Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/107220
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Type: Journal article
Title: Prediction of periodontitis occurrence: Influence of classification and sociodemographic and general health information
Author: Leite, F.
Peres, K.
Do, L.
Demarco, F.
Peres, M.
Citation: Journal of Periodontology, 2017; 88(8):731-743
Publisher: American Academy of Periodontology
Issue Date: 2017
ISSN: 0022-3492
1943-3670
Statement of
Responsibility: 
Fábio R.M. Leite, Karen G. Peres, Loc G. Do, Flávio F. Demarco, and Marco A.A. Peres
Abstract: Background: Prediction of periodontitis development is challenging. Use of oral health–related data alone, especially in a young population, might underestimate disease risk. This study investigates accuracy of oral, systemic, and socioeconomic data on estimating periodontitis development in a populationbased prospective cohort. Methods: General health history and sociodemographic information were collected throughout the lifecourse of individuals. Oral examinations were performed at ages 24 and 31 years in the Pelotas 1982 birth cohort. Periodontitis at age 31 years according to six classifications was used as the gold standard to compute area under the receiver operating characteristic curve (AUC). Multivariable binomial regression models were used to evaluate the effects of oral health, general health, and socioeconomic characteristics on accuracy of periodontitis development prediction. Results: Complete data for 471 participants were used. Periodontitis classifications with lower thresholds yielded superior predictive power. Calculus, pocket, or bleeding presence at age 24 years separately presented fair accuracy. Accuracy increased using multivariable models; for example, the Beck et al. classification AUC from 0.59 to 0.75 combining proportion of teeth with calculus, bleeding, or pocket with income; number of lost teeth; sex; education; people living in the house; prosthetic needs; or number of decayed, missing, or filled teeth (DMFT). Proportion of teeth with pocket, bleeding, or calculus; number of DMFT; toothbrushing frequency; blood pressure; sex; and income were most frequently associated. Conclusions: Choice of classification might have an impact on accuracy to predict periodontitis occurrence. Regardless of the classification, predictive value for development of periodontitis in young adults might be increased by combining periodontal information, sociodemographic information, and general health history.
Keywords: Cohort studies; epidemiology; forecasting; incidence; periodontal diseases; periodontitis
Rights: © 2017 American Academy of Periodontology. All rights reserved.
RMID: 0030067319
DOI: 10.1902/jop.2017.160607
Appears in Collections:Dentistry publications

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