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Study of Bacteria Associated with Dental Caries Using a 3 Tone Disclosing Agent

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ÀÌÁ¤Àº ( Lee Jeong-Eun ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾Æû¼Ò³âÄ¡°úÇб³½Ç
¹ÚÈ£¿ø ( Park Ho-Won ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾Æû¼Ò³âÄ¡°úÇб³½Ç
ÀÌÁÖÇö ( Lee Ju-Hyun ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾Æû¼Ò³âÄ¡°úÇб³½Ç
¼­Çö¿ì ( Seo Hyun-Woo ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¼Ò¾Æû¼Ò³âÄ¡°úÇб³½Ç
À̽ÿµ ( Lee Si-Young ) - °­¸ª¿øÁÖ´ëÇб³ Ä¡°ú´ëÇÐ ¹Ì»ý¹°Çб³½Ç

Abstract

º» ¿¬±¸´Â Ä¡ÅÂÀÇ ¼º¼÷µµ¿¡ µû¶ó ġŸ¦ ¼­·Î ´Ù¸¥ »ö»óÀ¸·Î ¿°»öÇÏ´Â GC Tri Plaque ID Gel¢â(GC corporation, Tokyo, Japan)À» ÀÌ¿ëÇÏ¿© Ä¡¾Æ ¿ì½Ä À§Çèµµ¸¦ Æò°¡ÇÏ°íÀÚ ÇÏ¿´´Ù. Ä¡¾Æ ¿ì½ÄÀÇ ¹ß»ý ¹× ÁøÇà°ú ¿¬°üµÈ ±ÕÀÎ Streptococcus mutans, Streptococcus sobrinus, Lactobacillus spp .ÀÇ ¼ö¸¦ Quantitative real-time polymerase chain reaction (qRT-PCR)·Î ÃøÁ¤ÇÏ¿© Ä¡¾Æ ¿ì½Ä À§Çèµµ¸¦ º¸¾Ò´Ù. º» ½ÇÇèÀº °­¸ª¿øÁÖ´ëÇб³ Ä¡°úº´¿ø ÀÓ»ó½ÃÇè ½É»çÀ§¿øȸÀÇ ½ÉÀǸ¦ ¹Þ°í ÁøÇàÇÏ¿´´Ù. °­¸ª¿øÁÖ´ëÇб³ Ä¡°úº´¿ø ¼Ò¾ÆÄ¡°ú¿¡ ³»¿øÇÑ Àü½ÅÁúȯÀÌ ¾ø´Â °Ç°­ÇÑ 9 - 12¼¼ÀÇ ÃʵîÇлý 15¸íÀÇ Ä¡¸éÀ» Âø»öÁ¦·Î ¿°»öÇÏ¿´´Ù. Ä¡ÅÂÀÇ ¼º¼÷µµ¿¡ µû¶ó ¼­·Î ´Ù¸¥ ¼¼°¡Áö »ö»óÀ¸·Î ¿°»öµÇ¾úÀ¸¸ç »ö»óº°·Î 3°³ÀÇ ½ÇÇ豺ÀÎ ¥°±º(pink/red), ¥±±º(blue/purple), ¥²±º(light blue)À¸·Î ³ª´©¾ú´Ù. 3°³ÀÇ ½ÇÇ豺¿¡¼­ °¢°¢ DNA¸¦ ÃßÃâÇÑ ÈÄ, qRT-PCRÀ» ÀÌ¿ëÇÏ¿© S. mutans, S. sobrinus, Lactobacillus spp .ÀÇ ¼ö¸¦ ÃøÁ¤ÇÏ¿´´Ù. 3°³ÀÇ ½ÇÇ豺 »çÀÌ¿¡ S. mutans, S. sobrinus ¿Í Lactobacillus spp . ±Õ ¼öÀÇ À¯ÀÇÇÑ Â÷ÀÌ°¡ °üÂûµÇ¾úÀ¸¸ç 3Á¾·ùÀÇ ±Õ ¸ðµÎ ¥²±º¿¡¼­ °¡Àå ¸¹ÀÌ °üÂûµÇ¾ú´Ù(p < 0.05). GC Tri Plaque ID Gel¢â´Â ±âÁ¸ Âø»öÁ¦¿Í´Â ´Þ¸® Ä¡ÅÂÀÇ ¼º¼÷µµ¿¡ µû¶ó ¼­·Î ´Ù¸¥ ¼¼°¡Áö »ö»óÀ¸·Î ¿°»öµÇ¸ç, Ä¡Å ¿°»ö »ö»óÀÇ Â÷ÀÌ´Â Ä¡¾Æ ¿ì½Ä °ü·Ã ±Õ ¼öÀÇ Â÷À̸¦ º¸¿©ÁÖ¾ú´Ù. GC Tri Plaque ID Gel¢âÀÌ Ä¡¾Æ ¿ì½Ä À§Çèµµ¸¦ Æò°¡ÇÏ´Â ÇϳªÀÇ ÁöÇ¥·Î¼­ »ç¿ëµÉ ¼ö ÀÖ´Â °¡´É¼ºÀ» È®ÀÎÇÏ¿´´Ù.

The aim of this study was to determine the efficacy of a 3 tone plaque disclosing gel in assessing the risk of caries related to the population of Streptococcus mutans , Streptococcus sobrinus , and Lactobacillus spp . quantified using a quantitative real-time polymerase chain reaction (qRT-PCR). 15 healthy children of ages 9 - 12 years were randomly examined. The 3 tone plaque disclosing gel was applied on teeth surfaces, which changed the color to pink or red, blue or purple and light blue. Plaque was divided into 3 groups based on staining. Genomic DNA from each sample was subjected to a qRT-PCR assay for quantitative detection of target bacteria. The Kruskal-Wallis test was conducted for correlation between the color of plaque and the number of bacterial species. The levels of S. mutans , S. sobrinus , and Lactobacillus spp . were significantly different in the plaque samples of the 3 groups (p < 0.05). The proportion of S. sobrinus to S. mutans showed correlation to the color of plaque. The different color-dyed plaque was related to the number of acidogenic bacteria. The 3 tone plaque disclosing gel could be used as one of the indicators to assess the clinical risk of caries associated with the population of S. mutans , S. sobrinus , and Lactobacillus spp.

Å°¿öµå

3 Tone disclosing agent; Dental plaque; Quantitative real-time polymerase chain reaction; Streptococcus mutans; Streptococcus sobrinus; Lactobacillus spp.

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