Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/77475
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Type: Journal article
Title: Validity of partial protocols to assess the prevalence of periodontal outcomes and associated sociodemographic and behavior factors in adolescents and young adults
Author: De Anselmo Peres, M.
Glazer De Anselmo Peres, K.
Cascaes, A.
Correa, M.
Demarco, F.
Hallal, P.
Horta, B.
Gigante, D.
Menezes, A.
Citation: Journal of Periodontology, 2012; 83(3):369-378
Publisher: Amer Acad Periodontology
Issue Date: 2012
ISSN: 0022-3492
1943-3670
Statement of
Responsibility: 
Marco A. Peres, Karen G. Peres, Andreia M. Cascaes, Marcos B. Correa, Flávio F. Demarco, Pedro C. Hallal, Bernardo L. Horta, Denise P. Gigante and Ana B. Menezes
Abstract: BACKGROUND: Most studies comparing prevalence of periodontal disease and risk factors by using partial protocols were performed in adult populations, with several studies being conducted in clinical settings. The aim of this study is to assess the accuracy of partial protocols in estimating the prevalence of periodontal outcomes in adolescents and young adults from two population-based birth cohorts from Pelotas, Brazil, and to assess differences in the estimation and strength of the effect measures when partial protocols are adopted compared to full-mouth examination. METHODS: Gingival bleeding at probing among adolescents (n = 339) and young adults (n = 720) and dental calculus and periodontal probing depth among young adults were assessed using full-mouth examinations and four partial protocols: Ramfjord teeth (RT), community periodontal index (CPI), and two random diagonal quadrants (1 and 3, 2 and 4). Socioeconomic, demographic, and periodontal health–related variables were also collected. Sensitivity, absolute and relative bias, and inflation factors were calculated. Prevalence ratio for each periodontal outcome for the risk factors was estimated. RESULTS: Two diagonal quadrants showed better accuracy; RT had the worst, whereas CPI presented an intermediate pattern when compared to full-mouth examination. For bleeding assessment in adolescence, RT and CPI underestimated by 18.4% and 16.2%, respectively, the true outcome prevalence, whereas among young adults, all partial protocols underestimated the prevalence. All partial protocols presented similar magnitude of association measures for all investigated periodontal potential risk factors. CONCLUSION: Two diagonal quadrants protocol may be effective in identifying the risk factors for the most relevant periodontal outcomes in adolescence and in young adulthood.
Keywords: Dental Calculus; Humans; Gingival Hemorrhage; Periodontal Pocket; Tooth Loss; Periodontal Index; Population Surveillance; Prevalence; Risk Factors; Sensitivity and Specificity; Cohort Studies; Longitudinal Studies; Cross-Sectional Studies; Dental Care; Toothbrushing; Adolescent Behavior; Smoking; Health Behavior; Mothers; Socioeconomic Factors; Adolescent; Child; Educational Status; Income; Brazil; Female; Male; Young Adult
Rights: Copyright status unknown
RMID: 0020125283
DOI: 10.1902/jop.2011.110250
Appears in Collections:Dentistry publications

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