Journal
JOURNAL OF CLINICAL PERIODONTOLOGY
Volume 27, Issue 1, Pages 61-68Publisher
MUNKSGAARD INT PUBL LTD
DOI: 10.1034/j.1600-051x.2000.027001061.x
Keywords
bone loss; periodontitis; smoking; tobacco
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Background: The influence of smoking behavior on the periodontal health condition was clinically and radiographically studied in 257 dentally aware adults in the age range 20-69 years, including 50 current smokers, 61 former smokers and 133 nonsmokers. Aims: The clinical variables to be investigated were frequency of diseased sites greater than or equal to 4 mm, frequency of gingival bleeding sites and plaque index. In addition, the periodontal bone height was radiographically assessed as a % of the dental root length. Methods: All variables were based on full-mouth examinations including all teeth and periodontia. Results: The observations indicated an inferior periodontal health condition associated with smoking. This was evidenced by a significantly greater frequency of diseased sires and a significantly greater reduction of periodontal bone height in current smokers as compared to non-smokers. The condition of former smokers was intermediate between current smokers and non-smokers, suggesting that former smokers who have quit smoking have a better periodontal health condition than current smokers, although worse than that of non-smokers. The finding that former smokers exhibited less disease than current smokers suggests that smoking cessation may be beneficial and mitigate the untoward effects inflicted by smoking, allowing a normalization towards non-smoker conditions. Heavy exposure was consistently associated with more severe a condition than light exposure, suggesting that the relationship between smoking exposure and periodontal morbidity is dose-dependent. Conclusions: Altogether, the present observations identify a negative impact from smoking on periodontal health and provide further evidence that tobacco smoking is an avoidable risk for periodontal disease.
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