Prevalence and risk factors of apical periodontitis in endodontically treated teeth in a selected population of brazilian adults
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Data
2008
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Resumo
The aim of this study was to assess the prevalence and risk factors of apical periodontitis in endodontically treated teeth in a selected
population of Brazilian adults. A total of 1,372 periapical radiographs of endodontically treated teeth were analyzed based on the
quality of root filling, status of coronal restoration and presence of posts associated with apical periodontitis (AP). Data were analyzed
statistically using odds ratio, confidence intervals and chi-square test. The prevalence of AP with adequate endodontic treatment was
low (16.5%). This percentage dropped to 12.1% in cases with adequate root filling and adequate coronal restoration. Teeth with
adequate endodontic treatment and poor coronal restoration had an AP prevalence of 27.9%. AP increased to 71.7% in teeth with poor
endodontic treatment associated with poor coronal restoration. When poor endodontic treatment was combined with adequate coronal
restoration, AP prevalence was 61.8%. The prevalence of AP was low when associated with high technical quality of root canal
treatment. Poor coronal restoration increased the risk of AP even when endodontic treatment was adequate (OR=2.80; 95%CI=1.87-
4.22). The presence of intracanal posts had no influence on AP prevalence.
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Apical periodontitis, Endodontic epidemiology, Endodontic treatment, Coronal restoration
Citação
ESTRELA, Carlos et al. Prevalence and risk factors of apical periodontitis in endodontically treated teeth in a selected population of Brazilian adults. Brazilian Dental Journal, Ribeirão Preto v. 19, n. 1, p. 34-39, 2008.