Table 5 Indicators of dental caries by dental care type: mean, standard deviation (SD) and 95% confidence intervals at 12-year-old group

Caries-free teeth^a

Mean ± SD

25.82 ± 0.14

25.33 ± 0.11

95% CI

[25.55–26.08]

[25.11–25.54]

Decayed teeth^a

Mean ± SD

0.28 ± 0.04

0.20 ± 0.04

95% CI

[0.20–0.37]

[0.13–0.27]

Missing teeth^a

Mean ± SD

0.03 ± 0.01

0.06 ± 0.02

95% CI

[0.01–0.05]

[0.03–0.09]

Filled teeth^a

Mean ± SD

0.48 ± 0.06

0.75 ± 0.06

95% CI

[0.37–0.58]

[0.64–0.86]

Caries-free temporary teeth

Mean ± SD

1.20 ± 0.14

0.99 ± 0.09

95% CI

[0.92–1.47]

[0.82–1.16]

Decayed temporary teeth

Mean ± SD

0.16 ± 0.03

0.08 ± 0.02

95% CI

[0.10–0.23]

[0.05–0.11]

Filled temporary teeth

Mean ± SD

0.05 ± 0.02

0.07 ± 0.02

95% CI

[0.02–0.09]

[0.04–0.10]

Caries-free permanent teeth

Mean ± SD

24.62 ± 0.23

24.34 ± 0.16

95% CI

[24.17–25.06]

[24.04–24.64]

Decayed permanent teeth

Mean ± SD

0.12 ± 0.03

0.12 ± 0.03

95% CI

[0.06–0.17]

[0.06–0.19]

Missing permanent teeth

Mean ± SD

0.01 ± 0.01

0.01 ± 0.01

95% CI

[0–0.02]

[0–0.01]

Filled permanent teeth

Mean ± SD

0.42 ± 0.05

0.68 ± 0.05

95% CI

[0.32–0.52]

[0.58–0.79]

DMFT/dmft^b

Mean ± SD

0.77 ± 0.08

0.96 ± 0.07

95% CI

[0.62–0.92]

[0.83–1.10]

DMFT^c

Mean ± SD

0.55 ± 0.06

0.81 ± 0.07

95% CI

[0.43–0.67]

[0.68–0.94]