Table 5.

Surface roughness values of IPS e.max Ceram before and after immersion in Coca-Cola (in µm)

Sample no.	Roughness before immersion (µm)	Roughness after immersion (µm)
1	0.61	0.91
2	0.87	1.36
3	0.73	1.21
4	0.51	0.98
5	0.47	0.91
6	0.90	1.43
7	1.21	1.72
8	0.96	1.31
9	0.75	1.07
10	1.03	1.81
11	0.81	1.51
12	0.61	1.21
13	0.69	1.25
14	0.82	1.41
15	0.97	1.75
16	1.19	1.91