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Bariatric patients and analysis of periodontopathogenic bacteria DNA: a longitudinal study

Grant number: 08/05798-2
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2009
Effective date (End): February 29, 2012
Field of knowledge:Health Sciences - Collective Health - Epidemiology
Principal researcher:Silvia Helena de Carvalho Sales Peres
Grantee:Patrícia Garcia de Moura Grec
Home Institution: Faculdade de Odontologia de Bauru (FOB). Universidade de São Paulo (USP). Bauru , SP, Brazil

Abstract

The increasing prevalence of obesity and the risen realization of surgery to reduce weight, it is necessary to evaluate the oral condition of these individuals. The obesity can be related to the oral problems such as periodontal disease, tooth wear and xerostomia. The bariatric surgery can interfere in the conditions of oral health, depending on some systemic factors after surgery, whose definition is not established in scientific literature. The aim of this study is to evaluate the prevalence of oral health conditions, presence of periodontopathogenic bacteria and association with obesity and bariatric surgery. This is a prospective longitudinal study, composed of 90 patients that will be submitted to bariatric surgery, Fobi- Capella technical, in the following hospitals: HCRP / FMRP-USP (n = 30), HC / FMB-UNESP (n = 30) and HB / FAMERP (n = 30). The clinical examination will evaluate the occurrence of periodontal disease, dental wear and salivary flow and, will be collected samples of the gingival fluid to analyze the presence of 3 periodontal bacteria (Prevotella intermedia, Treponema denticola, Tannerella forsythensis and Porphyromonas gingivalis) through reactions of Real-time PCR. Also it will be applied a questionnaire related to oral health care, assessment of weight and height for obtaining the body mass index (BMI) and others health information, through registration in hospital for correlate with the variables. The participants will be reevaluated in 6th and 12th months after bariatric surgery. The results of this study will be able to contribute for identification of periodontal disease that increase after the bariatric surgery, with aim to identify possible etiological factors to minimize, reduce or prevent bone loss of the dental support tissue.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE CARVALHO SALES-PERES, SILVIA HELENA; DE MOURA-GREC, PATRICIA GARCIA; YAMASHITA, JOSELENE MARTINELLI; TORRES, ELZA ARAUJO; DIONISIO, THIAGO JOSE; DE SOUZA LEITE, CELSO VIEIRA; SALES-PERES, ARSENIO; CENEVIVA, REGINALDO. Periodontal status and pathogenic bacteria after gastric bypass: a cohort study. Journal of Clinical Periodontology, v. 42, n. 6, p. 530-536, . (08/05798-2, 08/00240-3)
DE MOURA-GREC, PATRICIA GARCIA; YAMASHITA, JOSELENE MARTINELLI; MARSICANO, JULIANE AVANSINI; CENEVIVA, REGINALDO; DE SOUZA LEITE, CELSO VIEIRA; DE BRITO, GILBERTO BORGES; APARECIDO BRIENZE, SERGIO LUIS; DE CARVALHO SALES-PERES, SILVIA HELENA. Impact of bariatric surgery on oral health conditions: 6-months cohort study. INTERNATIONAL DENTAL JOURNAL, v. 64, n. 3, p. 144-149, . (08/05798-2, 08/00240-3)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
GREC, Patrícia Garcia de Moura. Impact of bariatric surgery on periodontal status and quantification of periodontopathogenic bacteria using q-PCR: longitudinal survey. 2012. Doctoral Thesis - Universidade de São Paulo (USP). Faculdade de Odontologia de Bauru (FOB/SDB) Bauru.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.