Table 5.

Coordinates (L* a* B*) of Dentine Before Treatment of ALN-GQDs-Ag and Water and After 7-Day Biochemical Cycles

Group	Coordinates	Before	After	p value	ΔE
ALN-GQDs-Ag	L*	59.50 ± 2.40	58.22 ± 3.85	0.16	6.18 ± 3.45
	a*	19.66 ± 5.01	15.66 ± 0.91	0.006
	b*	33.26 ± 2.87	31.97 ± 3.57	0.16
Water	L*	54.22 ± 4.20	53.59 ± 3.42	0.10	5.24 ± 2.43
	a*	19.93 ± 3.38	17.09 ± 0.79	0.003
	b*	30.97 ± 1.78	29.46 ± 5.15	0.37