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Microbiological features of gingivitis in pubertal children
Author(s) -
Tsuruda Keiko,
Miyake Yoichiro,
Suginaka Hidekazu,
Okamoto Hiroshi,
Iwamoto Yoshifumi
Publication year - 1995
Publication title -
journal of clinical periodontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.456
H-Index - 151
eISSN - 1600-051X
pISSN - 0303-6979
DOI - 10.1111/j.1600-051x.1995.tb00154.x
Subject(s) - gingivitis , prevotella intermedia , eikenella corrodens , prevotella , biology , dentistry , medicine , periodontitis , microbiology and biotechnology , bacteria , porphyromonas gingivalis , genetics
The subgingival microflora of 42 pubertal children (aged 12–15 years) and 18 young adults (aged 21–25 years) was investigated by anaerobic culture and phase contrast microscopy. Motile rods, spirochetes and Prevotella intermedia were elevated proportionately in pubertal children with gingivitis (median GI1); however, no statistically significant differences in enumerated organisms on selective media were observed between pubertal children and young adults. These organisms were positively correlated with the index of bleeding on probing and the gingival index of pubertal children. Pubertal children were divided into 3 distinct subject clusters according to the similarity of subgingival microbial features, and the subjects who were then selected for the gingivitis group were distributed into clusters 1 and 2. The proportions of motile rods, P. intermedia and Eikenella corrodens were significantly higher in cluster 2 than in cluster 1. These results suggest that these 2 species and motile rods which differentiated features of clusters, are useful for screening of high‐risk subjects for worsening of inflammation.