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Abstract Aim The occurrence of periodontal diseases is still to be determined in large samples of major Brazilian cities. This study aimed to assess the periodontal status of adults from Curitiba, Paraná, Brazil, using periodontitis definitions by the Centers for Disease Control and Prevention and the American Academy of Periodontology (CDC/AAP) and the recently published ACES 2018 Classification Framework. Materials and Methods A multi‐stage probability sampling technique was applied to draw individuals aged 18 or older. A total of 566 individuals underwent a full‐mouth periodontal examination. Periodontitis cases were defined according to the CDC/AAP and the ACES 2018 Classification Framework. Non‐periodontitis cases were classified as healthy or gingivitis. The agreement between the two definitions was calculated. Results Periodontal health was present in 33.6% and 13.8% of individuals, and gingivitis was found in 11.7% and 7.5%, according to CDC/AAP and ACES, respectively. Mild, moderate and severe periodontitis (CDC/AAP) were present in 2.1%, 33.4% and 19.1% of individuals, respectively. Using ACES, 34.3% had Stages I/II and 43.3% had Stages III/IV. The occurrence of periodontitis was higher when a subgroup of individuals aged 30+ were analysed, ranging from 69.6% (CDC/AAP) to 90.1% (ACES). CDC/AAP and ACES agreement for health, gingivitis and periodontitis accounted for 68.8% of the observations. Conclusions Periodontal diseases affect more than 66% of the population aged 18+ years. Classic definition by the CDC/AAP and the recently published ACES Framework yielded moderate agreement.
ANJOS et al. (Fri,) studied this question.