Study of Surface Structure Changes for Selected Ceramics Used in the CAD/CAM System on the Degree of Microbial Colonization, In Vitro Tests

Table 2

The mean values of the contact angle Θ and standard deviation SD.

Material	Sample	Contact angle ^0	SD ^0
Vita Enamic	1	53.58	1.61
	2	43.94	1.23
IPS Empress	1	7.48	1.36
IPS Empress Multi	1	32.58	2.46
	2	35.94	1.99
IPS e-max after sintering	1	30.52	3.81
	2	45.02	2.44
IPS e-max before sintering	1	31.18	1.81
	2	47.56	2.11