Table 6.

Surface roughness values of IPS e.max Ceram before and after immersion in chlorhexidine mouthwash solution (in µm)

Sample no.	Roughness before immersion (µm)	Roughness after immersion (µm)
1	0.96	0.99
2	0.83	0.84
3	0.57	0.67
4	0.51	0.52
5	0.82	0.84
6	1.13	1.21
7	0.41	0.46
8	0.59	0.63
9	0.99	1.06
10	0.73	0.79
11	0.81	0.88
12	0.47	0.56
13	1.32	1.44
14	0.89	0.91
15	0.97	1.05
16	0.68	0.75