Table 3.

Surface roughness values of Noritake before and after immersion in simulated vomit solution (in µm)

Sample no.	Roughness before immersion (µm)	Roughness after immersion (µm)
1	0.47	1.31
2	0.86	1.91
3	0.52	1.06
4	0.72	1.66
5	0.61	1.12
6	0.41	0.98
7	0.59	1.22
8	1.09	1.97
9	0.87	1.76
10	0.96	1.72
11	0.62	1.33
12	0.73	1.58
13	0.57	1.23
14	0.90	1.83
15	0.69	1.79
16	0.89	1.87