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Id: lil-779905
Autor: GONÇALVES, Cristiane; SOARES, Geisla Mary S; FAVERI, Marcelo; PÉREZ-CHAPARRO, Paula Juliana; LOBÃO, Eduardo; FIGUEIREDO, Luciene Cristina; BACCELLI, Gustavo Titonele; FERES, Magda.
Título: Association of three putative periodontal pathogens with chronic periodontitis in Brazilian subjects
Fonte: J. appl. oral sci;24(2):181-185, Mar.-Apr. 2016. tab, graf.
Idioma: en.
Projeto: São Paulo Research Foundation.
Resumo: ABSTRACT Objective The aim of this study was to evaluate the association of Porphyromonas endodontalis, Filifactor alocis and Dialister pneumosintes with the occurrence of periodontitis. Material and Methods Thirty subjects with chronic periodontitis (ChP) and 10 with periodontal health (PH) were included in the study. Nine subgingival biofilm samples were collected as follows: i) PH group - from the mesial/buccal aspect of each tooth in two randomly chosen contralateral quadrants; ii) ChP group - from three sites in each of the following probing depth (PD) categories: shallow (≤3 mm), moderate (4-6 mm) and deep (≥7 mm). Checkerboard DNA-DNA hybridization was used to analyze the samples. Results We found the three species evaluated in a higher percentage of sites and at higher levels in the group with ChP than in the PH group (p<0.05, Mann-Whitney test). We also observed these differences when the samples from sites with PD≤4 mm or ≥5 mm of subjects with ChP were compared with those from subjects with PH (p<0.05, Mann-Whitney test). In addition, the prevalence and levels of D. pneumosintes, and especially of F. alocis were very low in healthy subjects (0.12x105 and 0.01x105, respectively). Conclusion F. alocis and D. pneumosintes might be associated with the etiology of ChP, and their role in the onset and progression of this infection should be further investigated. The role of P. endodontalis was less evident, since this species was found in relatively high levels and prevalence in the PH group.
Descritores: Peptostreptococcus/patogenicidade
Porphyromonas endodontalis/patogenicidade
Veillonellaceae/patogenicidade
Periodontite Crônica/microbiologia
-Peptostreptococcus/isolamento & purificação
Brasil
DNA Bacteriano
Contagem de Colônia Microbiana
Sondas de DNA
Estudos de Casos e Controles
Estatísticas não Paramétricas
Biofilmes
Porphyromonas endodontalis/isolamento & purificação
Placa Dentária/microbiologia
Veillonellaceae/isolamento & purificação
Gengiva/microbiologia
Limites: Seres Humanos
Masculino
Feminino
Adulto
Meia-Idade
Responsável: BR1.1 - BIREME



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