Table 4.

Roughness values measured with AFM for the samples after 60 days.

Sample	Scanned Zone					Average Value	p
	1	2	3	4	5
	Ra, nm
Blugloo	6.04	9.59	9.65	12.7	8.08	9.21	0.018 *
Light Bond	10.1	16.0	17.9	14.2	15.7	14.78	0.048 *
Opal Seal	9.07	10.6	12.9	9.51	10.6	10.53	1.563
C1	45.4	64.9	40.4	35.1	31.2	43.4	0.036 *
	Rq, nm
Blugloo	7.38	11.8	12.6	15.8	10.3	11.57	0.008 *
Light Bond	12.5	19.6	21.5	18.1	19.7	18.28	0.040 *
Opal Seal	11.7	13.4	16.2	12.6	13.4	13.46	0.065
C1	58.5	82.1	50.4	43.2	38.7	54.58	0.001 *

* statistically significant for Wilcoxon test.