|
First author
year [ref] | Population | Sample size | Followup (years) | Age (years) | Stratification and adjustmenta | Dental exam
% edentulous mean/median no. of teeth | Hazard ratio
(95% confidence interval) |
|
Appollonio
1997 [1] |
Brescia, Italy |
1137 |
6.5 |
70–75 |
Sex, nutrition, smoking, functional status, and health service utilization, education, SES |
Yes |
Females only |
|
0.67 (0.39–1.15) for adequate dentition |
|
0.83 (0.54–1.27) for inadequate with dentures versus inadequate without dentures |
|
Shimazaki
2001 [2] | Kitakyushu City, Japan | 1762 | 6 | 59–107 |
Age, sex, physical mental-health status, cardiovascular disease, musculoskeletal disease, and institution, other chronic diseases |
Yes
52% |
1.8 (1.1–2.8) for 0 teeth without dentures |
|
1.3 (0.8–2.4) for 0 teeth with dentures |
|
1.5 (0.9–2.4) for 1–19 without dentures |
|
1.3 (0.8–2.0) for 1–19 teeth with dentures versus 20+ teeth |
|
Hämäläinen
2003 [3] | Jyväskylä, Finland | 226 | 10 | 80 | Sex, number of chronic diseases, self-rated health |
Yes
59%
Mean = 11.8 in dentate |
2.67 (1.15–6.22) for 1–19 teeth |
|
2.56 (1.12–5.85) for 0 teeth |
|
versus 20+ teeth (univariate analysis) |
|
1.03 (1.00–1.05) per missing tooth (adjusted) |
|
Cabrera
2005 [4] | Göteborg, Sweden | 1417 | 24 | 38, 46, 50, 54, 60 | Age, SES | Yes |
1.27 (1.09–1.47) for >10 missing teeth |
| Women only | Median = 20 | |
|
Nakanishi
2005 [5] | Settsu Japan | 1405 | 9 | 65+ |
Sex, age, overall disability, use of dental health checks, use of general health checks, daily health promotion practices, participation in social activities, life worth living, finding relationships with people difficult | No |
1.63 (1.30–2.03) for self-assessed masticatory disability versus no disability |
|
Abnet
2005 [6] |
Linxian, China |
29584 |
15 | 44–59 |
Sex, age, and smoking | Yes in those reporting missing teeth
median = 26 |
1.07 (1.01–1.14) in females |
|
1.09 (0.98–1.21) in male never-smokers |
|
1.24 (1.16–1.32) in male ever-smokers for loss of > age-specific median of number of teeth |
|
Hämäläinen
2005 [7] | Jyväskylä, Finland | 94 | 5 | 85 | Number of chronic diseases, urgent need of dental treatment, and sex, self-rated health, education, FEV, ESR, CPITN |
Yes
39% M, 60% F | 0.93 (0.87–0.99) for number of teeth | |
|
Yoshida
2005 [8] |
Kure City, Japan |
1030 |
8 |
Mean = 74 |
Sex, age |
Yes |
0.78 (0.60–0,99) for adequate occlusion |
|
1.08 (0.85–1.36) for insufficient occlusion versus no occlusion |
|
1.52 (1.24–1.83) for denture non-users versus denture uses among those with no occlusion with their own teeth |
|
Morita
2006 [9] | Tokoname, Japan | 118 | 6.5 | Mean = 82 | Matched on sex, age, health status, living environment; adjusted for smoking, alcohol | 21% M, 30% F |
2.71 (1.05–7.05) for < 20 versus ≥ 20 teeth in males; not significant in females |
|
Österberg
2007 [10] | Glostrup, Denmark
Jyväskylä, Finland
Göteborg, Sweden |
1044 |
7 |
75 |
Sex, location, smoking, BMI, self-assessed health, physical activity, circulation disease, ADL |
No
45%, 58%, 23%
in the 3 locations |
0.80 (0.72–0.89) among females |
|
0.92 (0.84–1.01) among males for number of teeth and adjusted only for location |
|
0.87 (0.78–0.97) for women fully adjusted; not significant in men |
|
Österberg
2008 [11] |
Göteborg, Sweden |
1803 |
7 |
70 |
Sex, ischemic heart disease, number of drugs, plasma glucose, blood hemoglobin, serum triglycerides, BMI, feeling not healthy and others |
Yes
16% to 38%
in 4 birth cohorts | Males | Females |
| 7-year mortality |
|
0.65 (0.46–0.91) |
0.71 (0.42–1.20) for 1–9 |
|
0.51 (0.36–0.74) | 0.65 (0.41–1.02) for 10–19 |
|
0.38 (0.24–0.60) | 0.36 (0.19–0.66) for 20–32 |
|
versus 0 teeth | |
| | | 18 | | Sex, ischemic heart disease, number of drugs, hypertension, plasma glucose, blood hemoglobin, smoking, social activity, and others | | 18-year mortality |
| | | | |
1.02 (0.82–1.27) |
0.81 (0.61–1.07) for 1–9 |
| | | | |
0.74 (0.58–0.94) | 0.94 (0.74–1.20) for 10–19 |
| | | | |
0.64 (0.48–0.84) | 0.70 (0.51–0.96) for 20–32 |
| | | | |
versus 0 teeth | |
|
| Paganini-Hill (current study) | Leisure World, California, USA | 5611 | 17 | 52–105 | Sex, age, smoking, alcohol, caffeine, exercise, BMI, 7 chronic diseases | No | See previous tables. |
| 11% |
| median = 24 |
|
