Table 1

Distribution of children into four subgroups according to the stage of their dentition and the clinical findings.

Dentition

Nr of children

Age in years

range, mean (s.d.)

Nr of caries-free children

Nr of children with caries

dmfs*

mean (s.d.)

DMFS*

mean (s.d.)

Plaque Index**

Mean (s.d.)


Deciduous

13

3-6, 4.4 (0.8)

6

5

3.8 (4.9)

0

1.0 (0.5)


Early Mixed

29

5-11, 7.8 (1.6)

10

9

7.9 (10.8)

1.1 (2.7)

0.9 (0.5)


Late Mixed

21

8-12, 10.1 (1.2)

8

6

6.1 (13.0)

1.6 (3.1)

0.9 (0.4)


Permanent

11

11-18, 13.9 (2.4)

3

2

0

2.6 (2.9)

0.7 (0.3)


* - DMFS/dmfs - number of decayed, missing and filled surfaces in deciduous (dmfs) or permanent (DMFS) dentition.

** - Plaque Index - mean plaque score, which is a measure of plaque amount.

Crielaard et al. BMC Medical Genomics 2011 4:22   doi:10.1186/1755-8794-4-22

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