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Table 5.1 continued<br />

Author<br />

Year,<br />

reference<br />

Country<br />

Sample, n<br />

Age (yrs)<br />

at start<br />

Teeth<br />

tested<br />

Caries prevalence<br />

at start<br />

(dft/dfs)<br />

Obs<br />

time<br />

(yrs)<br />

Dropout<br />

(%)<br />

Explained<br />

Diagnostic<br />

criteria<br />

Examiner<br />

(n)<br />

Reliability<br />

Grindefjord<br />

et al<br />

1996 [16]<br />

Sweden<br />

8 southern<br />

suburbs of<br />

Stockholm.<br />

56% with<br />

immigrant<br />

background<br />

n: 692<br />

Age: 1 and 2.5<br />

Primary<br />

Age 1:<br />

Caries-free<br />

Age 2.5: 7%<br />

dentine and<br />

11% initial<br />

caries<br />

Stepwise<br />

prediction<br />

1–2.5;<br />

2.5–3.5<br />

1.5<br />

and<br />

1.5<br />

and<br />

1<br />

37<br />

Explained<br />

Koch<br />

1967<br />

modified<br />

2 examiners<br />

Yes<br />

Pienihäkkinen<br />

et al<br />

2002 [17]<br />

Finland<br />

All 2-year-olds<br />

in a municipality<br />

in Finland<br />

born in 1987–<br />

1988. Control<br />

group from<br />

prevention<br />

programme<br />

n: 226<br />

Age: 2<br />

Primary<br />

3% had<br />

dmfs >0<br />

Increment:<br />

20% developed<br />

≥1 new<br />

dmfs<br />

3 19 dmfs,<br />

own<br />

criteria<br />

d1: Early<br />

enamel<br />

d2: Early<br />

dentine<br />

(no<br />

cavity)<br />

d3:<br />

Cavity<br />

5 examiners<br />

Yes<br />

No BW<br />

(fibre<br />

optics)<br />

224<br />

Karies – diagnostik, riskbedömning och icke-invasiv behandling

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