In Vitro Evaluation of Proximal Carious Lesions Using Digital Radiographic Systems

Table 3

Sensitivity and specificity of digital radiographic systems in detection of demineralized areas.

System	Demineralized area		Total	Sensitivity	Specificity
	Present	Absent
Schick
Positive	23 (54.7%)	19 (45.2%)	42 (100%)	0.64	0.47
Negative	13 (43.3%)	17 (56.6%)	30 (100%)
Sirona
Positive	20 (52.6%)	18 (47.3%)	38 (100%)	0.56	0.50
Negative	16 (48.0%)	18 (52.9%)	34 (100%)
Kodak
Positive	13 (46.4%)	15 (53.5%)	28 (100%)	0.48	0.58
Negative	23 (52.2%)	21 (47.7%)	44 (100%)