Color Stability of a New Rice Husk Composite in Comparison with Conventional Composites after Exposure to Commonly Consumed Beverages in Malaysia

Table 3

Color changes of composites at the end of four weeks.

Composite	CHO	COF	CHI	MT	Control
GUF (A)	1.45 (0.76)^a,b	4.44 (0.61)^a	4.85 (0.34)^a	1.66 (0.17)^a	0.55 (0.33)^a
SX (C)	2.83 (1.88)^b	7.70 (1.16)^b	22.89 (0.91)^c	15.73 (3.58)^c	1.06 (0.53)^a
CXO (A)	0.80 (0.44)^a	4.65 (0.73)^a	3.29 (1.12)^a	1.21 (0.19)^a	0.56 (0.48)^a
NFL (C)	3.78 (0.34)^c	14.38 (0.72)^c	20.43 (1.61)^c	4.80 (0.47)^b	0.50 (0.14)^a
CX (B)	3.46 (1.08)^c	12.96 (2.04)^c	13.11 (3.19)^b	2.91 (0.40)^a,b	0.90 (1.26)^a

^a–cMean values followed by different superscript letters and composites followed by different uppercase letters in the same column are statistically different according to Tukey’s post hoc test ().