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).
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 . |