Table 2.

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

Material	Sample	Contact angle Θ  [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