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Table 5.4 continued<br />

Author<br />

Year,<br />

reference<br />

Country<br />

Sample, n<br />

Age (years)<br />

at start<br />

Teeth<br />

tested,<br />

Caries<br />

prevalence<br />

at<br />

start<br />

Obs<br />

time<br />

(yrs)<br />

Drop-out<br />

Explained<br />

Diagnostic<br />

criteria<br />

Examiner<br />

(n)<br />

Reliability<br />

Hänsel<br />

Petersson<br />

et al<br />

2002 [39]<br />

Sweden<br />

50% of target<br />

population in<br />

a small city,<br />

Halland and<br />

surrounding<br />

rural areas<br />

n: 392<br />

Age: 10–11<br />

Permanent,<br />

all surfaces<br />

Mean<br />

DMFT: 0.9<br />

Increment:<br />

New DMFS<br />

groups<br />

(border):<br />

20: 2.6<br />

40: 2.6<br />

60: 1.5<br />

80: 0.5<br />

100: 0.3<br />

2 11 (17<br />

% of intention-totreat)<br />

Not<br />

stated<br />

BW<br />

Defined:<br />

Only<br />

dentine<br />

caries<br />

1 examiner<br />

Intra<br />

exam<br />

Lith et al<br />

1992 [74]<br />

Sweden<br />

Samples from<br />

2 communities:<br />

1.2 ppm fluor<br />

(1 group)<br />

2. random<br />

sample of half<br />

with 0.2 ppm<br />

(0 group)<br />

n: 102+127<br />

Age: 13<br />

Permanent<br />

Mean<br />

D enMFS:<br />

2.5<br />

Mean<br />

DMFS: 0.6<br />

Increment:<br />

53%<br />

developed<br />

≥1 new<br />

approximal<br />

dentine<br />

lesion<br />

5 Not<br />

stated<br />

Own<br />

criteria<br />

BW only<br />

2 examiners<br />

Yes<br />

258<br />

Karies – diagnostik, riskbedömning och icke-invasiv behandling

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