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In vitro cytotoxicity of four kinds orthodontic band cements

Korean Journal of Orthodontics 2004³â 34±Ç 4È£ p.351 ~ 362
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Abstract

°íÁ¤½Ä ±³Á¤ Ä¡·á½Ã ±³Á¤¿ë ¹êµå°¡ ÀåÂøµÈ Ä¡¾ÆÀÇ Ä¡ÁÖÁ¶Á÷ ¼Õ»óÀº Á¢ÂøµÈ Ä¡¾Æ¿¡¼­ º¸´Ù ÀÚÁÖ ¹ß»ýÇÑ´Ù. ÀÏ¹Ý Ä¡°úÄ¡·á¿¡ »ç¿ëµÇ´Â ½Ã¸àÆ®´Â ¼¼Æ÷µ¶¼ºÀ» Áö´Ñ °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖÀ¸¹Ç·Î Ä¡ÁÖÁ¶Á÷°ú Á÷Á¢ Á¢ÃËÇϰųª ±¸°­ ³»¿¡¼­ ¹êµå½Ã¸àÆ®ÀÇ ¼ººÐµéÀÌ ¿ëÃâµÇ´Â ±³Á¤¿ë ¹êµå ½Ã¸àÆ®´Â Ä¡ÁÖÁ¶Á÷ÀÇ ¼Õ»óÀ» ÀÏÀ¸Å°´Â ¿øÀÎÀÌ µÉ ¼ö ÀÖ´Ù. ±×·¯¹Ç·Î ±³Á¤¿ë¹êµå ½Ã¸àÆ®ÀÇ »ýü ģȭ¼ºÀº Àç·áÀÇ ¹°¼º°ú ÇÔ²² Áß¿äÇÏ°Ô °í·ÁµÇ¾î¾ß ÇÒ »çÇ×ÀÌ´Ù.
ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº ±³Á¤¿ë ¹êµå ½Ã¸àÆ®ÀÇ ¼¼Æ÷µ¶¼ºÀ» Æò°¡ÇÏ´Â °ÍÀ¸·Î ÇöÀç ÀÓ»ó¿¡¼­ ³Î¸® »ç¿ëµÇ°í ÀÖ´Â zinc phosphate cement (ZPC), glass ionomer (GI), resin modified glass ionomer (RMGI), compomerÀÇ »ýü ģȭ¼ºÀ» Æò°¡Çϱâ À§ÇØ human gingiva fibroblast¸¦ ¹è¾çÇÏ°í ÀÌ ¼¼Æ÷¿¡ ´ëÇÑ ¼¼Æ÷¼ö »êÁ¤ ¹× ¼¼Æ÷ ÇüÅ°üÂû, MTT(3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay, ÇÑõÁßÃþ½ÃÇè µîÀÇ ¼¼Æ÷µ¶¼º °Ë»ç¸¦ ½ÃÇàÇÏ¿© ´ÙÀ½°ú °°Àº °á°ú¸¦ ¾ò¾ú´Ù.
1. ¼¼Æ÷¼ö »êÁ¤ ¹× ÇüÅ°üÂû ½ÃÇè¿¡¼­ GI £¾ ZPC, RMGI, RMGI24, GI24 £¾ compomer24, ZPC24, compomer ¼øÀ¸·Î ¼¼Æ÷µ¶¼ºÀÌ ³ô°Ô ³ªÅ¸³µ´Ù.
2. MTT assay ¿¡¼­´Â GI £¾ ZPC, RMGI £¾ GI24 £¾ ZPC24, compomer, RMGI24, compomer24 ¼øÀ¸·Î ¼¼Æ÷µ¶¼ºÀÌ ³ô°Ô ³ªÅ¸³µ´Ù.
3. ÇÑõÁßÃþ½ÃÇè¿¡¼­´Â GI £¾ GI24, ZPC, ZPC24, RMGI £¾ RMGI24, compomer, compomer24 ¼øÀ¸·Î ¼¼Æ÷µ¶¼ºÀÌ ³ô°Ô ³ªÅ¸³µ´Ù.

Orthodontic band cements are widely used in the fields of orthodontics, but they are commonly known as cytotoxic material. Within an oral cavity several ions and components are released from orthodontic band cements, thus causing inflammation or injury to the periodontal tissue. Therefore, it is very important to estimate the biocompatibility of orthodontic band cements.
The purpose of this study was to assess the cytotoxic effect of orthodontic band cements to HGF cells. A zinc phosphate cement, a glass ionomer, a resin modified glass ionomer, and compomer were used to evaluate three cytotoxicity assays: cell proliferation assay, MTT assay, and agar ovelay assay.
The results were as follows:
1. In the cell proliferation assay, GI £¾ ZPC, RMGI, RMGI24, GI24 £¾ compomer24, ZPC24, compomer> metal ring lined up in order of cytotoxicity.
2. In the MTT assay, GI £¾ ZPC, RMGI £¾ GI24> ZPC24, compomer, metal ring, RMGI24, compomer24 lined up in order of cytotoxicity.
3. In the agar overlay test, GI > GI24, ZPC, ZPC24, RMGI £¾ RMGI24, compomer, compomer24, metal ring lined up in order of cytotoxicity.

Å°¿öµå

¼¼Æ÷µ¶¼º;±³Á¤¿ë ¹êµå ½Ã¸àÆ®;Cytotoxicity;Orthodontics band cement;Compomer

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