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Relationship between oral status and prevalence of periodontopathic bacteria on tongues of elderly individuals.


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タイトル: Relationship between oral status and prevalence of periodontopathic bacteria on tongues of elderly individuals.
著者: Kishi, Mitsuo / Ohara-Nemoto, Yuko / Takahashi, Masahiro / Kishi, Kayo / Kimura, Shigenobu / Yonemitsu, Masami
発行日: 2010年 8月 5日
出版者: Society for General Microbiology
引用: Journal of Medical Microbiology, 59(11), pp.1354-1359; 2010
抄録: Colonization of periodontopathic bacteria is associated with increased risk for systemic diseases. However, few studies have investigated the relationships between oral status factors as well as health related-quality of life (HR-QOL) and the prevalence of such bacteria in elderly individuals. This study investigated the prevalence of Porphyromonas gingivalis, Prevotella intermedia, Treponema denticola, and Tannerella forsythia in 165 community-dwelling functionally independent 85-year-old Japanese individuals (93 dentate, 72 edentulous) and the relationship to oral status, including oral malodor and HR-QOL. All 4 of the studied periodontopathic bacteria were found more frequently in tongue coating samples from dentate than edentulous subjects, and the prevalence of P. gingivalis, P. intermedia, and T. denticola was significantly related to the number of teeth with a periodontal pocket depth (>/= 4 mm). These results suggest the existence of a stable circulation of periodontopathic bacteria between the gingival sulcus and tongue coating over time with teeth. In addition, the presence of teeth with a deep pocket and colonization of T. denticola were positively related to the level of CH(3)SH, while the number of present teeth positively contributed to HR-QOL, especially in regard to mental health. In conclusion, since dentate state can retain colonization of periodontopathic pathogens in the oral cavity, both periodontal treatment and tongue care are important for maintaining a healthy oral status in the elderly, and possibly results in avoidance of a risk for tooth loss and decline in HL-QOL, as well as protects from systemic diseases.
キーワード: elderly / HR-QOL / Porphyromonas gingivalis / present teeth / Treponema denticola / tongue coating
URI: http://hdl.handle.net/10069/25639
ISSN: 00222615
DOI: 10.1099/jmm.0.020636-0
PubMed ID: 20688951
権利: © 2010 Society for General Microbiology
資料タイプ: Journal Article
原稿種類: author
出現コレクション:040 学術雑誌論文

引用URI : http://hdl.handle.net/10069/25639

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