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´Ù¾çÇÑ ±³Á¤¿ë ºê¶óÄÏ ¿øÀç·á¿¡ ºÎÂøÇÏ´Â mutans streptococci ¾çÀÇ ºñ±³ºÐ¼®

Quantitative analysis of mutans streptococci adhesion to various orthodontic bracket materials in vivo

Korean Journal of Orthodontics 2009³â 39±Ç 2È£ p.105 ~ 111
À¯Áø°æ, ¾È¼®ÁØ, À̽ÅÀç, À念ÀÏ,
¼Ò¼Ó »ó¼¼Á¤º¸
À¯Áø°æ ( Yu Jin-Kyoung ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø
¾È¼®ÁØ ( Ahn Sug-Joon ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø
À̽ÅÀç ( Lee Shin-Jae ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø
À念ÀÏ ( Chang Young-Il ) - ¼­¿ï´ëÇб³ Ä¡ÀÇÇдëÇпø Ä¡°ú±³Á¤Çб³½Ç

Abstract

¹ý¶ûÁú Żȸ´Â ±³Á¤ Ä¡·á Áß¿¡ ¹ß»ýÇÏ´Â ´ëÇ¥ÀûÀÎ ºÎÀÛ¿ëÀ¸·Î¼­ ƯÈ÷ ±³Á¤¿ë ºê¶óÄÏ¿¡ ´ëÇÑ ¼¼±Õ ºÎÂøÀÌ ±× ¿øÀÎÀÌ µÉ ¼ö ÀÖ´Ù. º» ¿¬±¸ÀÇ ¸ñÀûÀº ¼­·Î ´Ù¸¥ Ç¥¸é Ư¼ºÀ» °¡Áø ¼¼ Á¾·ùÀÇ ºê¶óÄÏÀ» ±¸°­ ³» ÀåÂøÇßÀ» ¶§ °¢ Àç·áÀÇ Ç¥¸é¿¡ ´ëÇÑ mutans streptococci ºÎÂø Á¤µµ¸¦ ÃøÁ¤ÇÏ¿© ºê¶óÄÏ Àç·á¿¡ µû¸¥ ¹ý¶ûÁú Żȸ ¹× Ä¡¾Æ ¿ì½Ä ¹ß»ý °¡´É¼ºÀ» ºÐ¼®ÇÏ´Â °ÍÀ̾ú´Ù. »óÇÏ¾Ç ¹× Ä¡¾Æ ºÎÀ§º° mutans streptococci ºÎÂø Á¤µµÀÇ Â÷À̸¦ ¹èÁ¦ÇÏ°í ºê¶óÄÏ ¿øÀç·á¿¡ µû¸¥ Â÷À̸¸À» °ËÃâÇϱâ À§ÇÏ¿© ±ÕÇü¿ÏÀüºí·Ï ½ÇÇè°èȹÀ» ¼³°èÇÏ¿´´Ù. ÇǽÇÇèÀÚÀÎ 30¼¼ ¿©¼ºÀÇ ±¸°­ ³»¿¡ ÀåÂøÇÒ ¼ö ÀÖ´Â tooth positioner ÇüÅ·Π3¼¼Æ®ÀÇ Çöó½ºÆ½ ¸ÂÃã Æ®·¹À̸¦ Á¦ÀÛÇÏ¿´À¸¸ç, ÀÌ Æ®·¹ÀÌ¿¡ Á÷À°¸éüÀÇ ÇüÅÂ(4 x 3 x 2 mm)·Î Á¦ÀÛÇÑ stainless steel, monocrystalline sapphire, polycrystalline alumina Á¶°¢À» ¼¼Æ®¸¶´Ù ¼­·Î ´Ù¸¥ ¼ø¼­·Î ÀüÄ¡ºÎ¿Í ±¸Ä¡ºÎ ¼ø¸é¿¡ ºÎÂøÇÏ¿´´Ù. ÀÌ·¸°Ô Á¦ÀÛµÈ 3Á¾·ùÀÇ ½ÇÇèÀåÄ¡¸¦ 12½Ã°£ µ¿¾È ÇǽÇÇèÀÚÀÇ ±¸°­ ³»¿¡ ÀåÂøÇÑ ÈÄ, °¢ ºê¶óÄÏ Àç·á Ç¥¸é¿¡ Çü¼ºµÈ ġŸ¦ äÃëÇÏ¿© bacitracinÀÌ Æ÷ÇÔµÈ mitis salivarius¹èÁö¿¡¼­ 48½Ã°£ ¹è¾ç ÈÄ colony countingÀ» ÅëÇØ ±× Ç¥¸é¿¡ ºÎÂøµÈ mutans streptococci ¾çÀ» ºñ±³ÇÏ¿´´Ù. ÀÌ¿Í °°Àº ¹æ¹ýÀ¸·Î 3¼¼Æ®ÀÇ ½ÇÇèÀåÄ¡¿¡ ´ëÇؼ­ °¢°¢ 5ȸ¾¿ ÃÑ 15ȸÀÇ ½ÇÇèÀ» ½ÃÇàÇÏ¿´´Ù. ±× °á°ú »óÇÏ¾Ç ¹× Ä¡¾Æ ºÎÀ§º° ¹× ºê¶óÄÏ Àç·áº° ¼¼±Õ ºÎÂø Á¤µµ´Â ¸ðµÎ À¯ÀÇÇÑ Â÷À̸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù. °á·ÐÀûÀ¸·Î º» ¿¬±¸ÀÇ °á°ú in vivo condition¿¡¼­ ºê¶óÄÏ Àç·áÀÇ Â÷ÀÌ´Â mutans streptococci ºÎÂø¿¡ ¿µÇâÀ» ¹ÌÄ¡Áö ¸øÇÏ´Â °ÍÀ¸·Î º¸¿´´Ù.

Objective: To estimate the effects of bracket material type on enamel decalcification during orthodontic treatment, this study analyzed the adhesion level of mutans streptococci (MS) to orthodontic bracket materials in vivo.

Methods: Three different types of orthodontic bracket materials were used: stainless steel, monocrystalline sapphire, and polycrystalline alumina. A balanced complete block design was used to exclude the effect of positional variation of bracket materials in the oral cavity. Three types of plastic individual trays were made and one subject placed the tray in the mouth for 12 hours. Then, the attached bacteria were isolated and incubated on a mitis salivarius media containing bacitracin for 48 hours. Finally, the number of colony forming units of MS was counted. The experiments were independently performed 5 times with each of the 3 trays, resulting in a total of 15 times. Mixed model ANOVA was used to compare the adhesion amount of MS.

Results: There was no difference in colony forming units among the bracket materials irrespective of jaw and tooth position.

Conclusions: This study suggested that the result of quantitative analysis of MS adhesion to various orthodontic bracket materials in vivo may differ from that of the condition in vitro.

Å°¿öµå

ºê¶óÄÏ;Mutans streptococci;¼¼±Õ ºÎÂø;»ýü ½ÇÇè
Orthodontic bracket;Mutans streptococci;Bacterial adhesion;in vivo experiment

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