The Effect of Desensitizing Toothpastes and Coffee Staining on the Optical Properties of Natural Teeth and Microhybrid Resin Composites: An In-Vitro Study

Table 3

Color differences of natural teeth after brushing and staining with coffee.

	Group SF	Group SA	Group PcH	Group CPC	Group A	Group N	Group C
	1.1 ± 0.3^c	0.8 ± 0.1^cb	0.6 ± 0.1^b	0.8 ± 0.1^cb	0.8 ± 0.3^cb	0.6 ± 0.1^b	0.3 ± 0.2^a
	2.6 ± 0.4^ex	2.1 ± 0.2^fx	1.7 ± 0.3^dx	2.5 ± 0.3^ex	1.6 ± 0.3^dx	1.0± 0.2^c	1.1 ± 0.3^cx
	1.2 ± 0.3^c	0.8 ± 0.1^b	0.7 ± 0.1^b	0.8 ± 0.3^b	1.0 ± 0.1^bc	0.9 ± 0.3^bc	0.4 ± 0.1^a
	2.9 ± 0.3^dx	2.3 ± 0.1^cx	1.7 ± 0.3^bx	2.7 ± 0.2^dx	2.1 ± 0.1^cx	1.2 ± 0.2^ax	1.0 ± 0.1^ax
	0.2 ± 0.1^a	0.3 ± 0.2^a	0.1 ± 0.1^a	0.2 ± 0.2^a	0 ± 0.1^a	0 ± 0.1^a	0.1 ± 0.2^a
	0.5 ± 0.3^abx	0.4 ± 0.1^ax	0.3 ± 0.1^a	0.6 ± 0.1^bx	0.6 ± 0.2^bx	0.1 ± 0.1^ax	0.3 ± 0.1^ax
	1.1 ± 0.4^b	0.8 ± 0.2^b	0.5 ± 0.1^a	1 ± 0.2^b	0.4 ± 0.2^a	0.3 ± 0.2^a	0.3 ± 0.2^a
	2.6 ± 0.3^cdx	2.0 ± 0.1^dx	1.8 ± 0.2^dx	2.5 ± 0.3^cx	1.4 ± 0.2^adx	0.8 ± 0.1^bx	1.2 ± 0.3^ax

Note. x=significant differences between the - , - , - , and - values (p<0.05); same superscript letters in the same row indicate no significant differences between the groups (p>0.05).