Table 3: Distribution of number of teeth present in different age groups (% of individuals and 95% confidence interval).

Number of teeth 
present in mouth
Age groups (years)
35–4465–74
AllFemale MaleAllFemaleMale
% (95% CI)% (95% CI)% (95% CI)% (95% CI)% (95% CI) % (95% CI)

21 or more teeth85.66
(83.57–87.74)
85.59
(82.77–88.41)
85.74
(82.64–88.84)
23.87
(19.98–27.75)
21.8
(17.07–26.67)
27.12
(20.53–33.7)
Less than 21 teeth9.83
(8.06–11.61)
9.54
(7.18–11.9)
10.18
(7.5–12.86)
21.08
(17.35–24.79)
23.26 (18.36–28.16)17.51
(11.88–23.14)
Less than 15 teeth4.23
(3.03–5.42)
4.52
(2.85–6.19)
3.86
(2.16–5.58)
43.66
(39.13–48.18)
40.97
(35.27–46.68)
48.02
(40.62–55.42)
Edentulous0.28
(−0.03–0.58)
0.33
(−0.13–0.8)
0.2
(0.19–0.6)
11.4
(8.49–14.29)
13.89
(9.88–17.9)
7.34
(3.48–11.21)