Effect of surface finishing on the colour stability and translucency of dental ceramics

BMC Oral Health

Table 3 Mean and SD of ΔE values and differences between groups

		Distilled water	Cola	Tea	Coffee
HC	polishing	0.04±0.005 A,x,p	1.82±0.31 B,x,p	2.59±0.35 C,x,p	3.17±0.32 D,x,p
	(n=10)	0.04±0.005 A,x,p	1.82±0.31 B,x,p	2.59±0.35 C,x,p	3.17±0.32 D,x,p
	sof-lex	0.04±0.005 A,x,p	2.48±0.45 B,x,q	2.80±0.35 B,x,p	3.49±0.59 C,x,p
	(n=10)	0.04±0.005 A,x,p	2.48±0.45 B,x,q	2.80±0.35 B,x,p	3.49±0.59 C,x,p
	shofu	0.045±0.003 A,x,p	2.52±0.17 B,x,q	2.90±0.47 B,x,p	3.56±0.36 C,x,p
	(n=10)	0.045±0.003 A,x,p	2.52±0.17 B,x,q	2.90±0.47 B,x,p	3.56±0.36 C,x,p
RNC	polishing	0.045±0.005 A,x,p	1.89±0.24 B,x,q	2.69±0.59 C,x,q	3.35±0.40 C,x,p
	(n=10)	0.045±0.005 A,x,p	1.89±0.24 B,x,q	2.69±0.59 C,x,q	3.35±0.40 C,x,p
	sof-lex	0.05±0.009 A,y,p	2.75±0.28 B,x,p	3.43±0.27 C,y,p	3.84±0.85 C,x,pq
	(n=10)	0.05±0.009 A,y,p	2.75±0.28 B,x,p	3.43±0.27 C,y,p	3.84±0.85 C,x,pq
	shofu	0.049±0.012 A,x,p	2.81±0.35 B,y,p	3.55±0.36 C,y,p	3.87±0.46 C,x,q
	(n=10)	0.049±0.012 A,x,p	2.81±0.35 B,y,p	3.55±0.36 C,y,p	3.87±0.46 C,x,q

*Different laters indicate statistically significant difference between groups (p<0.05)
^aA,B,C,D intra-group comparisons
^bx,y between-group comparisons column
^cp,q column-group comparisons

ISSN: 1472-6831