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Ç׹̻ý¹°Á¦Á¦¸¦ Æ÷ÇÔÇÑ self-etching primer·Î Á¢ÂøÇÑ ¼¼¶ó¹Í ºê¶óÄÏÀÇ Àü´Ü °áÇÕ °­µµ

Shear bond strength of ceramic brackets bonded with antimicrobial monomer-containing self-etching primer

Korean Journal of Orthodontics 2011³â 41±Ç 1È£ p.16 ~ 24
±ÇÅÂÈÆ, °­Àå¹Ì, À峪¿µ, °­°æÈ­,
¼Ò¼Ó »ó¼¼Á¤º¸
±ÇÅÂÈÆ ( Kwon Tae-Hun ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú±³Á¤Çб³½Ç
°­Àå¹Ì ( Kang Jang-Mi ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú±³Á¤Çб³½Ç
À峪¿µ ( Chang Na-Young ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú±³Á¤Çб³½Ç
°­°æÈ­ ( Kang Kyung-Hwa ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú±³Á¤Çб³½Ç

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº ¼¼¶ó¹Í ºê¶óÄÏÀÇ Á¾·ù¿¡ µû¸¥ Ç׹̻ý¹°Á¦Á¦¸¦ Æ÷ÇÔÇÑ self-etching primerÀÇ Àü´Ü °áÇÕ °­µµ Â÷À̸¦ Æò°¡ÇÏ°í, Á¢ÂøÁ¦ ÀÜ·ù Áö¼ö(adhesive remnant index, ARI)¸¦ ±â·ÏÇÏ¿© ºê¶óÄÏ-Á¢ÂøÁ¦ÀÇ ÆÄÀý¾ç»óÀ» ¾Ë¾Æº¸´Â °ÍÀÌ´Ù. Àΰ£ÀÇ ¹ßÄ¡µÈ Ä¡¾Æ 90°³¸¦ ¼¼¶ó¹Í ºê¶óÄÏÀÇ Á¾·ù(´Ü°áÁ¤ ȤÀº ´Ù°áÁ¤)¿Í primerÀÇ Á¾·ù(Transbond XT primer, Transbond Plus SEP, Clearfil Protect Bond)¿¡ µû¶ó ÀÓÀÇ·Î 6°³ ±ºÀ¸·Î ºÐ·ùÇÏ¿© °¢ ±º´ç 15°³ÀÇ Ä¡¾Æ¸¦ ÇÒ´çÇÏ¿´´Ù. Àü´Ü °áÇÕ °­µµ¸¦ ÃøÁ¤ ÈÄ Ä¡¸é¿¡ ³²¾Æ ÀÖ´Â Á¢ÂøÁ¦ÀÇ ¾çÀ» Æò°¡ÇÏ¿´´Ù. ¼¼ Á¾·ùÀÇ primer ¸ðµÎ¿¡¼­ ´Ù°áÁ¤ ¼¼¶ó¹Í ºê¶óÄϱºÀÌ ´Ü°áÁ¤ ¼¼¶ó¹Í ºê¶óÄϱºº¸´Ù Àü´Ü °áÇÕ °­µµ°¡ À¯ÀÇÇÏ°Ô ³ô¾Ò´Ù (p £¼ 0.001). ´Ü°áÁ¤°ú ´Ù°áÁ¤ ¼¼¶ó¹Í ºê¶óÄϱº ¸ðµÎ¿¡¼­ Transbond XT primer¸¦ ÀÌ¿ëÇÏ¿© Á¢ÂøÇÑ ±ºÀÌ Transbond Plus SEPÀ̳ª Clearfil Protect Bond¸¦ ÀÌ¿ëÇÏ¿© Á¢ÂøÇÑ ±ºº¸´Ù Àü´Ü °áÇÕ °­µµ°¡ À¯ÀÇÇÏ°Ô ³ô¾Ò´Ù (p £¼ 0.001). ¸ðµç ±º¿¡¼­ ¸ðµç Á¢ÂøÁ¦°¡ Ä¡¸é¿¡ ³²¾Æ Àְųª 90% ÀÌ»ó ³²¾Æ ÀÖ´Â ºê¶óÄÏ-Á¢ÂøÁ¦ °è¸éÀÇ ÆÄÀýÀÌ °üÂûµÇ¾ú´Ù. ÀûÀýÇÑ Àü´Ü °áÇÕ °­µµ¿Í ÆÄÀý ¾ç»óÀ» °í·ÁÇÏ¿© ´Ü°áÁ¤ ¼¼¶ó¹Í ºê¶óÄÏ°ú self-etching primer Á¶ÇÕÀÌ ÃßõµÈ´Ù.

Objective : The purpose of this study was to determine (1) the shear bond strength (SBS) of an antimicrobial monomer-containing self-etching primer according to ceramic bracket types and (2) the bracket-adhesive failure mode using an adhesive remnant index (ARI).

Methods: A total of 90 extracted human teeth were randomly divided into 6 groups. Each group consisted of one of two ceramic brackets (monocrystalline, polycrystalline) and one of three primers (Transbond XT primer, Transbond Plus SEP, Clearfil Protect Bond) with each group containing 15 specimens. The SBS was measured, and adhesive residues left on the tooth surface were assessed.

Results: The SBS of polycrystalline ceramic bracket groups was significantly higher than that of the monocrystalline ceramic bracket groups (p £¼ 0.001). The SBS of Transbond XT primer groups was significantly higher than those of Transbond Plus SEP groups and Clearfil Protect Bond groups (p £¼ 0.001). All the groups showed bonding failures between the bracket base and adhesive.

Conclusion: The combination of a self-etching primer with a monocrystalline bracket is recommended for clinical use, considering its acceptable SBS and mode of failure.

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Àü´Ü °áÇÕ °­µµ; Ç׹̻ý¹°Á¦Á¦¸¦ Æ÷ÇÔÇÑ self-etching primer; ¼¼¶ó¹Í ºê¶óÄÏ; ºê¶óÄÏ-Á¢ÂøÁ¦ ÆÄÀý
Shear bond strength; Antimicrobial monomer-containing self-etching primer; Ceramic bracket; Bracket-adhesive failure

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