Table 1

Number of DMF teeth, I+DMF surfaces, and sealants at the age of 12 years. Analysis of variance: DMF: Group effect, p < 0.001, Risk category effect, p < 0.001;I+DMFS: Group effect, not significant, Risk category effect, p < 0.001; Sealants: Group effect, p < 0.001, Risk category effect, p = 0.05
Prevention group
DMF
 I+DMFS
 Sealants
Risk category at 2 yrs
 n
 Mean
 S.D.
 Mean
 S.D.
 Mean
 S.D.
Risk-based N = 245
0.2
 0.6
 2.8
 4.4
 2.6
 2.5
     Low-risk
 166
 0.2
 0.6
 2.4
 3.8
 2.4
 2.5
     Intermediate
 52
 0.2
 0.7
 3.1
 4.7
 2.8
 2.2
     High-risk
 27
 0.4
 0.8
 4.7
 6.4
 3.4
 2.9
Routine N = 202
0.4
 0.9
 2.9
 4.0
 1.6
 1.8
     Low-risk
 134
 0.3
 0.7
 2.3
 3.8
 1.5
 1.6
     Intermediate
 50
 0.6
 0.9
 4.1
 3.8
 1.5
 1.8
     High-risk
 18
 0.9
 1.4
 4.6
 4.7
 2.2
 2.9

Pienihäkkinen et al. BMC Oral Health 2005 5:2   doi:10.1186/1472-6831-5-2