Table 1.

Intra-observer agreement calculated for each observer by image type according to defect status

	Defect present status			No defect status
	First observer	Second observer	Third observer	First observer	Second observer	Third observer
Field of view	Weighted kappa; SE	Weighted kappa; SE	Weighted kappa; SE	Weighted kappa; SE	Weighted kappa; SE	Weighted kappa; SE
CBCT (FOV40)	0.941; 0.097	0.903; 0.092	0.988; 0.089	0.911; 0.090	0.878; 0.075	0.881; 0.078
CBCT (FOV60)	0.904; 0.090	0.879; 0.093	0.982; 0.088	0.983; 0.098	0.841; 0.080	0.908; 0.091
CBCT (FOV100)	0.910; 0.095	0.938; 0.090	0.963; 0.090	0.921; 0.089	0.749; 0.065	0.913; 0.092

CBCT, cone beam CT; FOV₄₀, 40 × 40 mm field of view; FOV₆₀, 60 × 60 mm field of view; FOV₁₀₀, 100 × 100 mm field of view; SE, standard error.