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AimTo assess sociodemographic and behavioural risk factors for periodontal attachment loss (PAL) progression after 5 years in an urban sample from south Brazil.
MethodsAt baseline, 1586 subjects, 14 years and older, were derived using a multistage probabilistic sample strategy. At follow‐up, 653 of 755 subjects had ≥6 teeth and were included in this analysis. A modified multiple Poisson regression...
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