Cumulative smoking exposure and cessation associated with the recurrence of periodontitis in periodontal maintenance therapy: A 6-year follow-up

Journal of Periodontology
Fernando Oliveira Costa, Luís Otávio Miranda Cota

Abstract

This study followed individuals in periodontal maintenance therapy (PMT) over 6 years and longitudinally evaluated the effects of cumulative smoking exposure and duration of smoking cessation on the recurrence of periodontitis. From a 6-year follow-up cohort study with 212 individuals in PMT, 142 patients who attended at least one PMT visit within 12 months were determined to be elegible. According to smoking habits they were categorized into three groups: non-smokers (NS; n = 95), former smokers (FS; n = 22), and current smokers (CS; n = 25). Complete periodontal examination and smoking habits were evaluated at two instances: T1 (first time, after active periodontal therapy) and T2 (second time, 6 years). Associations between the recurrence of periodontitis (RP; probing depth ≥4 mm and clinical attachment loss ≥3 mm, together with the presence of bleeding on probing and/or suppuration), smoking status, and potential risk variables were analyzed by univariate and multivariate analysis, when appropriate. The RP in NS, FS, and CS groups was 44.2%, 68.2%, and 80.0%, respectively. After adjusting for confounders, odds ratios (95% confidence interval) for the RP in T2 was 2.80 (2.11 to 5.14) for FS and 5.97 (3.58 to 9.88) for CS. Th...Continue Reading

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Citations

Aug 6, 2019·Journal of Clinical Periodontology·Patrícia Daniela Melchiors AngstSabrina Carvalho Gomes
Oct 7, 2020·Journal of Clinical Periodontology·Jennifer ChangChun-Teh Lee
Dec 2, 2020·Journal of Clinical Periodontology·Fernando Oliveira CostaLuís Otávio Miranda Cota
Mar 4, 2021·International Dental Journal·Poliana Mendes DuarteTamires Szeremeske Miranda

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