Journal of the korean academy of Pediatric Dentistry (대한소아치과학회지)

Korean Academy of Pediatric Dentistry (대한소아치과학회)
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DISTRIBUTION AND TRANSMISSION OF STREPTOCOCCUS MUTANS AMONG CHILDREN AND THEIR MOTHERS

어린이와 어머니의 Streptococcus mutans 분포와 전이

  • Song, Hee-Jeong (Department of Pediatric dentistry and Institute of Oral Bioscience, School of Dentistry, Chonbuk National University) ;
  • Kim, Jea-Gon (Department of Pediatric dentistry and Institute of Oral Bioscience, School of Dentistry, Chonbuk National University) ;
  • Yang, Yeon-Mi (Department of Pediatric dentistry and Institute of Oral Bioscience, School of Dentistry, Chonbuk National University) ;
  • Baik, Byeong-Ju (Department of Pediatric dentistry and Institute of Oral Bioscience, School of Dentistry, Chonbuk National University) ;
  • Kim, Mi-Ah (Department of Pediatric dentistry and Institute of Oral Bioscience, School of Dentistry, Chonbuk National University) ;
  • Jeong, Hae-Kyoung (Department of Pediatric dentistry and Institute of Oral Bioscience, School of Dentistry, Chonbuk National University)
  • 송희정 (전북대학교 치의학전문대학원 소아치과학교실 및 구강생체과학연구소) ;
  • 김재곤 (전북대학교 치의학전문대학원 소아치과학교실 및 구강생체과학연구소) ;
  • 양연미 (전북대학교 치의학전문대학원 소아치과학교실 및 구강생체과학연구소) ;
  • 백병주 (전북대학교 치의학전문대학원 소아치과학교실 및 구강생체과학연구소) ;
  • 김미아 (전북대학교 치의학전문대학원 소아치과학교실 및 구강생체과학연구소) ;
  • 정해경 (전북대학교 치의학전문대학원 소아치과학교실 및 구강생체과학연구소)
  • Received : 2010.12.31
  • Accepted : 2011.01.31
  • Published : 2011.02.28
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Abstract

Recently, the number of multi-cultural families have been on the rise for years in Korea. Although social concerns are on the increase, there is still no basic data of their oral health state. In this study, we examined the caries prevalence of mother-child pairs from some korean families and multi-cultural families, and collected some saliva from them. We evaluated Streptococcus mutans level and investigated the serotype distribution of Streptococcus mutans of them to confirm the transmission in mother-child pairs. As a results, to the Korean families, the percentages of serotype c, e, f, k were 95%, 10%, 10%, and 10%. And to the multi-cultural families, the percentages of serotype c, e, f, k were 68.8%, 31.25%, 43,75%, 18.8%. But, there is no significant relationship between the number of serotype per person, caries prevalence, and Streptococcus mutans level(p>0.05). In conclusion, there are differences of serotype distribution of Streptococcus mutans between the two families. Nevertheless, matching rate of more than one serotype between mother and their child was high (92.86%). So, vertical transmission of Streptococcus mutans in mother-child pairs could be demonstrated.

최근 우리와 다른 민족 또는 다른 문화적 배경을 가진 사람들이 포함된 다문화가정이 증가하였고 그들에 대한 사회적 관심이 증가하고 있으나, 우리는 아직 이들의 구강상태에 대한 기초적인 자료도 없는 실정이다. 본 연구는 부모가 모두 한국인인 가정과 다문화 가정에서, 어머니와 어린이의 구강 상태를 검사하고, polymerase chain reaction(PCR)을 이용하여 치아우식증의 주요 원인균인 Streptococcus mutans의 serotype 분포와 전이에 대한 실험을 통해 다음과 같은 결과를 얻었다. 1) 한국인 가정에서는, serotype c는 95%, serotype e, f, k는 10%의 비율로 나타났으며, 다문화가정을 대상으로 하였을 때에는 serotype c는 68.8%, serotype e는 31.25%, serotype f는 43.75%, serotype k는 18.8%의 비율로 나타났다. 2) 어머니와 어린이 둘 다 serotype이 확인된 경우, 92.86%에서 어머니와 어린이가 하나 이상의 같은 serotype을 포함하는 것으로 나타났다. 3) 한 가지 serotype만 나타난 경우보다 두 종류 이상의 serotype이 확인된 경우에서 평균 S. mutans level이 높게 나왔으나 통계적으로 유의한 차이는 없었다(p>0.05). 4) 우식 위험이 높다고 볼 수 있는 S. mutans level 2를 기준으로 비교하였을 때, 각 그룹 간에 우식 위험도는 통계적으로 유의한 차이가 없었다(p>0.05). 5) 그룹에 따른 serotype의 수, 우식 이환율, S. mutans level 간에는 유의한 상관관계가 없었다(p>0.05).

Keywords

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