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30 June 2023: Lab/In Vitro Research

Comparison of Composite Resin (Duo-Shade) Shade Guide with Vita Ceramic Shades Before and After Chemical and Autoclave Sterilization

Shekhar Gupta 1ABCE* , Mohammed E. Sayed 1ABEFG* , Bharti Gupta 2CDEF , Aditya Patel 3ACDE , Khurshid Mattoo 1ACDE , Noura Turki Alotaibi 4ACDE , Salha I. Alnemi 5CDEF , Hossam F. Jokhadar 6CDEF , Boshra Mohammed Mashhor 7CDEG , Maha Abdu Othman 8CDEF , Maryam H. Mugri 2ACDE , Amit Porwal 1BCEF , Shankargouda Patil 9CDEF

DOI: 10.12659/MSM.940949

Med Sci Monit 2023; 29:e940949

Table 2 Mean and standard deviation for CIE color coordinates for L*, a* and b* values and their relative degree of color differences (ΔE) between stock Composite shade guide and Vita Classical shade guide tabs.

Shade guideShade tabs(CIE) L*(CIE) a*(CIE) b*Differences in mean ΔE
Brilliant NG Universal Duo-shadeShade A1B174.10±1.39−1.20±0.1919.87±1.52VA1=4.96 (0.6) ***VB1 = 4.06 (0.8) ***
Shade A2B270.08±2.061.10±0.3524.38±1.81VA2=4.13 (0.3) ***VB2 = 5.23 (0.2) ***
Shade A3D370.10±1.43−0.25±0.0928.02±1.29VA3=5.82 (0.3) ***VB3 =3.86 (0.7) ***
Shade A3.5B367.10±1.381.49±0.7835.10±2.41VA3.5=4.23 (1.2) ***VB3 = 5.32 (0.4) ***
Shade C2C370.10±2.591.52±0.616.45±1.66VC2=0.47 (0.1) (NS)VC3 = 1.71 (0.6) **
Shade A4 C464.91±1.711.68±1.1518.08±1.55VA4=1.6 (0.2) **VC4 = 0.36 (0.3) (NS)
Vita classicalShade VA179.53±2.29−1.71±0.7815.59±1.39
Shade VA275.14±1.72−0.30±0.2317.49±1.25
Shade VA375.16±1.77−1.86±0.4618.72±0.77
Shade VA3.571.32±2.461.33±0.2020.20±1.45
Shade VA467.09±1.621.78±0.6221.39±2.41
Shade VB179.42±1.291.66±0.2713.25±1.78
Shade VB275.86±1.46−1.82±0.5916.73±1.37
Shade VB373.89±1.40.87±0.3023.24±1.74
Shade VC270.67±1.57−0.67±0.2715.27±1.65
Shade VC367.64±1.45−0.23±0.0816.28±2.26
Shade VC464.06±1.291.12±0.1117.56±1.14
Shade VD372.44±1.100.75±0.2015.91±1.51

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750