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Drop-out<br />

Intervention<br />

(I)<br />

Control (C)<br />

Observation<br />

time<br />

Endpoints<br />

Results<br />

Study<br />

quality and<br />

relevance<br />

Comments<br />

17 (6%) I1: 0.2% NaF<br />

10 ml rinsing<br />

2 min 1 x/week<br />

I2: 0.025% NaF<br />

10 ml rinsing<br />

2 min 1 x/week<br />

2 years Progression<br />

or no<br />

progression<br />

of<br />

enamel<br />

caries<br />

on BW<br />

No progression<br />

in enamel<br />

I1: 67 surfaces<br />

I2: 66 surfaces<br />

(NS).<br />

Significant<br />

effect in girls<br />

Low<br />

Aim of study<br />

was not to<br />

assess progression.<br />

No<br />

statistics on<br />

progression.<br />

Small sample<br />

18 (8%) I: 1% CHX gel<br />

applied by flossing<br />

4 x/year<br />

C1: Placebo gel<br />

applied by flossing<br />

4 x/year<br />

C2: No gel<br />

treatment<br />

All groups F-<br />

tablet 0.25 mg<br />

1 x 1<br />

3 years Progression<br />

of<br />

approximal<br />

caries<br />

on BW<br />

after 2<br />

years<br />

I (n=9): 11/28<br />

lesions no<br />

progression<br />

C1 (n=18):<br />

13/66 lesions<br />

no progression<br />

p

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