Table 2 Different scores of each examination method and their corresponding scores in statistical analysis.

From: Reliability of impedance spectroscopy versus digital radiograph and ICDAS-II in occlusal caries detection: a prospective clinical trial

ICDAS-II scores

Digital radiography scores

ACIS scores

Corresponding scores

1

R1

ACIS1 (score 0–50)

Enamel (D1)

2

R2

3

R3

ACIS2 (score 51–100)

Dentin (D3)

4

R4

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