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Alteration of Anaerobic Bacteria and S. mutans Count in Oral Cavity after Occlusal Stabilization Appliance Use

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º¯Áø¼® ( Byun Jin-Seok ) - ÀüºÏ´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­³»°úÇб³½Ç
¼­ºÀÁ÷ ( Suh Bong-Jik ) - ÀüºÏ´ëÇб³ Ä¡°ú´ëÇÐ ±¸°­³»°úÇб³½Ç

Abstract

±³ÇÕ¾ÈÁ¤ÀåÄ¡´Â ÅΰüÀýÀå¾ÖÀÇ °ü¸®¸¦ À§ÇØ °¡Àå ¸¹ÀÌ ¼±ÅõǾîÁö´Â Ä¡·á¹æ¹ýÀÌ´Ù. ±³ÇÕ¾ÈÁ¤ÀåÄ¡´Â Ä¡·á¸ñÀûÀ» ´Þ¼ºÇϱâ À§ÇØ ±¸°­ ³»¿¡¼­ ¸ÅÀÏ ¼ö ½Ã°£¾¿ Âø¿ëÇϸç, ÀüüÀûÀÎ Ä¡·á±â°£Àº Àû°Ô´Â 6°³¿ù¿¡¼­ ±æ°Ô´Â 2³â °¡·®ÀÌ ¼Ò¿äµÈ´Ù. ±¸°­ ³»¿¡¼­ ±³ÇÕ¾ÈÁ¤ÀåÄ¡´Â Ʋ´Ï³ª °íÁ¤½Ä ±³Á¤ÀåÄ¡ÀÇ °æ¿ìó·³ ÀǵµÇÏÁö ¾Ê°Ô Ÿ¾×À̳ª »ê¼Ò·ÎºÎÅÍ ¼¼±ÕÀ» º¸È£ÇÏ°í, ¼¼±ÕÀÇ ÀúÀå°í·Î¼­ ¿ªÇÒÀ» ¼öÇàÇÒ ¼ö ÀÖ´Â °¡´É¼ºÀÌ ÀÖ´Ù. ÀÌ·± Á¶°ÇÀº ÀϹÝÀûÀ¸·Î Ä¡ÁÖÁúȯ°ú ±¸Ã븦 À¯¹ßÇÏ´Â ÁÖ¿ä ¿øÀαÕÀÎ Çø±â¼º ¼¼±Õ°ú Ä¡¾Æ¿ì½Ä¿¡ Áß¿äÇÑ ¿ªÇÒÀ» ÇÏ´Â S. mutansÀÇ ¼­½Ä¿¡ ¿ëÀÌÇÑ È¯°æÀ» Á¦°øÇÏ°Ô µÇ¾î ±³ÇÕ¾ÈÁ¤ÀåÄ¡À» »ç¿ëÇÏ°Ô µÇ¸é¼­ ¹ß»ýµÇ´Â ³ª»Û ¸ÀÀ̳ª Ä¡ÁÖÁúȯ, Ä¡Å Çü¼º ¹× Ä¡¾Æ¿ì½ÄÀÇ ¿øÀοä¼Ò°¡ µÉ ¼ö ÀÖ´Ù.
ÀÌ ½ÇÇè¿¡¼­´Â ±³ÇÕ¾ÈÁ¤ÀåÄ¡ »ç¿ë ÀüÈÄ ±¸°­ ³» ƯÁ¤ Ä¡¾Æ¿¡¼­ Çø±â¼º ¼¼±Õ°ú S. mutans ¼öÀÇ º¯È­¸¦ ºñ±³ÇÔÀ¸·Î½á ±³ÇÕ ¾ÈÁ¤ÀåÄ¡°¡ ÀÌµé ¼¼±Õ ¼ö Áõ°¡¿¡ ¾î¶°ÇÑ ¿µÇâÀ» ³¢Ä¡¸ç, ±×°ÍÀÌ ÀÓ»óÀûÀ¸·Î ¾î¶² Àǹ̸¦ °¡Áö´ÂÁö¿¡ ´ëÇØ ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù. ÃÑ 4¸íÀÇ ³²¼º(Æò±Õ³ªÀÌ 27.5 ¼¼)ÀÌ Âü¿©ÇÏ¿´°í, ÇÏ·ç 9½Ã°£¾¿ »ó¾Ç±³ÇÕ¾ÈÁ¤ÀåÄ¡¸¦ Ãëħ½Ã°£ µ¿¾È¿¡¸¸ »ç¿ëÇÏ¿´À¸¸ç, ÃÑ 5ÀÏ °£ ÁøÇàÇÏ¿´´Ù. 5ÀÏ ÈÄ ±³ÇÕ¾ÈÁ¤ÀåÄ¡¸¦ Á¦°ÅÇÑ ±¸°­¿¡¼­ »ó¾ÇÁÂÃøÁ¦2´ë±¸Ä¡, »ó¾ÇÁÂÃøÁßÀýÄ¡, ÇϾÇÁÂÃøÁ¦2´ë±¸Ä¡¸¦ °¢°¢ ¼±ÅÃÇÏ¿© Ä¡ÅÂ¿Í Å¸¾×ÀÌ È¥ÀçµÈ »ùÇÃÀ» Á¤ÇØÁø ±Ô°ÝÀ¸·Î äÃëÇÏ¿´´Ù. °¢°¢ÀÇ »ùÇÃÀº Çø±â¼º ¼¼±Õ ¹è¾çÀ» À§ÇÑ Ç÷¾×ÇÑ Ãµ¹èÁö¿Í S. mutans ¼±ÅùèÁö¿¡ °¢°¢ 100§¡¾¿ µµ¸»ÇÏ¿© 37¡É 10% CO©ü Á¶°ÇÀ¸·Î 3ÀÏ °£ Çø±â ¹è¾çÇÏ¿´´Ù. °¢°¢ÀÇ ¹èÁö¿¡¼­ ¹è¾çµÈ ¼¼±ÕÀ» Áý¶ôÇü¼º´ÜÀ§(CFU) ±âÁØÀ¸·Î À°¾ÈÀ¸·Î ¼¼¾î ÃÖÁ¾ÀûÀ¸·Î CFU/§¢·Î ȯ»êÇØ ±â·ÏÇÏ¿´´Ù.
¾ò¾îÁø ÀڷḦ ÅëÇØ ´ÙÀ½°ú °°Àº °á·ÐÀ» ³»·È´Ù.
1. ±³ÇÕ¾ÈÁ¤ÀåÄ¡ »ç¿ë¿¡ µû¶ó ±¸°­ ³» Çø±â¼º ¼¼±Õ ¼ö¿Í S. mutans ¼öÀÇ º¯È­°¡ »ý°å´Ù.
2. Çø±â¼º ¼¼±ÕÀÇ °æ¿ì ±³ÇÕ¾ÈÁ¤ÀåÄ¡ »ç¿ë¿¡ µû¶ó »ó¾ÇÁ¦2´ë±¸Ä¡(P=0.003)¿Í »ó¾ÇÁßÀýÄ¡(P=0.020)¿¡¼­ ¸ðµÎ ±× ¼ö°¡ À¯ÀÇÇÏ°Ô Áõ°¡ÇÏ¿´´Ù.
3. ±³ÇÕ¾ÈÁ¤ÀåÄ¡ÀÇ ÀåÂøÀº Á÷Á¢ ÇÇ°³µÇÁö ¾ÊÀº ´ëÇÕÄ¡¾ÆÀÇ Çø±â¼º ¼¼±Õ ¼ö Áõ°¡¿¡µµ °£Á¢ÀûÀÎ ¿µÇâÀ» ³¢ÃÆ´Ù.
4. S. mutansÀÇ °æ¿ì ±³ÇÕ¾ÈÁ¤ÀåÄ¡ »ç¿ë¿¡ µû¶ó »ó¾ÇÁ¦2´ë±¸Ä¡(P=0.043)¿Í »ó¾ÇÁßÀýÄ¡(P=0.049)¿¡¼­ ¸ðµÎ ±× ¼ö°¡ À¯ÀÇÇÏ°Ô Áõ°¡ÇÏ¿´´Ù.
5. ±³ÇÕ¾ÈÁ¤ÀåÄ¡ÀÇ ÀåÂøÀº Á÷Á¢ ÇÇ°³µÇÁö ¾ÊÀº ´ëÇÕÄ¡¾ÆÀÇ S. mutans ¼ö¿¡ ¾î¶² ¿µÇâµµ ³¢Ä¡Áö ¾Ê¾Ò´Ù.

Occlusal stabilization appliance is one of the most common treatment option for management of temporomandibular disorders. It acts in oral cavity for several hours per day, and usually it will take at least 6 months to 2 years of total wearing periods to take a treatment goal. In the oral cavity, occlusal stabilization appliance, unintentional manner, is able to acts as a reservoir of bacteria and protect bacteria from saliva and oxygen. This condition is so favorable to many bacteria such as S. mutans and other anaerobes, usually have been reported as causative factors of dental caries, periodontal disease and oral malodor.
In this study, we investigated anaerobic bacteria and S. mutans count before and after occlusal stabilization appliance use to evaluate the possible role of occlusal stabilization appliance as protector of these bacteria. Four men(average 27.5 years) wore maxillary occlusal stabilization appliance at each night(average 9 hours) for 5 days. we swabbed saliva-plaque mixed sample at 3 different site(maxillary left 2nd molar, maxillary left central incisor, mandibular left 2nd molar) before and after occlusal stabilization appliance use. Each samples were plated in ¨ç anaerobic blood agar medium, ¨è selective S. mutans medium(MS-MUTV) and incubated in anaerobic chamber(CO©÷ 10%, 37¡É) for 72 hours. Each bacterial colony forming unit(CFU) were counted with naked eyes.
From obtained data, we can conclude as follows:
1. There was some changes about anaerobic bacteria and S. mutans count in oral cavity after occlusal stabilization appliance use.
2. The number of anaerobic bacteria was significantly increased at maxillary 2nd molar(P=0.003), maxillary central incisor(P=0.020) after occlusal stabilization appliance use compared with before.
3. Occlusal stabilization appliance use itself had indirect effect to increase the number of anaerobic bacteria at other uncovered opponent tooth site.
4. The number of S. mutans was significantly increased at maxillary 2nd molar(P=0.043), maxillary central incisor (P=0.049) after occlusal stabilization appliance use compared with before.
5. Occlusal stabilization appliance use itself had not any effect on the number of S. mutans at other uncovered opponent tooth site.

Å°¿öµå

±³ÇÕ¾ÈÁ¤ÀåÄ¡;Çø±â¼º ¼¼±Õ;S. mutans;Áý¶ôÇü¼º´ÜÀ§(CFU)
Occlusal stabilization appliance;Anaerobic bacteria;Colony forming unit

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