Research Article

A Comparative Evaluation of the Radiopacity of Contemporary Restorative CAD/CAM Blocks Using Digital Radiography Based on the Impact of Material Composition

Table 2

MGVs in pixels (mean ± standard deviation) and statistical differences between different CAD/CAM restorative materials (for each group n = 10).

GroupsMean ± SDMinimumMaximumEnamel (mean = 93.60)Dentin (mean = 58.10)AL1 (mean = 57.10)AL2 (mean = 74.00)AL3 (mean = 97.70)AL4 (mean = 132.3)AL5 (mean = 152.0)AL14 (mean = 234.9)AL15 (mean = 240.4)AL16 (mean = 249.6)

Prettau238.5 ± 13.61b213254SSSSSSSNSNSNS
Vita Suprinity138.3 ± 11.27d117155SSSSSNSSSSS
Vita Enamic63 ± 10.73e4678SNSNSSSSSSSS
Shofu45.50 ± 11.40a3469SSNSSSSSSSS
Pekkton35.50 ± 4.428a2943SSSSSSSSSS
BioHPP21.20 ± 4.940c1429SSSSSSSSSS

The MGVs of all the materials tested, enamel, dentin, and Al step-wedge were compared by a paired sample t-test. Different letters among tested groups indicate significant differences (p < 0.05). NS, nonsignificant ; S, significant .