Skip to main content

View full-text article in PMC

. 2015 Jun 19;24(5):451–457. doi: 10.1159/000433435

Table 4.

The values of the enamel surface roughness parameters in relation to time of exposure to soft drinks

Roughness parameters	Exposure, min	Control	Coca-Cola	Orange juice	Cedevita	Guarana	Strawberry yoghurt
R^a		0.67 ± 0.02
	15		1.49 ± 0.08^a	1.27 ± 0.01^a	1.09 ± 0.03^a	1.07 ± 0.02^a	0.67 ± 0.17
	30		1.63 ± 0.05^a,^b	1.63 ± 0.02^a,^b	1.14 ± 0.03^a,^b	1.11 ± 0.02^a,^b	0.67 ± 0.02
	60		1.82 ± 0.01^a ^b ^c	1.78 ± 0.07^a ^b ^c	1.20 ± 0.04^a ^b ^c	1.20 ± 0.04^a ^b ^c	0.68 ± 0.05

R_q		0.79 ± 0.05
	15		2.60 ± 0.08^a	1.67 ± 0.07^a	1.38 ± 0.06^a	1.22 ± 0.14^a	0.80 ± 0.03
	30		2.11 ± 0.02^a ^b	2.10 ± 0.03^a,^b	1.43 ± 0.07^a	1.42 ± 0.06^a,^b	0.79 ± 0.05
	60		2.57 ± 0.02^a,^b	2.49 ± 0.18^a ^b ^c	1.48 ± 0.07^a ^b	1.43 ± 0.11^a ^b	0.85 ± 0.08

R_z		1.68 ± 0.02
	15		10.55 ± 1.57^a	6.16 ± 0.43^a	4.49 ± 0.40^a	4.46 ± 0.46^a	1.67 ± 0.07
	30		5.62 ± 0.01^a,^b	5.37 ± 0.15^a ^b	4.69 ± 0.46^a	4.59 ± 0.51^a	1.68 ± 0.08
	60		7.80 ± 0.29^a ^b ^c	7.68 ± 0.30^a ^b ^c	4.73 ± 0.43^a	4.88 ± 0.26^a	1.74 ± 0.13^b

R_y		4.65 ± 1.38
	15		19.11 ± 0.95^a	10.67 ± 0.82^a	6.92 ± 0.58^a	6.39 ± 0.93^a	4.69 ± 0.46
	30		9.27 ± 0.22^a,^b	9.09 ± 0.22^a ^b	6.48 ± 0.66^a	6.12 ± 0.58^a	4.73 ± 0.43
	60		13.96 ± 0.57^a ^b ^c	12.86 ± 1.66^a ^b ^c	7.05 ± 1.28^a	6.22 ± 0.63^a	4.81 ± 1.00

^a

p < 0.05 vs. control; ^b

^a

p < 0.05 vs. 15 min;

^c

p < 0.05 vs. 30 min.