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PERIODONTOPATHIC BACTERIA IN DOWN¡¯S SYNDROME

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Abstract

´Ù¿îÁõÈıº ȯÀÚ´Â Ä¡ÁÖÁúȯÀÇ ÁøÇàÀÌ ºü¸£°í Ä¡ÁÖÁ¶Á÷ÀÇ Æı«°¡ ½ÉÇÏ´Ù. ´Ù¿îÁõÈıº ȯÀÚÀÇ Ä¡ÁÖÁúȯ ¿øÀαÕÀÇ ÃâÇöÀ²À» ¾Ë¾Æº¸°íÀÚ 7~19¼¼ ´Ù¿îÁõÈıº ȯÀÚ 27¸í°ú ´ëÁ¶±ºÀ¸·Î ³ªÀÌ°¡ ºñ½ÁÇÑ Á¤½ÅÁöüÀÚ 27¸íÀ» ´ë»óÀ¸·Î Ä¡ÅÂÁö¼ö¿Í Ä¡Àº¿° Á¤µµ¸¦ ³ªÅ¸³»´Â Ä¡ÀºÁö¼ö¸¦ ÃøÁ¤ÇÏ°í Ä¡Àº¿¬ÇÏ Ä¡Å¿¡ Á¸ÀçÇÏ´Â P. gingivalis, T. forsythia, T. denticola, F. nucleatum, A. actinomycetemcomitans±ÕÀ» ÁßÇÕÈ¿¼Ò¿¬¼â¹ÝÀÀÀ» ÀÌ¿ë, °Ë»çÇÏ°í ´ÙÀ½°ú °°Àº °á·ÐÀ» ¾ò¾ú´Ù.

1. ´Ù¿îÁõÈıº ȯÀÚ¿Í ´ëÁ¶±ºÀÇ Ä¡ÅÂÁö¼ö¿Í Ä¡ÀºÁö¼ö°£¿¡ Åë°èÀû À¯ÀǼºÀº ¾ø¾ú´Ù(p>0.05).

2. ´Ù¿îÁõÈıº ȯÀÚ¿¡¼­ F. nucleatumÀÇ ÃâÇöÀ²ÀÌ 96.3%·Î °¡Àå ³ô¾ÒÀ¸¸ç ±× ´ÙÀ½ÀÌ T. forsythia 74.1%, P. gingivalis´Â 63.0%¿´À¸¸ç A. actinomycetemcomitans´Â 55.6%, T. denticola´Â 40.7%·Î ÃâÇöÇÏ¿´´Ù. Á¤½ÅÁöüÀÚ´Â ´Ù¿îÁõÈıº ȯÀÚ¿Í ºñ½ÁÇÑ ¼ø¼­·Î Ä¡ÁÖÁúȯ ¿øÀαÕÀÌ ÃâÇöÇÏ¿´´Ù. ´Ù¿îÁõÈıº ȯÀÚ°¡ ´ëÁ¶±º¿¡ ºñÇØ T. denticola¸¦ Á¦¿ÜÇÑ 4Á¾ÀÇ ±Õ¿¡¼­ ³õÀº ºñÀ²·Î ³ªÅ¸³µÀ¸³ª Ä¡ÁÖÁúȯ ¿øÀÎ±Õ ÃâÇöÀ²¿¡¼­ À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³»Áö ¾Ê¾Ò´Ù(p>0.05).

3. ¿¬·É¿¡ µû¸¥ ¿¬±¸¿¡¼­ 7~10¼¼±º¿¡¼­ ´Ù¿îÁõÈıºÈ¯ÀÚÀÇ P. gingivalis´Â 16.7%·Î ³·Àº ÃâÇöÀ²À» º¸¿´À¸³ª ¿¬·ÉÀÇ Áõ°¡¿¡ µû¶ó ÃâÇöÀ²ÀÌ Æò±Õ 63.0%·Î ³ô¾ÆÁ³´Ù. ¹Ý¸é A. actinomycetemcomitans±ÕÀº 7~10¼¼±ººÎÅÍ 83.3%·Î ³ôÀº ºñÀ²À» º¸¿´´Ù(p<0.05). °°Àº ¿¬·É´ë¿¡¼­ ´Ù¿îÁõÈıº ȯÀÚ´Â ´ëÁ¶±º¿¡ ºñÇØ Ä¡ÁÖÁúȯ ¿øÀαÕÀÇ ÃâÇöÀ²ÀÌ ´õ ³ôÀº °æÇâÀ» º¸¿´À¸³ª A. actinomycetemcomitans¸¦ Á¦¿ÜÇÏ°í´Â Åë°èÀûÀÎ À¯ÀÇÂ÷¸¦ º¸ÀÌÁö ¾Ê¾Ò´Ù(p>0.05).

4. P. gingivalis, T. forsythia, T. denticola°¡ ÇÔ²² ³ªÅ¸³­ °æ¿ì´Â ´Ù¿îÁõÈıº ȯÀÚ¿Í ´ëÁ¶±º ¸ðµÎ 33%¸¦ ³ªÅ¸³»¾ú´Ù. red complex¿¡ A. actinomycetemcomitans±îÁö°¡ ³ªÅ¸³­ °æ¿ì´Â ´Ù¿îÁõÈıº ȯÀÚ¿¡¼­ 22%, ´ëÁ¶±º¿¡¼­ 14%·Î ´Ù¿îÁõÈıº ȯÀÚ¿¡¼­ ´õ ³ô¾Ò´Ù.

ÀÌ»óÀÇ °á°ú¸¦ ¿ä¾àÇغ¸¸é ´Ù¿îÁõÈıº ȯÀÚ±º°ú Á¤½ÅÁöüÀÚ ´ëÁ¶±º ¸ðµÎ¿¡¼­ Ä¡ÁÖÁúȯ ¿øÀαÕÀÌ ¾î¸° ½Ã±âºÎÅÍ ¸Å¿ì ³ô°Ô ÃâÇöÇÏ¿´À¸³ª ÀüüÀûÀÎ µÎ ±º°£ Ä¡ÅÂÁö¼ö, Ä¡ÀºÁö¼ö, Ä¡ÁÖÁúȯ ¿øÀÎ±Õ ÃâÇöÀ²¿¡¼­ À¯ÀÇÇÑ Â÷À̸¦ ³ªÅ¸³»Áö ¾Ê¾Ò´Ù. ÇÏÁö¸¸ A. actinomycetem comitans±ÕÀº 7~10¼¼±º ´Ù¿îÁõÈıº ȯÀÚ¿¡¼­ ´ëÁ¶±º¿¡ ºñÇØ ³ôÀº ºñÀ²À» º¸¿´´Ù.

It is widely known that individuals with Down¡¯s syndrome(DS) often develop early onset severe periodontal diseases. In this study. We examined the prevalence of periodontopathic bacteria in DS patients to compare controls with mental disabilities(MD). The subjects were 27 DS patients (7 to 19 years old) and 27 age-matched controls with MD. Plaque index and gingival index were measured. And 5 pathogens, Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis, Tannerella forsythia, Treponema denticola, Fusobacterium nucleatum, were surveyed in subgingival plaque samples using a polymerase chain reaction. No significant difference in plaque index and gingival index were observed between the DS and control group. The prevalence in DS was 96.3% for F. nucleatum, 74.1% for T. forsythia, 63.0% for P. gingivalis, 55.6% for A. actinomycetemcomitans, 40.7% for T. denticola. No significant differences were observed in the prevalence of periodontopathic bacterias between the DS and control. Prevalence of P.g(16.7) at age 7~10 is lower than other age group in DS, but its prevalence increased with age. Prevalence of A.a(83.3%) is peak at age 7~10 in DS.

These results suggest that various periodontopathic pathogens can colo

nize in the very early childhood of DS and MD patients. But no significant difference was observed in the prevalence of periodontopathic bacterias between the DS and control.

Å°¿öµå

´Ù¿îÁõÈıº ÁßÇÕÈ¿¼Ò¿¬¼â¹ÝÀÀ Ä¡ÁÖÁúȯ ¿øÀÎ±Õ P. gingivalis T. denticola A. actinomycetemcomitans Down¡¯s syndrome Polymerase chain reaction Periodontopathic bacteria Porphyromonas gingivalis Treponema denticola Actinobacillys actinomycetemcomitans

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