Approximal Caries Detection by DIFOTI: In Vitro Comparison of Diagnostic Accuracy/Efficacy with Film and Digital Radiography

Table 1

Reproducibility of the three diagnostic methods, in form of intra-examiner agreement presented as mean 𝜅_𝑤, and inter-examiner agreement presented as range of mean 𝜅_𝑤 based on results from the eight observers.

Method	Intra-observer agreement	Inter-observer agreement
DIFOTI	0.82	0.62–0.76
Film radiography	0.82	0.63–0.78
Digital radiography	0.79	0.67–0.78