20 November 2023>: Laboratory Research
Evaluation of the Effects of Digital Manufacturing, Preparation Taper, Cement Type, and Aging on the Color Stability of Anterior Provisional Crowns Using Colorimetry
Mohammed E. Sayed 1ABDEG* , Honey Lunkad 1ABCEF , Khurshid Mattoo 1ACDEF , Hossam F. Jokhadar 2ACEFG , Saad Saleh AlResayes 3ACEFG , Nasser M. Alqahtani 4ACEFG , Abdullah Hasan Alshehri 4ACEFG , Mohammad Alamri 5ACEFG , Sultan Altowairqi 6BCEF , Muhannad Muaddi 6BCEF , Halah Mohammed Huthan 6BCEF , Safeyah Abdulrahman Baeshen 6BCEF , Khalid Motlaq 7ACEFG , Amal M. Masmali 8ACEFGDOI: 10.12659/MSMBR.941919
Med Sci Monit Basic Res 2023; 29:e941919
Table 4 Descriptive analysis of the color change ΔE00(II) after cementation and after thermocycling reported with 95% confidence interval, mean±SD, and median (minimum, maximum).
Group | n | Mean | SD | Std error | 95% CI | Median | ||
---|---|---|---|---|---|---|---|---|
Lower bound | Upper bound | Minimum | Maximum | |||||
1MR | 10 | # | 0.68 | 0.21 | 3.19 | 4.15 | 2.57 | 4.60 |
1MC | 10 | 0.37 | 0.12 | 1.57 | 2.09 | 1.33 | 2.48 | |
2MR | 10 | # | 0.79 | 0.25 | 2.40 | 3.54 | 1.62 | 4.40 |
2MC | 10 | 0.60 | 0.19 | 1.19 | 2.05 | 0.68 | 2.54 | |
1PR | 10 | 0.70 | 0.22 | 1.95 | 2.95 | 1.16 | 3.40 | |
1PC | 10 | 0.50 | 0.16 | 0.95 | 1.66 | 0.40 | 1.98 | |
2PR | 10 | 0.62 | 0.20 | 1.67 | 2.56 | 1.21 | 3.42 | |
2PC | 10 | 0.32 | 0.10 | 1.28 | 1.74 | 0.93 | 1.87 | |
n – number; SD – standard deviation; CI – confidence interval; 1MR – 10° milled regular; 1MC – 10° milled clear; 2MR – 20° milled regular; 2MC – 20° milled clear; 1PR – 10° 3D-printed regular; 1PC – 10° 3D-printed clear; 2PR – 20° 3D printed regular; 2PC – 20° 3D-printed clear. Statistical interpretation: test employed=CIEDE2000. Level of significance * clinically perceptible when the mean color difference is ≥0.62; # clinically unacceptable when the mean color difference is ≥2.62. |