purpose of this study was to evaluate the effect of CPP-ACP on the micro-shear bond strength of a sealant bonded with 3 different bonding systems. From the sound human 3rd molars, the 150 specimens were prepared and randomly assigned to six groups. Group I: Immersion in artificial saliva for 2 weeks + 35% phosphoric acid Group II: Immersion in artificial saliva for 2 weeks + 35% phosphoric acid + dentin bonding agent Group III: Immersion in artificial saliva for 2 weeks + self-etching adhesive Group IV: CPP-ACP application for 2 weeks + 35% phosphoric acid Group V: CPP-ACP application for 2 weeks + 35% phosphoric acid + dentin bonding agent Group VI: CPP-ACP application for 2 weeks + self-etching adhesive Sealant was applied and the micro-shear bond strength was measured. From the result of this study, it can be assumed that the CPP-ACP pretreatment can weaken the bond strength of a sealant if the enamel surface is conditioned with self-etch adhesive.

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CPP-ACP; Sealant; Micro-shear bond strength

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