Table 3.

Shows the observations about the SEM photomicrogaphs of the three different groups of specimens of two different manufacturers

SEM (Qualitative test for surface roughness)
	Vita			Ivoclar
S. no.	Auto glazed (Control group)	Study groups		Auto glazed (Control group)	Study groups
		Re-glazed	Chair side polished		Re-glazed	Chair side polished
1	1	2	2	1	2	2
2	1	3	2	1	2	2
3	1	2	2	1	2	2
4	1	2	2	1	3	2
5	1	2	2	1	2	2
6	1	2	2	1	2	2
7	1	2	2	1	3	2
8	1	2	2	1	2	2
9	1	2	2	1	2	2
10	1	3	2	1	2	2