Comparison of diagnostic methods for early interproximal caries detection with near-infrared light transillumination: an in vivo study

Table 2 Inter-observer kappa coefficients among the observers for the first and second readings

	First Reading Observer1-Observer 2		Second Reading Observer1-Observer2
	Kappa	Standard Error	Kappa	Standard Error
PSP-Bitewing	0.618	0.018	0.673	0.017
NILT	0.788	0.042	0.746	0.038

ISSN: 1472-6831