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In vitro cytotoxicity of self-etching primers

Korean Journal of Orthodontics 2006³â 36±Ç 6È£ p.422 ~ 433
ÀÌâÈÆ, ±èÀηÉ, ±è±Ôõ, ±è¼º½Ä, ¼Õ¿ì¼º,
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ÀÌâÈÆ ( Rhee Chang-Hoon ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç
±èÀηɠ( Kim In-Ryoung ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­ÇغÎÇб³½Ç ¹× ±¸°­»ý¹°°øÇבּ¸¼Ò
±è±Ôõ ( Kim Gyoo-Cheon ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­ÇغÎÇб³½Ç ¹× ±¸°­»ý¹°°øÇבּ¸¼Ò
±è¼º½Ä ( Kim Seong-Sik ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú±³Á¤Çб³½Ç
¼Õ¿ì¼º ( Son Woo-Sung ) - ºÎ»ê´ëÇб³ Ä¡°ú´ëÇÐ ±³Á¤Çб³½Ç

Abstract

ÀÚ°¡ »êºÎ½Ä ÇÁ¶óÀ̸Ӵ ¼¼Æ÷µ¶¼ºÀÌ ÀÖ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ¾î ±³Á¤Ä¡·á¸¦ ÇÏ´Â µ¿¾È Ä¡ÁÖÁ¶Á÷¿¡ ¼Õ»óÀ» ÀÏÀ¸Å³ ¼ö ÀÖ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº ÀÚ°¡ »êºÎ½Ä ÇÁ¶óÀ̸Ӱ¡ Ä¡ÁÖÁ¶Á÷¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» Æò°¡ÇØ º¸°í À̸¦ ÀüÅëÀûÀÎ Á¢Âø¹ý¿¡ »ç¿ëµÇ´Â ÇÁ¶óÀÌ¸Ó¿Í ºñ±³Çϱâ À§ÇÏ¿© ½ÃÇàµÇ¾ú´Ù. ½ÃÆíÀº ÀÓ»ó¿¡¼­ ºê¶óÄÏ Á¢Âø ½Ã »ç¿ëÇÏ´Â Transbond XT Adhesive (3M Unitek, Monrovia, CA, USA)¸¦ °¢°¢ Transbond XT Primer (3M Unitek, Monrovia, CA, USA), Clearfil SE bond (Kuraray, Osaka, Japan), Transbond Plus Self Etching Primer, Adper Prompt L-Pop (3M Unitek, Monrovia, CA, USA)°ú È¥ÇÕÇÑ ÈÄ ±¤ÁßÇÕÇÏ¿© Á¦ÀÛÇÏ¿´°í, Transbond XT Adhesive¸¦ ÁßÇÕÇÑ ´ëÁ¶±º°ú ºñ±³ÇÏ¿´´Ù. À̸¦ ¹è¾çµÈ HGF-1 (Human eingiva Fibroblast), HaCaT (Human Keratinocyte cell line), RHEK (immorialized Human Epidermal Keratinocyte)¿¡ ³ëÃâ½ÃŲ ÈÄ ¼¼Æ÷ÀÇ ÇüÅ º¯È­¸¦ °üÂûÇÏ¿´°í, MTT assay¸¦ ½ÃÇàÇÏ¿© ¼¼Æ÷µ¶¼ºÀ» ºñ±³, Æò°¡ÇÏ¿´´Ù. ½ÇÇè°á°ú 72½Ã°£ ÈÄ HGF-1, HaCaT, RHEK¸¦ ÀÌ¿ëÇÑ ½ÇÇè¿¡¼­ ¸ðµç ÇÁ¶óÀ̸ÓÀÇ ¼¼Æ÷µ¶¼ºÀÌ ³ô°Ô ³ªÅ¸³ª ¼¼Æ÷ µ¹±âÀÇ À§Ãà, ¼¼Æ÷ ÇüÅÂÀÇ º¯È­, ¼¼Æ÷ ¼öÀÇ °¨¼Ò, ¼¼Æ÷ÀÇ ±«»ç°¡ °üÂûµÇ¾ú´Ù. MTT assay ½ÇÇè ½Ã HGF-1 À» ÀÌ¿ëÇÑ ½ÇÇè¿¡¼­ Clearfil SE Bond, Transbond XT Primer, Transbond Plus SEP, Adper Prompt L-PopÀÇ ¼øÀ¸·Î ¼¼Æ÷µ¶¼ºÀÌ ³ô°Ô ³ªÅ¸³µ°í, HaCaT¸¦ ÀÌ¿ëÇÑ ½ÇÇè¿¡¼­ Cleafil SE Bond, Adper Prompt L-Pop, Transbond Plus SEP, Transbond XT Primer ¼øÀ¸·Î ¼¼Æ÷µ¶¼ºÀÌ ³ô°Ô ³ªÅ¸³µÀ¸¸ç, RHEK¸¦ ÀÌ¿ëÇÑ ½ÇÇè¿¡¼­ Clearfil SE Bond, Transbond XT Primer, Adper Prompt L-Pop, Transbond Plus SEP ¼øÀ¸·Î ¼¼Æ÷µ¶¼ºÀÌ ³ô°Ô ³ªÅ¸³µ´Ù. ÀÚ°¡ »êºÎ½ÄÇÁ¶óÀ̸Ӵ ÀüÅëÀûÀ¸·Î »ç¿ëµÇ´Â ÇÁ¶óÀÌ¸Ó¿Í ¸¶Âù°¡Áö·Î ¼¼Æ÷µ¶¼ºÀÌ À¯ÀÇÇÏ°Ô ³ôÀ¸¹Ç·Î ±¸°­³» »ç¿ë½Ã ÁÖÀÇ°¡ ÇÊ¿äÇÏ´Ù

Several ions and components are released from self-etching primers in the oral cavity. This may cause injury to the periodontal tissues throughout orthodontic treatment. The purpose of this study was to assess the cytotoxicity of self-etching primers to HGF-1, HaCaT, and RHEK cells.

Methods:Transbond XT Primer (3M Unitek, Monrovia, CA, USA), and self-etching primers, Clearfil SE Bond (Kuraray, Osaka, Japan), Transbond Plus SEP (3M Unitek, Monrovia, CA, USA), and Adper Prompt L-Pop (3M Unitek, Monrovia, CA, USA), were evaluated by MTT assay, and cellular changes were also observed.

Results:In all cells after 72 hours with all primers, severe morphological changes such as atrophy and necrosis were observed. In the MTT assay using HGF-1, Clearfil SE Bond, Transbond XT Primer, Transbond Plus SEP, and Adper Prompt L-Pop were lined up in order of ascending cytotoxicity When using HaCaT, Clearfil SE Bond, Adper Prompt L-Pop, Transbond Plus SEP, and Transbond XT Primer were lined up in order of ascending cytotoxicity. When using RHEK, Clearfil SE Bond, Transbond XT Primer, Adper Prompt L-Pop, and Transbond Plus SEP were lined up in order of ascending cytotoxicity.

Conclusion:The result of this study shows that care is needed because self-etching primers show cytotoxic properties similar to conventional primers.

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Cytotoxicity;Self-etching primer

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