Table 3.

The sensitivity, specificity, and area under the receiver operating characteristic curve (AUC) for 5 types of restorative materials under different cone-beam computed tomography scan modes with and without the metal artifact reduction (MAR)

Setting type	Restorative materials	Sensitivity (%)	Specificity (%)	AUC	p-value
HIRes MAR	Conventional composite resin Filtek Z250	100.00	100.00	1.000	< 0.001
	Gradia composite resin	94.74	95.00	0.949	< 0.001
	Flow composite resin	93.75	93.75	0.938	< 0.001
	Glass ionomer	94.74	100.0	0.974	< 0.001
	Amalgam	31.25	82.35	0.568	< 0.001
Standard MAR	Conventional composite resin Filtek Z250	94.44	100.00	0.972	< 0.001
	Gradia composite resin	94.74	90.00	0.924	< 0.001
	Flow composite resin	81.25	93.75	0.875	< 0.001
	Glass ionomer	84.21	100.00	0.921	< 0.001
	Amalgam	12.50	88.24	0.504	0.950
HIRes	Conventional composite resin Filtek Z250	94.44	100.00	0.972	< 0.001
	Gradia composite resin	94.74	100.00	0.974	< 0.001
	Flow composite resin	93.75	93.75	0.938	< 0.001
	Glass ionomer	94.74	100.00	0.974	< 0.001
	Amalgam	18.75	100.00	0.594	0.063
Standard	Conventional composite resin Filtek Z250	83.33	83.33	0.833	< 0.001
	Gradia composite resin	89.47	100.00	0.947	< 0.001
	Flow composite resin	87.50	87.50	0.875	< 0.001
	Glass ionomer	94.74	100.00	0.974	< 0.001
	Amalgam	25.00	94.12	0.596	0.130

HIRes – high-resolution