Relationship of smoking and smoking cessation with oral health status in Japanese men

Yanagisawa, Tomohito; Ueno, Masashi; Shinada, Kayoko; Ohara, Satoko; Wright, F. A. C.; Kawaguchi, Yoko

doi:10.1111/j.1600-0765.2009.01233.x

Cited by 36 publications

(41 citation statements)

References 35 publications

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“…Similarly, the mean number of tobacco product units smoked per day was lower among female than among male current smokers (11.1 and 14.7, respectively). Such a discrepancy between men and women is culture dependent and was even more prominent in a study from Japan, which had to exclude women from the analyses due to exceedingly low numbers of current and former smokers [24]. Nevertheless, the findings regarding smoking cessation and clinically assessed tooth loss among 40- to 75-year-old men were similar to ours.…”

Section: Discussionsupporting

confidence: 70%

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Long-term effects of smoking on tooth loss after cessation among middle-aged Finnish adults: the Northern Finland Birth Cohort 1966 Study

et al. 2016

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BackgroundDespite smoking cessation efforts, cigarette smoking remains a serious general and oral health problem. We aimed to investigate the putative benefits of smoking cessation on dentition and to analyse whether the time elapsed since smoking cessation associated positively with the remaining number of teeth.MethodsThis cross-sectional study analyses data from the 46-year follow-up of the Northern Finland Birth Cohort Study 1966 (NFBC1966). A total of 5 540 subjects participated in this cross-sectional study, which utilises both clinical dental examinations and mailed questionnaires. We used the following information on smoking: status (current, former, never), years of smoking (current, former) and years elapsed since smoking cessation (former). Self-reported and clinically measured number of teeth (including third molars) served as alternative outcomes. We used binary logistic regression models to analyse the dichotomised number of teeth (‘0–27’, ’28–32’) and then calculated unadjusted and adjusted odds ratios (OR) with 95 % confidence intervals (CI) for the smoking variables (never smoker as the reference). Gender, education, tooth brushing frequency, diabetes and alcohol use served as confounders for the adjusted models.ResultsTen years or more of smoking associated with tooth loss; this effect was the strongest among men who reported having an ongoing smoking habit (self-reported outcome: adjusted OR = 1.74, CI = 1.40–2.16) and the weakest among women classified as former smokers (self-reported outcome: adjusted OR = 1.27, CI = 1.00–1.62).ConclusionsThis study shows that smoking has long-term effects on tooth loss even after cessation. The findings support smoking cessation efforts to reduce oral health risks.

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Section: Discussionsupporting

confidence: 70%

“…Furthermore, studies are often limited to male study populations only [14, 15, 24]. Our study, in contrast, incorporated clinically assessed number of teeth with corresponding self-reported value for both men and women.…”

Section: Discussionmentioning

confidence: 99%

Long-term effects of smoking on tooth loss after cessation among middle-aged Finnish adults: the Northern Finland Birth Cohort 1966 Study

et al. 2016

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“…A Japanese study found the odds ratios of having more than eight missing teeth was much higher among current smokers compared to males who had never smoked (OR = 1.67) [24]. An Australian '45 and Up' cohort study based on over 100,000 participants also showed that current smokers had significantly higher odds of tooth loss compared with never smokers (OR = 2.51) [25].…”

Section: Discussionmentioning

confidence: 99%

Factors associated with self-reported number of teeth in a large national cohort of Thai adults

et al. 2011

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BackgroundOral health in later life results from individual's lifelong accumulation of experiences at the personal, community and societal levels. There is little information relating the oral health outcomes to risk factors in Asian middle-income settings such as Thailand today.MethodsData derived from a cohort of 87,134 adults enrolled in Sukhothai Thammathirat Open University who completed self-administered questionnaires in 2005. Cohort members are aged between 15 and 87 years and resided throughout Thailand. This is a large study of self-reported number of teeth among Thai adults. Bivariate and multivariate logistic regressions were used to analyse factors associated with self-reported number of teeth.ResultsAfter adjusting for covariates, being female (OR = 1.28), older age (OR = 10.6), having low income (OR = 1.45), having lower education (OR = 1.33), and being a lifetime urban resident (OR = 1.37) were statistically associated (p < 0.0001) with having less than 20 teeth. In addition, daily soft drink consumptions (OR = 1.41), current regular smoking (OR = 1.39), a history of not being breastfed as a child (OR = 1.34), and mother's lack of education (OR = 1.20) contributed significantly to self-reported number of teeth in fully adjusted analyses.ConclusionsThis study addresses the gap in knowledge on factors associated with self-reported number of teeth. The promotion of healthy childhoods and adult lifestyles are important public health interventions to increase tooth retention in middle and older age.

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“…1 , 2 In addition, tooth loss affects daily activities such as speaking, smiling, chewing, and tasting. 3 Prevention of tooth loss thus helps maintain good general health and high quality of life.…”

Section: Introductionmentioning

confidence: 99%

“…7 , 12 – 15 In Japan, numerous studies have examined the association between smoking and tooth loss at all ages. 3 , 16 – 20 There have also been several studies on the associations of tooth loss with nutritional status 21 , 22 and educational level. 23 , 24 However, because most of those studies were conducted among elderly populations, there is little information on factors related to tooth loss in middle-aged populations.…”

Section: Introductionmentioning

confidence: 99%

Factors Related to Tooth Loss Among Community-Dwelling Middle-aged and Elderly Japanese Men

Ando

Ohsawa

Yaegashi

et al. 2013

Journal of Epidemiology

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BackgroundUsing data from a large-scale community-based Japanese population, we attempted to identify factors associated with tooth loss in middle-aged and elderly men.MethodsA total of 8352 men aged 40 to 79 years who lived in the north of the main island of Japan and underwent health checkups were enrolled between 2002 and 2005. Number of teeth was assessed by the question, “How many teeth do you have (0, 1–9, 10–19, or ≥20)?”. On the basis of the answer to this question, participants were classified into 2 groups (≤19 teeth or ≥20 teeth). Using multivariate logistic regression, factors related to having 19 or fewer teeth were estimated.ResultsThe numbers (percentages) of participants who had 0, 1 to 9, 10 to 19, and 20 or more teeth were 1764 (21.1%), 1779 (21.3%), 1836 (22.0%), and 2973 (35.6%), respectively. Among the participants overall and those aged 65 to 79 years, having 19 or fewer teeth was significantly associated with older age, smoking status (current smoking and ex-smoking), and low education level. In addition, men with 19 or fewer teeth were more likely to have a low body mass index and low serum albumin level and less likely to be current alcohol drinkers. Among men aged 40 to 64 years, but not men aged 65 to 79 years, those with 19 or fewer teeth were more likely to have a low serum high-density lipoprotein cholesterol level and high glycosylated hemoglobin (HbA1c) level.ConclusionsSmoking, low education level, and poor nutritional status were associated with tooth loss among middle-aged and elderly Japanese men.

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Relationship of smoking and smoking cessation with oral health status in Japanese men

Cited by 36 publications

References 35 publications

Long-term effects of smoking on tooth loss after cessation among middle-aged Finnish adults: the Northern Finland Birth Cohort 1966 Study

Long-term effects of smoking on tooth loss after cessation among middle-aged Finnish adults: the Northern Finland Birth Cohort 1966 Study

Factors associated with self-reported number of teeth in a large national cohort of Thai adults

Factors Related to Tooth Loss Among Community-Dwelling Middle-aged and Elderly Japanese Men

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