Association of the number of teeth and self-rated mastication with self-rated health in community-dwelling Japanese aged 40 years and older: the Yamagata cohort study

Ishikawa, Shinya; Konta, Tsuneo; Susa, Shinji; Ishizawa, Kenichi; Makino, Naohiko; Ueno, Yoshiyuki; Okuyama, Naoki; Iino, Mitsuyoshi

doi:10.1038/s41598-022-25690-5

Cited by 2 publications

(2 citation statements)

References 43 publications

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“…Importance of keeping ≥20 teeth for health promotion has been demonstrated. Maintaining ≥20 teeth enhances chewing function and promotes self‐reported health 46,47 . Subjects with 20 teeth or more had a significantly lower mortality rate than those with 19 teeth or fewer 48,49 .…”

Section: Discussionmentioning

confidence: 99%

“…Maintaining ≥20 teeth enhances chewing function and promotes self-reported health. 46,47 Subjects with 20 teeth or more had a significantly lower mortality rate than those with 19 teeth or fewer. 48,49 Therefore, we used a cut-off value of 20 remaining teeth to divide subjects into two groups.…”

Section: Ta B L E 1 Patient Demographics and Clinical Characteristicsmentioning

confidence: 95%

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Association of remaining tooth number with postoperative respiratory complications in heart valve surgery patients

Terano

Motoi

Nagata

et al. 2023

Int J Dental Hygiene

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ObjectivesThis study examined the association between the number of remaining teeth and the incidence of postoperative respiratory complications in patients undergoing heart valve surgery.MethodsWe retrospectively enrolled 157 patients who underwent heart valve surgery between April 2010 and March 2019. Data on patient characteristics including systemic and oral conditions were extracted and postoperative respiratory complications were set as outcomes. Patients were divided into two groups according to the number of remaining teeth (≥20, <20). After adjusting for confounding factors with propensity scoring, logistic regression analysis was performed to examine the association of remaining teeth number with the incidence of postoperative respiratory complications. In addition, subgroup analysis was performed by stratifying the data into quintiles based on the propensity score.ResultsUnivariate analysis showed significant differences between the two groups in factors, including age, past cardiac surgery experience, New York Heart Association functional classification class IV, denture use, tooth extraction before surgery, occlusal support, and periodontitis. Logistic regression analysis showed that patients with <20 remaining teeth had a significantly higher incidence of postoperative respiratory complications than those with ≥20 remaining teeth, with an odds ratio of 29.800 (p = 0.004). Subgroup analysis showed that the odds ratio for the patients with <20 remaining teeth was 9.000 (p = 0.038).ConclusionsThe results suggest that heart valve surgery patients shall get attention on oral disease prevention by dental care practitioners to maintain a sufficient number of teeth for the prevention of postoperative respiratory complications.

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Section: Discussionmentioning

confidence: 99%

Section: Ta B L E 1 Patient Demographics and Clinical Characteristicsmentioning

confidence: 95%

Association of remaining tooth number with postoperative respiratory complications in heart valve surgery patients

Terano

Motoi

Nagata

et al. 2023

Int J Dental Hygiene

View full text Add to dashboard Cite

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Association between Number of Teeth and Eating out of Home: A 2019 Statistical Survey of the Japanese Representative Population

Kinugawa,

Yamamoto,

Kusama

et al. 2024

Nutrients

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Eating out of home (EOH), with its diverse food options, can benefit those with difficulty preparing their meals, especially older adults. Oral health status may be a determinant of EOH, as food accessibility is influenced by oral health, but this association remains unclear. This cross-sectional study used merged data from two national statistical surveys conducted in 2019. Participants were individuals aged ≥ 65 years who responded to both surveys. The frequency of EOH (<once/week or ≥once/week) was the dependent variable. The number of teeth was used as the independent variable (≥20, 10–19, 1–9, and 0). Prevalence ratios (PRs) and 95% confidence intervals (CIs) were calculated using multivariate Poisson regression analysis to identify the association between EOH and the number of teeth, adjusting for possible confounders. We analyzed 2164 participants (mean age = 74.0, women 52.4%). Of these, 456 (21.1%) participants were EOH ≥ once/week; 1142 (52.8%) participants had ≥20 teeth. Compared to those with ≥20 teeth, those with <20 teeth had a lower prevalence of EOH ≥ once/week (10–19: PR = 0.89, 95% CI = 0.72–1.09, 1–9: PR = 0.67, 95% CI = 0.51–0.89, and 0: PR = 0.53, 95% CI = 0.36–0.77, respectively). We observed an association between fewer teeth and a lower frequency of EOH.

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Association of the number of teeth and self-rated mastication with self-rated health in community-dwelling Japanese aged 40 years and older: the Yamagata cohort study

Cited by 2 publications

References 43 publications

Association of remaining tooth number with postoperative respiratory complications in heart valve surgery patients

Association of remaining tooth number with postoperative respiratory complications in heart valve surgery patients

Association between Number of Teeth and Eating out of Home: A 2019 Statistical Survey of the Japanese Representative Population

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