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. 2021 Mar 8;18(5):2722. doi: 10.3390/ijerph18052722

Table 4.

Comparison of ShadeEye color matching overall and among different thirds of PFM crowns fabricated by different laboratories.

ShadeEye Shade Matching, Cervical Third
Accuracy of Shade, Criteria-Based Evaluation. Government LABs
(N and Row %)
Commercial LABs
(N and Row %)
Total
(N and Column %)
p Value
Matching 8 (40) 12 (60) 20(62.5) 0.27
Non-Matching 8 (66.6) 4 (33.3) 12 (37.5)
ShadeEye Shade Matching, Middle Third
Matching 14 (51.8) 13 (48.1) 27 (84.4) 1.0
Non-Matching 2 (40) 3 (60) 5 (15.6)
ShadeEye Shade Matching, Incisal Third
Matching 2 (16.6) 10 (83.3) 12 (37.5) 0.004
Non-Matching 14 (70) 6 (30) 20 (62.5)
Overall ShadeEye Shade Matching (All Thirds)
Complete Matching 0 (0) 8 (100) 8 (25) 0.001
2/3rd matching 10 (83.4) 2 (16.6) 12 (37.5)
1/3rd matching 4 (40) 6 (60) 10 (31.3)
None matching 2 (100) 0 (0) 2 (6.2)