Table 2

Caries experience at baseline and caries increment during the follow-up by baseline risk

Low-risk at baselineMedium-risk at baselineHigh-risk at baseline
Mean (95% CI)Mean (95% CI)Mean (95% CI)
Baseline caries experience
 Baseline dmfs0.20 (0.19 to 0.22)1.36 (1.33 to 1.39)7.52 (7.40 to 7.65)
 Baseline DMFS0.29 (0.27 to 0.31)0.57 (0.56 to 0.59)1.30 (1.25 to 1.34)
 Baseline DMFS+dmfs0.49 (0.47 to 0.52)1.93 (1.90 to 1.96)8.82 (8.70 to 8.95)
Caries rate (incidence density*)
 Deciduous dentition0.32 (0.30 to 0.34)0.84 (0.82 to 0.85)2.83 (2.77 to 2.88)
 Permanent dentition0.17 (0.16 to 0.17)0.37 (0.36 to 0.37)0.99 (0.97 to 1.02)
 Combined0.20 (0.19 to 0.21)0.52 (0.51 to 0.53)1.74 (1.71 to 1.77)
  • Estimates were judged to be statistically significant if their 95% CIs did not overlap.

  • *Incidence density: newly affected surfaces per 100 surface-years at risk.

  • DMFS/dmfs, decayed, missing or filled tooth surfaces.