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치주염유발세균 복합체의 분포에 따른 구강건강상태

Oral health condition according to distribution of periodontopathic bacterial complex

대한구강보건학회지 2020년 44권 1호 p.41 ~ 47
김지혜, 이동익, 임상욱, 전은숙, 송근배, 최연희,
소속 상세정보
김지혜 ( Kim Ji-Hye ) - 경북대학교 치과대학 예방치과학교실
이동익 ( Lee Dong-Ik ) - 경북대학교 치과대학 예방치과학교실
임상욱 ( Im Sang-Uk ) - 경북대학교 치과대학 예방치과학교실
전은숙 ( Jeon Eun-Suk ) - 춘해보건대학교 치위생과
송근배 ( Song Keun-Bae ) - 경북대학교 치과대학 예방치과학교실
최연희 ( Choi Youn-Hee ) - 경북대학교 치과대학 예방치과학교실

Abstract


Objectives: The purpose of this study was to evaluate the association between the distribution of periodontopathic bacteria and oral conditions.

Methods: Stimulated saliva was collected from 162 adults aged 60 years and above. The prevalence and amount of periodontopathic bacteria in the saliva were analyzed using real-time PCR. Pocket depth and clinical attachment loss were examined to evaluate the oral conditions of the subjects. Patients who had at least one tooth surface involved, with a pocket depth ≥4 mm or clinical attachment loss ≥5 mm were classified as having periodontal disease.

Results: The detection rates of most bacteria in the orange and green complexes were more than 90%, while those of P. gingivalis and T. forsythia in the red complex were 58.6% and 61.7%, respectively. The number of bacteria in the red complex positively correlated with each other. There were no significant differences in the number of types of red complex bacteria in the saliva and the distribution of residual number of teeth and periodontal disease (P>0.05). On the other hand, the number of remaining teeth in subjects with higher bacterial density were more than those with lesser bacterial density. In addition, the occurrence of dental disease differed significantly depending on the number of P. gingivalis and T. forsythia.

Conclusions: The relative amount of periodontopathic bacteria is important in the occurrence of periodontal disease, and the number of these bacteria positively correlated with each other.

키워드

Oral health; Periodontopathic bacterial complex; Periodontal disease

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