Cigarette smoking and tooth loss in a cohort of older Australians the 45 and Up Study

Manish Arora, Eli Schwarz, Shanti Sivaneswaran, Emily Banks

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Background. Data regarding the long-term effects of smoking, smoking cessation and environmental tobacco smoke (ETS) on tooth loss are limited. Methods. The authors collected information about tooth loss and other health-related characteristics from a questionnaire administered to 103,042 participants in the 45 and Up Study conducted in New South Wales, Australia. The authors used logistic regression analyses to determine associations of cigarette smoking history and ETS with edentulism, and they adjusted for age, sex, income and education. Results. Current and former smokers had significantly higher odds of experiencing edentulism compared with never smokers (prevalence odds ratio [OR], 2.51; 95 percent confidence interval [CI], 2.31-2.73 and OR, 1.50; 95 percent CI, 1.43-1.58, respectively). Among former smokers, the risk declined significantly with increasing time since smoking cessation; however, the risk remained elevated even in those who ceased smoking 30 or more years previously compared with that in never smokers (OR, 1.10; 95 percent CI, 1.02-1.19). Furthermore, among never smokers, the OR for edentulism was 1.37 (95 percent CI, 1.17-1.60) in those who reported having exposure to ETS for six or more hours per week versus those who were not exposed to any ETS. Conclusions and Clinical Implications. Although the risk of experiencing tooth loss declines with time since smoking cessation, the effects of smoking may persist for at least 30 years. The effect of ETS requires further investigation.

Original languageEnglish (US)
Pages (from-to)1242-1249
Number of pages8
JournalJournal of the American Dental Association
Volume141
Issue number10
StatePublished - Oct 2010
Externally publishedYes

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Tooth Loss
Smoke
Tobacco
Smoking
Smoking Cessation
Odds Ratio
Confidence Intervals
South Australia
New South Wales
Sex Education
Environmental Exposure
Logistic Models
History
Regression Analysis
Health

Keywords

  • Cigarette smoking
  • Environmental tobacco smoke
  • Tooth loss

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Cigarette smoking and tooth loss in a cohort of older Australians the 45 and Up Study. / Arora, Manish; Schwarz, Eli; Sivaneswaran, Shanti; Banks, Emily.

In: Journal of the American Dental Association, Vol. 141, No. 10, 10.2010, p. 1242-1249.

Research output: Contribution to journalArticle

Arora, Manish ; Schwarz, Eli ; Sivaneswaran, Shanti ; Banks, Emily. / Cigarette smoking and tooth loss in a cohort of older Australians the 45 and Up Study. In: Journal of the American Dental Association. 2010 ; Vol. 141, No. 10. pp. 1242-1249.
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