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Antibacterial Activity of NANOVER¢â Against Oral Malodor Generating Microorganisms 1. The Effect of Nanosilver on Growth of Oral Malodor Generating Microorganisms

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ÇãÀ±°æ ( Hur Yun-Kyung ) - °æºÏ´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­³»°úÇб³½Ç
ÀÌ»óÈç ( Lee Sang-Heun ) - °æºÏ´ëÇб³ ÀÇÇÐÀü¹®´ëÇпø À̺ñÀÎÈÄ°úÇб³½Ç

Abstract

º» ¿¬±¸´Â ±¸Ãë»ý¼ºÀÇ ÁÖ¿ä ¿øÀαտ¡ ´ëÇÑ nanosilverÀÇ Ç×±ÕÈ¿°ú¸¦ Á¶»çÇϱâ À§Çؼ­ ½ÃÇàµÇ¾úÀ¸¸ç, ÀÌ¿Í ´õºÒ¾î ÀÌµé ¼¼±ÕÀÇ Áõ½Ä Á¶°Çµµ ÇÔ²² ¿¬±¸ÇÏ¿´´Ù. Æ÷Ç×°ø°ú´ëÇб³ ³ª³ë±â¼ú¼¾ÅͷκÎÅÍ NANOVERTM, WA 1000 ÇöŹ¾×À» Á¦°ø ¹Þ¾Æ Èñ¼®ÇÏ¿© »ç¿ëÇÏ¿´À¸¸ç, °ø½Ã±ÕÀ¸·Î´Â ÁÖ¿ä ±¸Ãë»ý¼º±ÕÀ¸·Î ¾Ë·ÁÁø Fusobacterium nucleatum (KCTC 2640), Prevotella melaninogenica (KCTC 3689), Klebsiella pneumonia (KCTC 1560) 3Á¾ÀÇ ¼¼±Õ·ù¸¦ Çѱ¹»ý¸í°øÇבּ¸¿ø »ý¸íÀÚ¿ø¼¾ÅͷκÎÅÍ ±¸ÀÔÇÏ¿© »ç¿ëÇÏ¿´´Ù. °ø½Ã±ÕÀÇ ¹è¾ç¿¡ Çø±â¼º¼¼±Õ ¹è¾ç¿¡ ÀÌ¿ëµÇ´Â tryptone- yeast extract-ammonium acetate(TYA) ¹èÁö¿Í chopped beef meat(CBM) ¹èÁö¸¦ ÀÌ¿ëÇÏ¿´´Ù.

1. ÃÖÀû¹è¾çÁ¶°ÇÀ¸·Î °¨¾Ð¹è¾ç, CBM ¹èÁö°¡ Àû´çÇÑ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
2. °£±ÕÀÎ K. pneumonia¿¡ Nanover(5 ¹× 10 ppm)¸¦ ó¸®ÇÏ°í ÁÖ»çÇü ÀüÀÚÇö¹Ì°æÀ¸·Î ±ÕüÀÇ ÇüŸ¦ °üÂûÇÑ °á°ú´Â ¼¼±ÕÀÇ »ýÀåÁ¡ ºÎ±Ù¿¡¼­ ¼¼Æ÷º®¿¡ ¼Õ»óÀ» ÁÖ¾î ¼¼Æ÷º®À» Àý´ÜÇÏ¿© ´Ù·®ÀÇ ¸·»ó Æí¸°À» »ý¼ºÇÏ°í autolysinÀ» ºÒÈ°¼ºÈ­ ½ÃÄÑ filamentÇü ±Õü¸¦ Çü¼ºÇÏ¿© ±ÕÀÇ Áõ½ÄÀº ÀϽÃÀûÀ¸·Î ¾ïÁ¦½Ãų ¼ö ÀÖ¾úÀ¸³ª ¿ÏÀüÈ÷ »ç¸ê½ÃÅ°Áö´Â ¸øÇÏ¿´À¸¸ç, ±¸Ãë ¼¼±ÕÀ» ÀüÇô ´Ù¸¥ ÇüÅ·Πº¯È­½ÃÅ°´Â °ÍÀ¸·Î ³ªÅ¸³µ´Ù. ±×·¯³ª Ç×±ÕÁ¦·Î¼­ÀÇ ¿ªÇÒÀº °¡Áø °ÍÀ¸·Î È®ÀεǾú´Ù.

Recently there is much interest in the antibacterial activity of nano-sized silver particle (nanosilver) since silver is known to be safe and effective as disinfectant for a long time. Oral malodor is considered to originate in the oral cavity primarily as a result of production of malodorous compounds by oral bacteria. Major compounds responsible for oral malodor are volatile sulfur compounds, which is thought to be generated by the G(-) anaerobic bacteria found normally in the oral cavity, especially on the dorsum of the tongue.
The purposes of this study were to investigate the effect of nanosilver on growth of oral malodor generating microorganisms, including Fusobacterium nucleatum, Prevotella melaninogenica, Klebsiella pneumonia, and to determine the optimal culture condition of them.

The results were as follows:
1. The optimal culture condition for P. melaninogenica was vacuum culture using desiccator after evacuation of air by vacuum pump in chopped beef meat media.
2. The growth of K. pneumonia was temporarily inhibited by nanosilver (5 ppm and 10 ppm).
3. The morphological alteration and cell damage caused by nanosilver were observed in K. pneumonia.

Å°¿öµå

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Nasosilver;Oral malodor;G(-) anaerobic bacteria;Antibacterial effect

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