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Shear Bond Strength of Adhesive Precoated (APC II) Bracket Bonded with Self-etching Primer

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Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº °ÇÁ¶ ¶Ç´Â ½ÀÀ± »óÅ¿¡¼­ self-etching primer·Î Àüó¸® ÈÄ ºÎÂøµÈ adhesive precoated(APC) ºê ¶óÄÏÀÇ Àü´Ü°áÇÕ°­µµ¸¦ Æò°¡ÇÏ´Â °ÍÀ̾ú´Ù. 120°³ÀÇ °ÇÀüÇÑ ¼Ò±¸Ä¡°¡ »ç¿ëµÇ¾úÀ¸¸ç, self-etching primer(Transbond Plus Self-Ethcing Primer)¸¦ µ¿ÀÏÇÏ°Ô Ä¡¸é¿¡ Àû¿ëÇÏ¿´´Ù. Self-etching primer µµÆ÷ Àü¿¡ ÀΰøŸ¾×À» Àû¿ëÇÑ ½ÀÀ± ±º(W)°ú Àû¿ëÇÏÁö ¾ÊÀº °ÇÁ¶±º(D)À¸·Î ³ª´©°í, »ç¿ëµÈ adhesiveÀÇ Á¾·ù(APCII, Transbond XT, Light-bond)¿¡ µû¶ó °¢°¢ 20°³ÀÇ Ä¡¾Æ·Î ±¸¼ºµÈ 6Á¾·ùÀÇ ±º(group TD, group AD, group LD, group TW, group AW, group LW)À¸·Î ±¸ ºÐÇÏ¿´´Ù. 24½Ã°£ °æ°ú ÈÄ Instron Universal testing machineÀ» ÀÌ¿ëÇÏ¿© Àü´Ü°áÇÕ°­µµ¸¦ ÃøÁ¤ÇßÀ¸¸ç, debonding ÈÄ ÆÄÀý¾ç»óÀ» ¾Ë¾Æº¸±â À§ÇØ bracket base¿¡ ³²¾ÆÀÖ´Â adhesive¸¦ °üÂûÇÏ¿© ARI score¸¦ ±â·ÏÇÏ¿´´Ù. º» ½ÇÇèÀÇ °á °ú´Â APC II systemÀº ÀÓ»óÀûÀ¸·Î »ç¿ë °¡´ÉÇÑ bond strength¸¦ °¡Áö¸ç, saliva contamination½Ã¿¡µµ hydrophilicÇÑ ¼ºÁú¿¡ ÀÇÇØ ±âÁ¸ÀÇ adhesiveº¸´Ù ³ôÀº bond strength¸¦ º¸Àδٴ °ÍÀÌ´Ù.

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APC system; Self-etching primer

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