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Int J Paediatr Dent. 2014 May;24(3):226-33. doi: 10.1111/ipd.12065. Epub 2013 Sep 12.

Progression of periodontal inflammation in adolescents is associated with increased number of Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythensis, and Fusobacterium nucleatum.

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  • 1Department of Pediatric Dentistry, Capital Medical University School of Stomatology, Beijing, China.

Abstract

OBJECTIVE:

The study aims to evaluate the change of related subgingival periodontopathogens among different stage of gingivitis in adolescent and assess the relationship between periodontopathogens and the progression of periodontal inflammation.

METHODS:

A total of 77 subgingival plaque samples from 35 adolescent individuals were divided into three groups including gingivitis group (mild, 15 samples; moderate, 16 samples; severe, 15 samples), chronic periodontitis group (15 samples) and healthy group (15 samples). Real-time PCR was used to quantitate Porphyromonas gingivalis, Prevotella intermedia, Tannerella forsythensis, and Fusobacterium nucleatum in subgingival plaque samples.

RESULTS:

All species, except for F. nucleatum, were detected in samples from gingivitis and periodontitis groups in significantly greater number than in those from healthy group (P < 0.05). In gingivitis groups, the number of P. gingivalis, T. forsythensis, and F. nucleatum in moderate and severe gingivitis groups was significantly higher than in mild gingivitis group (P < 0.05). After merging moderate gingivitis and severe gingivitis groups into moderate-to-severe gingivitis group, the four periodontopathogens were detected in samples from periodontitis group in significantly greater number than in those from moderate-to-severe gingivitis group (P < 0.05).

CONCLUSION:

The number of P. gingivalis, P. intermedia, T. forsythensis, and F. nucleatum in subgingival plaque increases with progression of periodontal inflammation in adolescents. Examination of periodontopathogens number in adolescents may be of some value for monitoring of periodontal disease development.

© 2013 BSPD, IAPD and John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.

PMID:
24025042
[PubMed - in process]
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