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Table 4.1.4 Visual inspection, list of included studies on permanent teeth.<br />

Studies with high or medium quality and relevance.<br />

Author<br />

Year,<br />

reference<br />

Country<br />

Type of<br />

study<br />

Blinding<br />

Number<br />

of<br />

observers<br />

Observer<br />

reliability<br />

Population<br />

Caries<br />

prevalence<br />

and<br />

type of<br />

lesions<br />

No of<br />

individuals<br />

Number<br />

of teeth<br />

Studies of extracted teeth<br />

Occlusal<br />

Deery<br />

et al<br />

1995 [20]<br />

United<br />

Kingdom<br />

Validity Yes 7 Kappa<br />

Inter:<br />

0.53<br />

Not<br />

reported<br />

3%<br />

sound<br />

43%<br />

enamel<br />

54%<br />

dentine<br />

112 teeth<br />

Ekstrand<br />

et al<br />

1997 [3]<br />

Denmark<br />

Validity,<br />

reliability<br />

Yes 3 Kappa<br />

Inter:<br />

0.62<br />

Intra:<br />

0.80<br />

Molars<br />

and premolars,<br />

50 from<br />

Denmark,<br />

50 from<br />

United<br />

Kingdom<br />

24% sound<br />

13%

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