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Streptococcus mutans¿¡ ´ëÇÑ Å¬·Î¸£Çí½Ãµò°ú Erythrosine ±¤¿ªµ¿ Ä¡·áÀÇ »ó½ÂÈ¿°ú

Enhancement of Erythrosine Photodynamic Therapy against Streptococcus mutans by Chlorhexidine

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¹ÚÁ¾Ã¶ ( Park Jong-cheol ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
¹ÚÈ£¿ø ( Park Ho-Won ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾ÆÄ¡°úÇб³½Ç
À̽ÿµ ( Lee Si-Young ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¹Ì»ý¹°ÇÐ ¹× ¸é¿ªÇб³½Ç

Abstract

ÀÌ ¿¬±¸ÀÇ ¸ñÀûÀº Ä¡°ú ÀÓ»ó¿¡¼­ ³Î¸® »ç¿ëµÇ´Â Ç׹̻ý¹°Á¦Á¦ÀΠŬ·Î¸£Çí½Ãµò°ú ÇҷΰÕÀ» ÀÌ¿ëÇÑ erythrosine ±¤¿ªµ¿ Ä¡·á¸¦ º´¿ëÇÏ¿´À» ¶§, ºÎÀ¯ »óÅÂÀÇ Streptococcus mutans¿¡ ¹ÌÄ¡´Â Ç×±ÕÈ¿°ú¸¦ Æò°¡Çϱâ À§ÇÔÀÌ´Ù. S. mutans Ç¥ÁØ ±ÕÁÖ¸¦ Brain Heart Infusion broth medium¿¡ ÷°¡ÇÏ¿© ºÎÀ¯ »óÅ·Π¹è¾çÇÏ¿´´Ù. Ä¡°ú¿ë ÇÒ·Î°Õ ±¤ÁßÇÕ ÀåÄ¡¸¦ ±¤¿øÀ¸·Î »ç¿ëÇÏ¿´À¸¸ç Ä¡Å Âø»öÁ¦ÀÎ erythrosineÀ» ±¤°¨°¢Á¦·Î »ç¿ëÇÏ¿´´Ù. Ŭ·Î¸£Çí½ÃµòÀÇ ÃÖ¼Ò»ì±Õ³óµµ¸¦ ÃøÁ¤ÇÏ°í, erythrosine ±¤¿ªµ¿ Ä¡·á¿¡¼­ ÃÖ¼Ò»ì±Õ³óµµ¸¦ °áÁ¤Çϱâ À§ÇØ , , ÀÇ erythrosine ³óµµ¸¦ »ç¿ëÇÏ¿© ÇÒ·Î°Õ ±¤ÁßÇÕ±â·Î 15ÃÊ µ¿¾È ±¤Á¶»ç¸¦ ½ÃÇàÇÑ ÈÄ ¼¼±Õ¼ö¸¦ ÃøÁ¤ÇÏ¿´´Ù. ¸¶Áö¸·À¸·Î Ŭ·Î¸£Çí½Ãµò°ú erythrosine ±¤¿ªµ¿ Ä¡·á¸¦ º´¿ëÇÑ °æ¿ì ³ªÅ¸³ª´Â »ó½ÂÈ¿°ú¸¦ Æò°¡Çϱâ À§ÇØ, ÃÖ¼Ò»ì±Õ³óµµ ÀÌÇÏÀÎ 0.001% Ŭ·Î¸£Çí½Ãµò°ú ÃÖ¼Ò»ì±Õ³óµµ ÀÌÇÏÀÎ erythrosine ±¤¿ªµ¿ Ä¡·á¸¦ º´¿ëÇÏ¿© Ç×±ÕÈ¿°ú¸¦ ºñ±³ÇÏ¿´´Ù. ÃÖ¼Ò»ì±Õ³óµµ ÀÌÇÏÀÇ Å¬·Î¸£Çí½Ãµò¸¸ ´Üµ¶À¸·Î »ç¿ëÇÏ´Â °æ¿ì S. mutansÀÇ ¼¼±Õ¼ö°¡ À¯ÀÇÇÏ°Ô °¨¼ÒÇÏÁö ¾Ê¾Ò´Ù(p < 0.05). ¶ÇÇÑ erythrosine ±¤¿ªµ¿ Ä¡·á¸¸ ´Üµ¶À¸·Î ½ÃÇàÇÑ °æ¿ì¿¡´Â , ÀÇ erythrosine ³óµµ¿¡¼­ À¯ÀÇÇÏ°Ô ¼¼±Õ¼ö°¡ °¨¼ÒÇÏ¿´Áö¸¸, erythrosine ³óµµ¿¡¼­´Â ¼¼±Õ¼ö°¡ À¯ÀÇÇÏ°Ô °¨¼ÒÇÏÁö ¾Ê¾Ò´Ù(p < 0.05). ¸¶Áö¸·À¸·Î µÎ °¡Áö Ä¡·á¹ýÀÇ »ó½ÂÈ¿°ú¸¦ Æò°¡Çϱâ À§ÇØ ÃÖ¼Ò»ì±Õ³óµµ ÀÌÇÏÀÎ erythrosine ±¤¿ªµ¿ Ä¡·á¿Í 0.001% Ŭ·Î¸£Çí½ÃµòÀ» º´¿ëÇÏ´Â °æ¿ì¿¡´Â, ´ëÁ¶±º°ú ºñ±³ÇÏ¿© ¼¼±Õ¼ö°¡ À¯ÀÇÇÏ°Ô °¨¼ÒÇÏ¿´´Ù(p < 0.05). ÃÖ¼Ò»ì±Õ³óµµ ÀÌÇÏÀÎ 0.001% Ŭ·Î¸£Çí½Ãµò°ú erythrosine ±¤¿ªµ¿ Ä¡·á¸¦ °¢°¢ ´Üµ¶À¸·Î ½ÃÇàÇÏ´Â °æ¿ì¿¡´Â À¯ÀÇÇÑ Ç×±ÕÈ¿°ú°¡ ¾ø¾úÁö¸¸, µÎ °¡Áö Ä¡·á¸¦ º´¿ëÇÏ´Â °æ¿ì 61%ÀÇ S. mutans ¼¼±Õ¼ö°¡ °¨¼ÒÇÏ¿´´Ù. ÀÌ»óÀÇ °á°ú¸¦ Á¾ÇÕÇØ º¼¶§ S. mutans¿¡ ´ëÇØ ÃÖ¼Ò»ì±Õ³óµµ ÀÌÇÏÀÇ Å¬·Î¸£Çí½Ãµò°ú erythrosine ±¤¿ªµ¿ Ä¡·á¸¦ º´¿ëÇÏ´Â °æ¿ì »ó½ÂÈ¿°ú°¡ ÀÖÀ½À» ¾Ë ¼ö ÀÖ´Ù.

The purpose of this study was to investigate the synergistic effects of erythrosine sensitized with a conventional halogen curing unit and sub-minimal bactericidal concentration(sub-MBC) of chorhexidine on bacterial viability of Streptococcus mutans in planktonic state. Sub-minimal bactericidal concentration of chlorhexidine was added into wells containing bacteria and erythrosine. The range of concentrations tested for chorhexidine was from 0.0000001% to 0.001%. The irradiation of the bacterial suspensions was performed for 15 sec with a conventional halogen curing unit light. In another set of experiment, the effects of 0.001% chlorhexidine were observed by adding chlorhexidine into wells containing the sub-minimal bactericidal concentration of erythrosine. At the concetration of 0.001% chlorhexidine, there were no antibacterial effects in the absence of erythrosine PDT(p < 0.05). At the concentraton of erythrosine, there was no photodynamic therapy effect in the absence of chlorhexidine(p < 0.05). But in the presence of sub-minimal bactericidal concentration of erythrosine with light exposure, the addition of 0.001% chlorhexidine increased the bactericidal rate(p < 0.05). A combination of erythrosine PDT with sub-MBC chlorhexidine resulted in a significant reduction in bacterial counts when compared to the case with the absence of chlorhexidine.

Å°¿öµå

±¤¿ªµ¿ Ä¡·á; ÇҷΰÕ; Ŭ·Î¸£Çí½Ãµò
Photodynamic therapy; Erythrosine; Halogen; Streptococcus mutans; Chlorhexidine

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