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Minimum inhibitory concentration and minimum bactericidal concentration of antibacterial fluoride varnish

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¼ÕÁÖ¸® ( Son Ju-Lee ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú»ýüÀç·áÇб³½Ç
±è¾ÆÁø ( Kim Ah-Jin ) - ¼­¶ó¹ú´ëÇб³ Ä¡À§»ý°ú
¿À½ÂÇÑ ( Oh Seung-Han ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú»ýüÀç·áÇб³½Ç
¹èÁö¸í ( Bae Ji-Myung ) - ¿ø±¤´ëÇб³ Ä¡°ú´ëÇÐ Ä¡°ú»ýüÀç·áÇб³½Ç

Abstract

º» ¿¬±¸ÀÇ ¸ñÀûÀº Ç×±Õ¹°ÁúÀ» ºÒ¼Ò¹Ù´Ï½¬¿¡ ÷°¡ÇÔÀ¸·Î¼­ Streptococcus mutans ( S. mutans )¿¡ ´ëÇÑ Ç×±ÕÈ¿°ú¸¦ ´õ Áõ°¡½Ãų ¼ö ÀÖ´ÂÁö Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù. Bakuchiol (BAK), Bavachalcone (BCC), Isobavachromene (IBC), Bavachromene (BCM) 5°¡Áö ¹°Áú ÀÚü(1 mM, 10 mM), 5°¡Áö ¹°Áú¿¡ ¹Ù´Ï½¬¸¦ ÷°¡ÇÏ¿© ºñ±³ Æò°¡ÇÏ¿´´Ù. 1.1¡¿1010 CFU/mlÀÇ S. mutans ¸¦ »ç¿ëÇÏ¿© MIC, MBC Test ¸¦ ÁøÇàÇÏ¿´°í, MTT test¸¦ »ç¿ëÇÏ¿© ¼¼Æ÷µ¶¼º¿©ºÎ¸¦ Æò°¡ÇÏ¿´´Ù. Ç×±Õ¹°Áú ÀÚüÀÇ MIC, MBC test °á°ú MIC´Â BAK, BCC, IBC°¡ °¡Àå ³·¾ÒÀ¸¸ç(0.015 mM), MBC´Â BAK°¡ °¡Àå ³·¾Ò´Ù(0.031 mM). Ç×±Õ ¹°ÁúÀ» È¥ÇÕÇÑ ºÒ¼Ò¹Ù´Ï½¬¿¡¼­´Â BAKÀÇ MIC (0.031 mM)¿Í MBC (0.062 mM)°¡ °¡Àå ³·¾Ò´Ù. MTT test °á°ú Ç×±Õ¹°Áú ÀÚü¿¡¼­ 1 mM BCMÀº °¡Àå ³ôÀº ¼¼Æ÷È°¼ºµµ¸¦ º¸¿´´Ù(P<0.05). Ç×±Õ¹°Áú Áß S. mutans ¿¡ °¡Àå È¿°úÀûÀÎ BAK ¹°ÁúÀ» ºÒ¼Ò¹Ù´Ï½¬¿¡ Àû¿ëÇÏ¿© Ç×±Õ¼º ºÒ¼Ò ¹Ù´Ï½¬¸¦ °³¹ßÇÒ ¼ö ÀÖÀ» °ÍÀ̶ó »ç·áµÈ´Ù.

The aim of this study was to investigate the antibacterial effect of fluoride varnish with antibacterial agents on Streptococcus mutans ( S. mutans ). Experimental fluoride varnish (EFV) with 5% NaF was fabricated. Five antibacterial agents were tested with 1 mM and 10 mM concentrations, respectively: Bakuchiol (BAK), Bavachalcone (BCC), Isobavachromene (IBC), and Bavachromene (BCM). MIC and MBC test was performed by antibacterial agents with and without EFV using 1.1 ¡¿ 1010 CFU/ml of S. mutans. Cell viability test were performed using MTT test. Statistical analysis was done with ANOVA and Duncan¡¯s multiple range test at ¥á=0.05. In the antibacterial agents without EFV, the MIC of BAK, BCC, and IBC was the lowest (0.015 mM), and the MBC of BAK was the lowest (0.031 mM). For the antibacterial agents with EFV, the MIC (0.031 mM) and MBC (0.062 mM) of BAK was the lowest, respectively. In MTT test, 1 mM BCM showed the highest cell viability (P<0.05). This study suggest that BAK can be applied the fluoride varnish under the control of the concentration to develop antibacterial fluoride varnish.

Å°¿öµå

ºÒ¼Ò¹Ù´Ï½¬; Ç×±Õ¹°Áú; Streptococcus mutans; ÃÖ¼Ò¾ïÁ¦³óµµ; ÃÖ¼Ò»ì±Õ³óµµ; ¼¼Æ÷È°¼ºµµ
Fluoride varnish; antibacterial agent; Streptococcus mutans; MIC; MBC; MTT

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